#008FA6

sRGB · 0 / 143 / 166

#008FA6 belongs to the cyan family. Its hex code tells a screen to mix 0 red, 143 green and 166 blue on a scale of 0 to 255. On the HSL wheel, hue is a position around a circle: 188.3° lands in the cyan region. Its 100.0% saturation makes it strong in color at this lightness. HSL lightness is 32.5% 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 (5.48:1), which helps the shapes of letters stand out.

Color conversions

sRGB (8-bit): 0, 143, 166
HSL: 188.31°, 100.00%, 32.55%
HSV / HSB: 188.31°, 100.00%, 65.10%
CMYK (approx.): 100.00%, 13.86%, 0.00%, 34.90%
CIE XYZ (D65, Y = 100 for white): 16.704, 22.397, 39.520
CIELAB (D65, 2° observer): 54.446, -23.574, -21.197
WCAG relative luminance: 0.22398
24-bit decimal: 36774

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 #008FA6 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 · 5.48:1

Normal text: AA
Large text: AAA

White text · 3.83:1

Normal text: Fail
Large text: AA

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. 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

#A61700 sits half a turn (180°) from #008FA6 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.

#008FA6 #A61700

Analogous

#00A66A and #003CA6 sit 30° to either side of #008FA6. 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.

#00A66A #008FA6 #003CA6

Triadic

#008FA6, #A6008F and #8FA600 are spaced 120° apart, forming a triangle on the wheel. Try one for the main color and the other two for accents.

#008FA6 #A6008F #8FA600

Split complementary

Start at #008FA6 and look across the wheel. #A6003C and #A66A00 sit 30° to either side of its exact opposite, giving you two different accent choices.

#008FA6 #A6003C #A66A00

Square

Starting with #008FA6, each quarter turn (90°) takes you to the next hue: #6A00A6, #A61700, then #3CA600. Across the square, #008FA6 pairs with #A61700, and #6A00A6 with #3CA600.

#008FA6 #6A00A6 #A61700 #3CA600

Tetradic

#008FA6 and #A61700 are opposites, as are #1700A6 and #8FA600. Together they form a rectangle on the wheel, with alternating gaps of 60° and 120°.

#008FA6 #1700A6 #A61700 #8FA600

Tints

Mixing #008FA6 with white in 20% steps produces this scale. The first mixture, #33A5B8, keeps 80% of the original. By #CCE9ED, the mixture is 80% white.

#008FA6 #33A5B8 #66BCCA #99D2DB #CCE9ED #FFFFFF

Shades

Mixing #008FA6 with black in 20% steps produces this scale. The first mixture, #007285, keeps 80% of the original. By #001D21, the mixture is 80% black.

#008FA6 #007285 #005664 #003942 #001D21 #000000

Tones

Mixing #008FA6 with middle gray in 20% steps produces this scale. The first mixture, #1A8C9E, keeps 80% of the original. By #668388, the mixture is 80% middle gray.

#008FA6 #1A8C9E #338997 #4D868F #668388 #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

#008FA6

RGB

rgb(0 143 166)

HSL

hsl(188.313 100.000% 32.549%)

CSS example

.color-sample {
  background-color: #008FA6;
  color: #000000;
}

Channel breakdown

RGB

#008FA6 uses 0 red, 143 green and 166 blue. Each bar shows how much of that channel’s 0–255 range the screen uses.

Red 0.0%

Green 56.1%

Blue 65.1%

CMYK

A simple CMYK estimate for #008FA6 is 100.0% cyan, 13.9% magenta, 0.0% yellow and 34.9% black. These are ink amounts; a printer profile is needed to predict the result on paper.

Cyan 100.0%

Magenta 13.9%

Yellow 0.0%

Black 34.9%

Nearby colors

The nearest shorthand match is #0088AA. Its matching digit pairs let you write it as #08A in CSS. For a modern design, keep #008FA6 when you want an exact match. Use its web-safe neighbor, #009999, when matching a legacy palette of 216 colors.

Nearest shorthand · #0088AA Nearest web-safe · #009999

Gradient to complement

#008FA6 #1C7B8A #37676F #535353 #6F3F37 #8A2B1C #A61700

Color vision previews

Compare how #008FA6 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.

#7F8AA7

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.

#6C7CA6

Tritanopia

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

#009896

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.

#668AA7

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.

#5C83A6

Tritanomaly (50%)

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

#0091A0

Grayscale (luminance)

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

#828282

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.

#5E8995

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 0.00000 G 0.27468 B 0.38133

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 0.24466 G 0.55218 B 0.63988

Linear Display P3

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

R 0.04877 G 0.26556 B 0.36709

CIE xyY

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

x 0.212 y 0.285 Y 22.397

CMY

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

C % 100.000 M % 43.922 Y % 34.902

Binary RGB

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

00000000 10001111 10100110