#031D39#031D39

#031D39 is a very dark, moderate cyan. Relative luminance 0.012; OKLCH L 22.9% C 0.063 H 252.6°. Best body text is #FFFFFF at 16.95:1 contrast (WCAG AA passes).

Color values

HEX	#031D39
RGB	rgb(3, 29, 57)
HSL	hsl(211, 90%, 12%)
HSV	hsv(211, 95%, 22%)
CMYK	cmyk(94.7%, 49.1%, 0%, 77.6%)
CIE-LAB	lab(10.51, 2.66, -20.98)
CIE-LCH	lch(10.51, 21.15, 277.22°)
OKLab	oklab(22.9% -0.0189 -0.0601)
OKLCH	oklch(22.9% 0.063 252.6)
XYZ	xyz(1.2152, 1.1933, 4.0364)
Luminance	0.0119 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#031D39 #391F03

analogous

#033839 #031D39 #040339

triadic

#031D39 #39031D #1D3903

tetradic

#031D39 #390338 #391F03 #033904

square

#031D39 #390338 #391F03 #033904

split-complementary

#031D39 #390403 #383903

monochromatic

#020F1D #020F1D #031D39 #063B73 #0958AD

Accessibility & contrast

On white

16.95

#031D39 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.24

#031D39 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #031D39

16.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##031D39	#FFFFFF	#000000	##FFFFFF
##031D39	1.00	16.95	1.24	16.95
#FFFFFF	16.95	1.00	21.00	1.00
#000000	1.24	21.00	1.00	21.00
##FFFFFF	16.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0F1F3A

Deuteranopia (green-blind)

#051A38

Tritanopia (blue-blind)

#002428

Achromatopsia (no color)

#1C1C1C

Design tokens & code

CSS

--color: #031d39;
/* rgb */ color: rgb(3, 29, 57);
/* oklch */ color: oklch(22.9% 0.063 252.6);

Tailwind

colors: {
  custom: {
    50: '#4d586f',
    500: '#031d39',
    950: '#000000',
  },
}

SCSS

$custom: #031d39;
$custom-light: #4d586f;
$custom-dark: #000000;

JSON

{
  "hex": "#031d39",
  "rgb": {
    "r": 3,
    "g": 29,
    "b": 57
  },
  "hsl": {
    "h": 211.111,
    "s": 90,
    "l": 11.765
  },
  "oklch": {
    "l": 0.229,
    "c": 0.06302,
    "h": 252.6
  },
  "luminance": 0.01193
}

Semantic roles & 50–950 ramp

primary

#031D39

secondary

#7C4E1C

accent

#9829FF

background

#F4F5F6

surface

#E7E9EC

border

#C3C5C7

text

#020307

muted

#78787A

Preview Lab

Preview with #031D39

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

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