#03131F#03131F

#03131F is a very dark, muted cyan. Relative luminance 0.006; OKLCH L 17.9% C 0.034 H 241.1°. Best body text is #FFFFFF at 18.80:1 contrast (WCAG AA passes).

Color values

HEX	#03131F
RGB	rgb(3, 19, 31)
HSL	hsl(206, 82%, 7%)
HSV	hsv(206, 90%, 12%)
CMYK	cmyk(90.3%, 38.7%, 0%, 87.8%)
CIE-LAB	lab(5.28, -1.53, -9.97)
CIE-LCH	lch(5.28, 10.08, 261.27°)
OKLab	oklab(17.9% -0.0165 -0.03)
OKLCH	oklch(17.9% 0.034 241.1)
XYZ	xyz(0.5177, 0.5840, 1.3815)
Luminance	0.0058 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#03131F #1F0F03

analogous

#031F1D #03131F #03051F

triadic

#03131F #1F0313 #131F03

tetradic

#03131F #1D031F #1F0F03 #051F03

square

#03131F #1D031F #1F0F03 #051F03

split-complementary

#03131F #1F0305 #1F1D03

monochromatic

#03111C #03111C #03131F #083557 #0E578F

Accessibility & contrast

On white

18.80

#03131F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.12

#03131F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #03131F

18.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##03131F	#FFFFFF	#000000	##FFFFFF
##03131F	1.00	18.80	1.12	18.80
#FFFFFF	18.80	1.00	21.00	1.00
#000000	1.12	21.00	1.00	21.00
##FFFFFF	18.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0D1320

Deuteranopia (green-blind)

#09101F

Tritanopia (blue-blind)

#001617

Achromatopsia (no color)

#121212

Design tokens & code

CSS

--color: #03131f;
/* rgb */ color: rgb(3, 19, 31);
/* oklch */ color: oklch(17.9% 0.034 241.1);

Tailwind

colors: {
  custom: {
    50: '#47505a',
    500: '#03131f',
    950: '#000000',
  },
}

SCSS

$custom: #03131f;
$custom-light: #47505a;
$custom-dark: #000000;

JSON

{
  "hex": "#03131f",
  "rgb": {
    "r": 3,
    "g": 19,
    "b": 31
  },
  "hsl": {
    "h": 205.714,
    "s": 82.353,
    "l": 6.667
  },
  "oklch": {
    "l": 0.17902,
    "c": 0.0343,
    "h": 241.1
  },
  "luminance": 0.00584
}

Semantic roles & 50–950 ramp

primary

#03131F

secondary

#633A1B

accent

#852FF9

background

#F4F4F5

surface

#E6E7E9

border

#C2C3C5

text

#000203

muted

#777878

Preview Lab

Preview with #03131F

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

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