#031F31#031F31

#031F31 is a very dark, muted cyan. Relative luminance 0.012; OKLCH L 22.9% C 0.048 H 240.8°. Best body text is #FFFFFF at 16.88:1 contrast (WCAG AA passes).

Color values

HEX	#031F31
RGB	rgb(3, 31, 49)
HSL	hsl(203, 88%, 10%)
HSV	hsv(203, 94%, 19%)
CMYK	cmyk(93.9%, 36.7%, 0%, 80.8%)
CIE-LAB	lab(10.71, -2.66, -14.91)
CIE-LCH	lch(10.71, 15.15, 259.87°)
OKLab	oklab(22.88% -0.0237 -0.0423)
OKLCH	oklch(22.88% 0.048 240.8)
XYZ	xyz(1.0817, 1.2209, 3.0838)
Luminance	0.0122 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#031F31 #311503

analogous

#03312C #031F31 #030831

triadic

#031F31 #31031F #1F3103

tetradic

#031F31 #2C0331 #311503 #083103

square

#031F31 #2C0331 #311503 #083103

split-complementary

#031F31 #310308 #312C03

monochromatic

#02121D #02121D #031F31 #07436B #0A68A4

Accessibility & contrast

On white

16.88

#031F31 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.24

#031F31 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #031F31

16.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##031F31	#FFFFFF	#000000	##FFFFFF
##031F31	1.00	16.88	1.24	16.88
#FFFFFF	16.88	1.00	21.00	1.00
#000000	1.24	21.00	1.00	21.00
##FFFFFF	16.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#161F32

Deuteranopia (green-blind)

#101B31

Tritanopia (blue-blind)

#002325

Achromatopsia (no color)

#1D1D1D

Design tokens & code

CSS

--color: #031f31;
/* rgb */ color: rgb(3, 31, 49);
/* oklch */ color: oklch(22.9% 0.048 240.8);

Tailwind

colors: {
  custom: {
    50: '#4b5a69',
    500: '#031f31',
    950: '#000000',
  },
}

SCSS

$custom: #031f31;
$custom-light: #4b5a69;
$custom-dark: #000000;

JSON

{
  "hex": "#031f31",
  "rgb": {
    "r": 3,
    "g": 31,
    "b": 49
  },
  "hsl": {
    "h": 203.478,
    "s": 88.462,
    "l": 10.196
  },
  "oklch": {
    "l": 0.22883,
    "c": 0.04846,
    "h": 240.8
  },
  "luminance": 0.01221
}

Semantic roles & 50–950 ramp

primary

#031F31

secondary

#743E1B

accent

#7D29FF

background

#F4F5F6

surface

#E7E9EB

border

#C3C5C6

text

#010306

muted

#77787A

Preview Lab

Preview with #031F31

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

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