#031D38#031D38

#031D38 is a very dark, moderate cyan. Relative luminance 0.012; OKLCH L 22.8% C 0.061 H 251.8°. Best body text is #FFFFFF at 16.98:1 contrast (WCAG AA passes).

Color values

HEX	#031D38
RGB	rgb(3, 29, 56)
HSL	hsl(211, 90%, 12%)
HSV	hsv(211, 95%, 22%)
CMYK	cmyk(94.6%, 48.2%, 0%, 78%)
CIE-LAB	lab(10.44, 2.17, -20.39)
CIE-LCH	lch(10.44, 20.50, 276.09°)
OKLab	oklab(22.82% -0.0191 -0.0584)
OKLCH	oklch(22.82% 0.061 251.8)
XYZ	xyz(1.1905, 1.1835, 3.9063)
Luminance	0.0118 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#031D38 #381E03

analogous

#033838 #031D38 #030338

triadic

#031D38 #38031D #1D3803

tetradic

#031D38 #380338 #381E03 #033803

square

#031D38 #380338 #381E03 #033803

split-complementary

#031D38 #380303 #383803

monochromatic

#020F1D #020F1D #031D38 #063B72 #0959AC

Accessibility & contrast

On white

16.98

#031D38 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.24

#031D38 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #031D38

16.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##031D38	#FFFFFF	#000000	##FFFFFF
##031D38	1.00	16.98	1.24	16.98
#FFFFFF	16.98	1.00	21.00	1.00
#000000	1.24	21.00	1.00	21.00
##FFFFFF	16.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0F1F39

Deuteranopia (green-blind)

#061A37

Tritanopia (blue-blind)

#002327

Achromatopsia (no color)

#1C1C1C

Design tokens & code

CSS

--color: #031d38;
/* rgb */ color: rgb(3, 29, 56);
/* oklch */ color: oklch(22.8% 0.061 251.8);

Tailwind

colors: {
  custom: {
    50: '#4d586f',
    500: '#031d38',
    950: '#000000',
  },
}

SCSS

$custom: #031d38;
$custom-light: #4d586f;
$custom-dark: #000000;

JSON

{
  "hex": "#031d38",
  "rgb": {
    "r": 3,
    "g": 29,
    "b": 56
  },
  "hsl": {
    "h": 210.566,
    "s": 89.831,
    "l": 11.569
  },
  "oklch": {
    "l": 0.22819,
    "c": 0.06143,
    "h": 251.8
  },
  "luminance": 0.01184
}

Semantic roles & 50–950 ramp

primary

#031D38

secondary

#7B4C1C

accent

#9629FF

background

#F4F5F6

surface

#E7E9EC

border

#C3C5C7

text

#020307

muted

#78787A

Preview Lab

Preview with #031D38

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

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