#031E39#031E39

#031E39 is a very dark, moderate cyan. Relative luminance 0.012; OKLCH L 23.2% C 0.062 H 251.2°. Best body text is #FFFFFF at 16.82:1 contrast (WCAG AA passes).

Color values

HEX	#031E39
RGB	rgb(3, 30, 57)
HSL	hsl(210, 90%, 12%)
HSV	hsv(210, 95%, 22%)
CMYK	cmyk(94.7%, 47.4%, 0%, 77.6%)
CIE-LAB	lab(10.87, 1.88, -20.40)
CIE-LCH	lch(10.87, 20.49, 275.26°)
OKLab	oklab(23.18% -0.0198 -0.0584)
OKLCH	oklch(23.18% 0.062 251.2)
XYZ	xyz(1.2401, 1.2432, 4.0447)
Luminance	0.0124 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#031E39 #391E03

analogous

#033939 #031E39 #030339

triadic

#031E39 #39031E #1E3903

tetradic

#031E39 #390339 #391E03 #033903

square

#031E39 #390339 #391E03 #033903

split-complementary

#031E39 #390303 #393903

monochromatic

#020F1D #020F1D #031E39 #063D73 #095BAD

Accessibility & contrast

On white

16.82

#031E39 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.25

#031E39 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #031E39

16.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##031E39	#FFFFFF	#000000	##FFFFFF
##031E39	1.00	16.82	1.25	16.82
#FFFFFF	16.82	1.00	21.00	1.00
#000000	1.25	21.00	1.00	21.00
##FFFFFF	16.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#11203A

Deuteranopia (green-blind)

#071B38

Tritanopia (blue-blind)

#002428

Achromatopsia (no color)

#1D1D1D

Design tokens & code

CSS

--color: #031e39;
/* rgb */ color: rgb(3, 30, 57);
/* oklch */ color: oklch(23.2% 0.062 251.2);

Tailwind

colors: {
  custom: {
    50: '#4d596f',
    500: '#031e39',
    950: '#000000',
  },
}

SCSS

$custom: #031e39;
$custom-light: #4d596f;
$custom-dark: #000000;

JSON

{
  "hex": "#031e39",
  "rgb": {
    "r": 3,
    "g": 30,
    "b": 57
  },
  "hsl": {
    "h": 210,
    "s": 90,
    "l": 11.765
  },
  "oklch": {
    "l": 0.23184,
    "c": 0.06168,
    "h": 251.2
  },
  "luminance": 0.01243
}

Semantic roles & 50–950 ramp

primary

#031E39

secondary

#7C4C1C

accent

#9429FF

background

#F4F5F6

surface

#E7E9EC

border

#C3C5C7

text

#020307

muted

#78787A

Preview Lab

Preview with #031E39

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

Preview Lab → · Contrast checker → · Palette generator →