#DFEEF0

sRGB: 223 / 238 / 240

Thunderous oceans reshape eternity
Immortal legends transcend the boundaries of time
Celestial symphonies vanish without farewell

#DFEEF0 belongs to the cyan family. Its hex code tells a screen to mix 223 red, 238 green and 240 blue on a scale of 0 to 255. On the HSL wheel, hue is a position around a circle: 187.1° lands in the cyan region. Its 36.2% saturation makes it partway between gray and the most vivid version of this hue at this lightness. HSL lightness is 90.8% on a scale from black (0%) to white (100%). Of black and white lettering, black has the clearer light-to-dark separation on this background (17.63:1), which helps the shapes of letters stand out.

Color conversions

sRGB (8-bit): 223, 238, 240
HSL: 187.06°, 36.17%, 90.78%
HSV / HSB: 187.06°, 7.08%, 94.12%
CMYK (approx.): 7.08%, 0.83%, 0.00%, 5.88%
CIE XYZ (D65, Y = 100 for white): 76.730, 83.128, 94.444
CIELAB (D65, 2° observer): 93.070, -4.564, -2.671
WCAG relative luminance: 0.83128
24-bit decimal: 14675696

CMYK uses a profile-free approximation. Printed output depends on the press, ink and paper. Lab uses a D65 white point.

Text contrast

Contrast tells you how clearly lettering separates from #DFEEF0 in light and dark. The ratio compares relative luminance, a measure of light weighted for human vision. Identical colors give 1:1 and black against white gives 21:1. A ratio of 2.99:1 falls just below the 3:1 AA minimum for large text. Body text needs at least 4.5:1 because its finer strokes are harder to distinguish.

Black text: 17.63:1

Normal text: AAA
Large text: AAA

White text: 1.19:1

Normal text: Fail
Large text: Fail

AA and AAA are WCAG accessibility levels. AAA sets a higher bar: 7:1 for normal text and 4.5:1 for large text. Large text begins at 18 pt regular or 14 pt bold. Ratings use the unrounded ratio.

Reference: WCAG text contrast guidance

Palettes & scales

Harmonies rotate the hue. Scales mix the starting color with white, black or middle gray in 20% steps in encoded sRGB.

Complementary

#F0E1DF sits half a turn (180°) from #DFEEF0 on the HSL wheel. Keeping saturation and lightness steady while crossing to the opposite hue gives you a contrasting accent. Check text contrast separately before using the pair for lettering.

#DFEEF0 #F0E1DF

Analogous

#DFF0EA and #DFE6F0 sit 30° to either side of #DFEEF0. The three hues are neighbors on the wheel, so you can change the color of a border or highlight while keeping it close to the original.

#DFF0EA #DFEEF0 #DFE6F0

Triadic

#DFEEF0, #F0DFEE and #EEF0DF are spaced 120° apart, forming a triangle on the wheel. Try one for the main color and the other two for accents.

#DFEEF0 #F0DFEE #EEF0DF

Split complementary

Start at #DFEEF0 and look across the wheel. #F0DFE6 and #F0EADF sit 30° to either side of its exact opposite, giving you two different accent choices.

#DFEEF0 #F0DFE6 #F0EADF

Square

Starting with #DFEEF0, each quarter turn (90°) takes you to the next hue: #E9DFF0, #F0E1DF, then #E6F0DF. Across the square, #DFEEF0 pairs with #F0E1DF, and #E9DFF0 with #E6F0DF.

#DFEEF0 #E9DFF0 #F0E1DF #E6F0DF

Tetradic

#DFEEF0 and #F0E1DF are opposites, as are #E1DFF0 and #EEF0DF. Together they form a rectangle on the wheel, with alternating gaps of 60° and 120°.

#DFEEF0 #E1DFF0 #F0E1DF #EEF0DF

Tints

Mixing #DFEEF0 with white in 20% steps produces this scale. The first mixture, #E5F1F3, keeps 80% of the original. By #F9FCFC, the mixture is 80% white.

#DFEEF0 #E5F1F3 #ECF5F6 #F2F8F9 #F9FCFC #FFFFFF

Shades

Mixing #DFEEF0 with black in 20% steps produces this scale. The first mixture, #B2BEC0, keeps 80% of the original. By #2D3030, the mixture is 80% black.

#DFEEF0 #B2BEC0 #868F90 #595F60 #2D3030 #000000

Tones

Mixing #DFEEF0 with middle gray in 20% steps produces this scale. The first mixture, #CCD8DA, keeps 80% of the original. By #939696, the mixture is 80% middle gray.

#DFEEF0 #CCD8DA #B9C2C3 #A6ACAD #939696 #808080

Copy color codes

Hex, RGB and HSL are three ways to write this screen color. Paste any of them into a CSS color property.

Hex

#DFEEF0

RGB

rgb(223 238 240)

HSL

hsl(187.059 36.170% 90.784%)

CSS example

.color-sample {
  background-color: #DFEEF0;
  color: #000000;
}

Channel breakdown

RGB

#DFEEF0 uses 223 red, 238 green and 240 blue. Each bar shows how much of that channel’s 0–255 range the screen uses.

Red 87.5%

Green 93.3%

Blue 94.1%

CMYK

A simple CMYK estimate for #DFEEF0 is 7.1% cyan, 0.8% magenta, 0.0% yellow and 5.9% black. These are ink amounts; a printer profile is needed to predict the result on paper.

Cyan 7.1%

Magenta 0.8%

Yellow 0.0%

Black 5.9%

Nearby colors

The nearest shorthand match is #DDEEEE. Its matching digit pairs let you write it as #DEE in CSS. For a modern design, keep #DFEEF0 when you want an exact match. Use its web-safe neighbor, #CCFFFF, when matching a legacy palette of 216 colors.

Nearest shorthand: #DDEEEE Nearest web-safe: #CCFFFF

Gradient to complement

#DFEEF0 #E2ECED #E5EAEA #E8E8E8 #EAE5E5 #EDE3E2 #F0E1DF

Color vision previews

Compare how #DFEEF0 appears in each simulation. When two chart lines or status indicators become hard to tell apart, a label, shape or line pattern gives readers another way to distinguish them. Individual perception varies.

Protanopia

A red–green color vision deficiency. Without a distinct response from long-wavelength cones, some reds and greens can look alike, and reds can appear darker.

#EBEDF0

Deuteranopia

A red–green color vision deficiency. Without a distinct response from medium-wavelength cones, some greens can be difficult to distinguish from reds or browns.

#E8EAF0

Tritanopia

A blue–yellow color vision deficiency. Without a distinct response from short-wavelength cones, blue can resemble green, and yellow can resemble pink.

#DBEFEF

Protanomaly (50%)

An altered long-wavelength cone response can make reds appear dimmer and harder to distinguish from greens. This swatch shows the model’s halfway setting.

#E7EDF0

Deuteranomaly (50%)

An altered medium-wavelength cone response can reduce the visible difference between reds and greens. This swatch shows the model’s halfway setting.

#E6EBF0

Tritanomaly (50%)

An altered short-wavelength cone response can make blue harder to distinguish from green. This swatch shows the model’s halfway setting.

#DFEEEF

Grayscale (luminance)

This design check removes hue and preserves relative luminance so you can compare light and dark areas.

#EBEBEB

Partial grayscale (50% blend)

This design check mixes the original color halfway toward its grayscale equivalent in linear light. Use it to see how a design holds up as color fades.

#E5EDEE

Reference: National Eye Institute: Types of Color Vision Deficiency

Technical reference

CAM16 and CIECAM02 below assume D65 white, an average surround, background Y of 20 against white at 100, and adapting luminance of 4.07 cd/m².

Linear sRGB

These channels scale with emitted light. Use them for lighting calculations and physically meaningful blends.

R 0.73791 G 0.85499 B 0.87137

Display P3

P3 displays can reproduce a wider range of reds and greens. These coordinates reproduce this same sRGB swatch on a color-managed P3 display.

R 0.88533 G 0.93146 B 0.93952

Linear Display P3

These P3 channels are proportional to light, before display encoding.

R 0.75870 G 0.85111 B 0.86790

CIE xyY

The x and y coordinates locate chromaticity on a diagram. Y gives relative luminance on a scale where white is 100.

x 0.302 y 0.327 Y 83.128

CMY

Ideal cyan, magenta and yellow are the complements of the encoded red, green and blue channels.

C % 12.549 M % 6.667 Y % 5.882

Binary RGB

Each eight-bit group represents one channel. Together they store the 24-bit hex color.

11011111 11101110 11110000