#031838#031838

#031838 is a very dark, moderate blue. Relative luminance 0.010; OKLCH L 21.4% C 0.069 H 257.8°. Best body text is #FFFFFF at 17.62:1 contrast (WCAG AA passes).

Color values

HEX	#031838
RGB	rgb(3, 24, 56)
HSL	hsl(216, 90%, 12%)
HSV	hsv(216, 95%, 22%)
CMYK	cmyk(94.6%, 57.1%, 0%, 78%)
CIE-LAB	lab(8.64, 6.14, -23.27)
CIE-LCH	lch(8.64, 24.07, 284.77°)
OKLab	oklab(21.43% -0.0145 -0.067)
OKLCH	oklch(21.43% 0.069 257.8)
XYZ	xyz(1.0777, 0.9580, 3.8687)
Luminance	0.0096 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#031838 #382303

analogous

#033338 #031838 #080338

triadic

#031838 #380318 #183803

tetradic

#031838 #380333 #382303 #033808

square

#031838 #380333 #382303 #033808

split-complementary

#031838 #380803 #333803

monochromatic

#020C1D #020C1D #031838 #063172 #094AAC

Accessibility & contrast

On white

17.62

#031838 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.19

#031838 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #031838

17.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##031838	#FFFFFF	#000000	##FFFFFF
##031838	1.00	17.62	1.19	17.62
#FFFFFF	17.62	1.00	21.00	1.00
#000000	1.19	21.00	1.00	21.00
##FFFFFF	17.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#051B39

Deuteranopia (green-blind)

#001637

Tritanopia (blue-blind)

#002025

Achromatopsia (no color)

#191919

Design tokens & code

CSS

--color: #031838;
/* rgb */ color: rgb(3, 24, 56);
/* oklch */ color: oklch(21.4% 0.069 257.8);

Tailwind

colors: {
  custom: {
    50: '#4d546f',
    500: '#031838',
    950: '#000000',
  },
}

SCSS

$custom: #031838;
$custom-light: #4d546f;
$custom-dark: #000000;

JSON

{
  "hex": "#031838",
  "rgb": {
    "r": 3,
    "g": 24,
    "b": 56
  },
  "hsl": {
    "h": 216.226,
    "s": 89.831,
    "l": 11.569
  },
  "oklch": {
    "l": 0.21426,
    "c": 0.06854,
    "h": 257.8
  },
  "luminance": 0.00958
}

Semantic roles & 50–950 ramp

primary

#031838

secondary

#7B551C

accent

#AA29FF

background

#F4F4F6

surface

#E7E7EC

border

#C3C3C7

text

#020207

muted

#78787A

Preview Lab

Preview with #031838

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

Preview Lab → · Contrast checker → · Palette generator →