#031B38#031B38

#031B38 is a very dark, moderate cyan. Relative luminance 0.011; OKLCH L 22.3% C 0.064 H 254.4°. Best body text is #FFFFFF at 17.24:1 contrast (WCAG AA passes).

Color values

HEX	#031B38
RGB	rgb(3, 27, 56)
HSL	hsl(213, 90%, 12%)
HSV	hsv(213, 95%, 22%)
CMYK	cmyk(94.6%, 51.8%, 0%, 78%)
CIE-LAB	lab(9.71, 3.74, -21.55)
CIE-LCH	lch(9.71, 21.87, 279.84°)
OKLab	oklab(22.25% -0.0172 -0.0618)
OKLCH	oklch(22.25% 0.064 254.4)
XYZ	xyz(1.1430, 1.0886, 3.8905)
Luminance	0.0109 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#031B38 #382003

analogous

#033638 #031B38 #050338

triadic

#031B38 #38031B #1B3803

tetradic

#031B38 #380336 #382003 #033805

square

#031B38 #380336 #382003 #033805

split-complementary

#031B38 #380503 #363803

monochromatic

#020E1D #020E1D #031B38 #063772 #0953AC

Accessibility & contrast

On white

17.24

#031B38 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.22

#031B38 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #031B38

17.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##031B38	#FFFFFF	#000000	##FFFFFF
##031B38	1.00	17.24	1.22	17.24
#FFFFFF	17.24	1.00	21.00	1.00
#000000	1.22	21.00	1.00	21.00
##FFFFFF	17.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0C1E39

Deuteranopia (green-blind)

#021937

Tritanopia (blue-blind)

#002226

Achromatopsia (no color)

#1B1B1B

Design tokens & code

CSS

--color: #031b38;
/* rgb */ color: rgb(3, 27, 56);
/* oklch */ color: oklch(22.3% 0.064 254.4);

Tailwind

colors: {
  custom: {
    50: '#4d566f',
    500: '#031b38',
    950: '#000000',
  },
}

SCSS

$custom: #031b38;
$custom-light: #4d566f;
$custom-dark: #000000;

JSON

{
  "hex": "#031b38",
  "rgb": {
    "r": 3,
    "g": 27,
    "b": 56
  },
  "hsl": {
    "h": 212.83,
    "s": 89.831,
    "l": 11.569
  },
  "oklch": {
    "l": 0.22254,
    "c": 0.06419,
    "h": 254.4
  },
  "luminance": 0.01089
}

Semantic roles & 50–950 ramp

primary

#031B38

secondary

#7B501C

accent

#9E29FF

background

#F4F5F6

surface

#E7E9EC

border

#C3C5C7

text

#020307

muted

#78787A

Preview Lab

Preview with #031B38

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

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