#020D21

sRGB: 2 / 13 / 33

#020D21 belongs to the azure family. Its hex code tells a screen to mix 2 red, 13 green and 33 blue on a scale of 0 to 255. On the HSL wheel, hue is a position around a circle: 218.7° lands in the azure region. Its 88.6% saturation makes it strong in color at this lightness. HSL lightness is 6.9% on a scale from black (0%) to white (100%). Of black and white lettering, white has the clearer light-to-dark separation on this background (19.41:1), which helps the shapes of letters stand out.

Color conversions

sRGB (8-bit): 2, 13, 33
HSL: 218.71°, 88.57%, 6.86%
HSV / HSB: 218.71°, 93.94%, 12.94%
CMYK (approx.): 93.94%, 60.61%, 0.00%, 87.06%
CIE XYZ (D65, Y = 100 for white): 0.443, 0.411, 1.495
CIELAB (D65, 2° observer): 3.708, 2.181, -13.906
WCAG relative luminance: 0.00411
24-bit decimal: 134433

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 #020D21 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: 1.08:1

Normal text: Fail
Large text: Fail

White text: 19.41:1

Normal text: AAA
Large text: AAA

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

#211602 sits half a turn (180°) from #020D21 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.

#020D21 #211602

Analogous

#021C21 and #070221 sit 30° to either side of #020D21. 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.

#021C21 #020D21 #070221

Triadic

#020D21, #21020D and #0D2102 are spaced 120° apart, forming a triangle on the wheel. Try one for the main color and the other two for accents.

#020D21 #21020D #0D2102

Split complementary

Start at #020D21 and look across the wheel. #210702 and #1C2102 sit 30° to either side of its exact opposite, giving you two different accent choices.

#020D21 #210702 #1C2102

Square

Starting with #020D21, each quarter turn (90°) takes you to the next hue: #21021C, #211602, then #022107. Across the square, #020D21 pairs with #211602, and #21021C with #022107.

#020D21 #21021C #211602 #022107

Tetradic

#020D21 and #211602 are opposites, as are #160221 and #0D2102. Together they form a rectangle on the wheel, with alternating gaps of 60° and 120°.

#020D21 #160221 #211602 #0D2102

Tints

Mixing #020D21 with white in 20% steps produces this scale. The first mixture, #353D4D, keeps 80% of the original. By #CCCFD3, the mixture is 80% white.

#020D21 #353D4D #676E7A #9A9EA6 #CCCFD3 #FFFFFF

Shades

Mixing #020D21 with black in 20% steps produces this scale. The first mixture, #020A1A, keeps 80% of the original. By #000307, the mixture is 80% black.

#020D21 #020A1A #010814 #01050D #000307 #000000

Tones

Mixing #020D21 with middle gray in 20% steps produces this scale. The first mixture, #1B2434, keeps 80% of the original. By #67696D, the mixture is 80% middle gray.

#020D21 #1B2434 #343B47 #4E525A #67696D #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

#020D21

RGB

rgb(2 13 33)

HSL

hsl(218.710 88.571% 6.863%)

CSS example

.color-sample {
  background-color: #020D21;
  color: #FFFFFF;
}

Channel breakdown

RGB

#020D21 uses 2 red, 13 green and 33 blue. Each bar shows how much of that channel’s 0–255 range the screen uses.

Red 0.8%

Green 5.1%

Blue 12.9%

CMYK

A simple CMYK estimate for #020D21 is 93.9% cyan, 60.6% magenta, 0.0% yellow and 87.1% black. These are ink amounts; a printer profile is needed to predict the result on paper.

Cyan 93.9%

Magenta 60.6%

Yellow 0.0%

Black 87.1%

Nearby colors

The nearest shorthand match is #001122. Its matching digit pairs let you write it as #012 in CSS. For a modern design, keep #020D21 when you want an exact match. Use its web-safe neighbor, #000033, when matching a legacy palette of 216 colors.

Nearest shorthand: #001122 Nearest web-safe: #000033

Gradient to complement

#020D21 #070F1C #0C1017 #121212 #17130C #1C1507 #211602

Color vision previews

Compare how #020D21 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.

#040F22

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.

#010C21

Tritanopia

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

#001215

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.

#030E21

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.

#010C21

Tritanomaly (50%)

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

#000E1D

Grayscale (luminance)

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

#0D0D0D

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.

#080D19

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 0.00061 G 0.00402 B 0.01521

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 0.01568 G 0.04973 B 0.12395

Linear Display P3

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

R 0.00121 G 0.00391 B 0.01415

CIE xyY

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

x 0.189 y 0.175 Y 0.411

CMY

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

C % 99.216 M % 94.902 Y % 87.059

Binary RGB

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

00000010 00001101 00100001