#031D33#031D33

#031D33 is a very dark, muted cyan. Relative luminance 0.011; OKLCH L 22.4% C 0.054 H 247.3°. Best body text is #FFFFFF at 17.11:1 contrast (WCAG AA passes).

Color values

HEX	#031D33
RGB	rgb(3, 29, 51)
HSL	hsl(208, 89%, 11%)
HSV	hsv(208, 94%, 20%)
CMYK	cmyk(94.1%, 43.1%, 0%, 80%)
CIE-LAB	lab(10.08, -0.23, -17.35)
CIE-LCH	lch(10.08, 17.35, 269.26°)
OKLab	oklab(22.43% -0.0207 -0.0495)
OKLCH	oklch(22.43% 0.054 247.3)
XYZ	xyz(1.0742, 1.1370, 3.2942)
Luminance	0.0114 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#031D33 #331903

analogous

#033331 #031D33 #030533

triadic

#031D33 #33031D #1D3303

tetradic

#031D33 #310333 #331903 #053303

square

#031D33 #310333 #331903 #053303

split-complementary

#031D33 #330305 #333103

monochromatic

#02101D #02101D #031D33 #063E6D #0A5FA7

Accessibility & contrast

On white

17.11

#031D33 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.23

#031D33 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #031D33

17.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##031D33	#FFFFFF	#000000	##FFFFFF
##031D33	1.00	17.11	1.23	17.11
#FFFFFF	17.11	1.00	21.00	1.00
#000000	1.23	21.00	1.00	21.00
##FFFFFF	17.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#131E34

Deuteranopia (green-blind)

#0B1A33

Tritanopia (blue-blind)

#002225

Achromatopsia (no color)

#1C1C1C

Design tokens & code

CSS

--color: #031d33;
/* rgb */ color: rgb(3, 29, 51);
/* oklch */ color: oklch(22.4% 0.054 247.3);

Tailwind

colors: {
  custom: {
    50: '#4c586b',
    500: '#031d33',
    950: '#000000',
  },
}

SCSS

$custom: #031d33;
$custom-light: #4c586b;
$custom-dark: #000000;

JSON

{
  "hex": "#031d33",
  "rgb": {
    "r": 3,
    "g": 29,
    "b": 51
  },
  "hsl": {
    "h": 207.5,
    "s": 88.889,
    "l": 10.588
  },
  "oklch": {
    "l": 0.22431,
    "c": 0.05362,
    "h": 247.3
  },
  "luminance": 0.01137
}

Semantic roles & 50–950 ramp

primary

#031D33

secondary

#76451C

accent

#8B29FF

background

#F4F5F6

surface

#E7E9EB

border

#C3C5C6

text

#010306

muted

#77787A

Preview Lab

Preview with #031D33

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

Preview Lab → · Contrast checker → · Palette generator →