#031F33#031F33

#031F33 is a very dark, muted cyan. Relative luminance 0.012; OKLCH L 23.0% C 0.051 H 243.5°. Best body text is #FFFFFF at 16.83:1 contrast (WCAG AA passes).

Color values

HEX	#031F33
RGB	rgb(3, 31, 51)
HSL	hsl(205, 89%, 11%)
HSV	hsv(205, 94%, 20%)
CMYK	cmyk(94.1%, 39.2%, 0%, 80%)
CIE-LAB	lab(10.84, -1.73, -16.16)
CIE-LCH	lch(10.84, 16.25, 263.88°)
OKLab	oklab(23.02% -0.0229 -0.0459)
OKLCH	oklch(23.02% 0.051 243.5)
XYZ	xyz(1.1248, 1.2382, 3.3110)
Luminance	0.0124 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#031F33 #331703

analogous

#03332F #031F33 #030733

triadic

#031F33 #33031F #1F3303

tetradic

#031F33 #2F0333 #331703 #073303

square

#031F33 #2F0333 #331703 #073303

split-complementary

#031F33 #330307 #332F03

monochromatic

#02121D #02121D #031F33 #06426D #0A65A7

Accessibility & contrast

On white

16.83

#031F33 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.25

#031F33 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #031F33

16.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##031F33	#FFFFFF	#000000	##FFFFFF
##031F33	1.00	16.83	1.25	16.83
#FFFFFF	16.83	1.00	21.00	1.00
#000000	1.25	21.00	1.00	21.00
##FFFFFF	16.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#162034

Deuteranopia (green-blind)

#0E1B33

Tritanopia (blue-blind)

#002426

Achromatopsia (no color)

#1D1D1D

Design tokens & code

CSS

--color: #031f33;
/* rgb */ color: rgb(3, 31, 51);
/* oklch */ color: oklch(23.0% 0.051 243.5);

Tailwind

colors: {
  custom: {
    50: '#4c5a6a',
    500: '#031f33',
    950: '#000000',
  },
}

SCSS

$custom: #031f33;
$custom-light: #4c5a6a;
$custom-dark: #000000;

JSON

{
  "hex": "#031f33",
  "rgb": {
    "r": 3,
    "g": 31,
    "b": 51
  },
  "hsl": {
    "h": 205,
    "s": 88.889,
    "l": 10.588
  },
  "oklch": {
    "l": 0.23024,
    "c": 0.05132,
    "h": 243.5
  },
  "luminance": 0.01238
}

Semantic roles & 50–950 ramp

primary

#031F33

secondary

#76411C

accent

#8229FF

background

#F4F5F6

surface

#E7E9EB

border

#C3C5C6

text

#010306

muted

#77787A

Preview Lab

Preview with #031F33

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

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