#031C39#031C39

#031C39 is a very dark, moderate cyan. Relative luminance 0.011; OKLCH L 22.6% C 0.064 H 253.9°. Best body text is #FFFFFF at 17.09:1 contrast (WCAG AA passes).

Color values

HEX	#031C39
RGB	rgb(3, 28, 57)
HSL	hsl(212, 90%, 12%)
HSV	hsv(212, 95%, 22%)
CMYK	cmyk(94.7%, 50.9%, 0%, 77.6%)
CIE-LAB	lab(10.15, 3.44, -21.56)
CIE-LCH	lch(10.15, 21.84, 279.05°)
OKLab	oklab(22.62% -0.0179 -0.0619)
OKLCH	oklch(22.62% 0.064 253.9)
XYZ	xyz(1.1910, 1.1451, 4.0284)
Luminance	0.0115 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#031C39 #392003

analogous

#033739 #031C39 #050339

triadic

#031C39 #39031C #1C3903

tetradic

#031C39 #390337 #392003 #033905

square

#031C39 #390337 #392003 #033905

split-complementary

#031C39 #390503 #373903

monochromatic

#020E1D #020E1D #031C39 #063973 #0955AD

Accessibility & contrast

On white

17.09

#031C39 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.23

#031C39 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #031C39

17.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##031C39	#FFFFFF	#000000	##FFFFFF
##031C39	1.00	17.09	1.23	17.09
#FFFFFF	17.09	1.00	21.00	1.00
#000000	1.23	21.00	1.00	21.00
##FFFFFF	17.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0D1E3A

Deuteranopia (green-blind)

#031938

Tritanopia (blue-blind)

#002327

Achromatopsia (no color)

#1C1C1C

Design tokens & code

CSS

--color: #031c39;
/* rgb */ color: rgb(3, 28, 57);
/* oklch */ color: oklch(22.6% 0.064 253.9);

Tailwind

colors: {
  custom: {
    50: '#4d576f',
    500: '#031c39',
    950: '#000000',
  },
}

SCSS

$custom: #031c39;
$custom-light: #4d576f;
$custom-dark: #000000;

JSON

{
  "hex": "#031c39",
  "rgb": {
    "r": 3,
    "g": 28,
    "b": 57
  },
  "hsl": {
    "h": 212.222,
    "s": 90,
    "l": 11.765
  },
  "oklch": {
    "l": 0.22619,
    "c": 0.0644,
    "h": 253.9
  },
  "luminance": 0.01145
}

Semantic roles & 50–950 ramp

primary

#031C39

secondary

#7C4F1C

accent

#9C29FF

background

#F4F5F6

surface

#E7E9EC

border

#C3C5C7

text

#020307

muted

#78787A

Preview Lab

Preview with #031C39

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

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