#031D2E#031D2E

#031D2E is a very dark, muted cyan. Relative luminance 0.011; OKLCH L 22.1% C 0.046 H 240.8°. Best body text is #FFFFFF at 17.23:1 contrast (WCAG AA passes).

Color values

HEX	#031D2E
RGB	rgb(3, 29, 46)
HSL	hsl(204, 88%, 10%)
HSV	hsv(204, 93%, 18%)
CMYK	cmyk(93.5%, 37%, 0%, 82%)
CIE-LAB	lab(9.76, -2.59, -14.23)
CIE-LCH	lch(9.76, 14.46, 259.70°)
OKLab	oklab(22.07% -0.0226 -0.0403)
OKLCH	oklch(22.07% 0.046 240.8)
XYZ	xyz(0.9699, 1.0952, 2.7445)
Luminance	0.0109 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#031D2E #2E1403

analogous

#032E2A #031D2E #03082E

triadic

#031D2E #2E031D #1D2E03

tetradic

#031D2E #2A032E #2E1403 #082E03

square

#031D2E #2A032E #2E1403 #082E03

split-complementary

#031D2E #2E0308 #2E2A03

monochromatic

#02121D #02121D #031D2E #074167 #0A65A1

Accessibility & contrast

On white

17.23

#031D2E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.22

#031D2E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #031D2E

17.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##031D2E	#FFFFFF	#000000	##FFFFFF
##031D2E	1.00	17.23	1.22	17.23
#FFFFFF	17.23	1.00	21.00	1.00
#000000	1.22	21.00	1.00	21.00
##FFFFFF	17.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#151D2F

Deuteranopia (green-blind)

#0F192E

Tritanopia (blue-blind)

#002123

Achromatopsia (no color)

#1B1B1B

Design tokens & code

CSS

--color: #031d2e;
/* rgb */ color: rgb(3, 29, 46);
/* oklch */ color: oklch(22.1% 0.046 240.8);

Tailwind

colors: {
  custom: {
    50: '#4a5866',
    500: '#031d2e',
    950: '#000000',
  },
}

SCSS

$custom: #031d2e;
$custom-light: #4a5866;
$custom-dark: #000000;

JSON

{
  "hex": "#031d2e",
  "rgb": {
    "r": 3,
    "g": 29,
    "b": 46
  },
  "hsl": {
    "h": 203.721,
    "s": 87.755,
    "l": 9.608
  },
  "oklch": {
    "l": 0.2207,
    "c": 0.04622,
    "h": 240.8
  },
  "luminance": 0.01095
}

Semantic roles & 50–950 ramp

primary

#031D2E

secondary

#723D1B

accent

#7E2AFE

background

#F4F5F6

surface

#E7E9EB

border

#C3C5C6

text

#010306

muted

#77787A

Preview Lab

Preview with #031D2E

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →