#031128#031128

#031128 is a very dark, muted blue. Relative luminance 0.006; OKLCH L 18.0% C 0.052 H 257.6°. Best body text is #FFFFFF at 18.84:1 contrast (WCAG AA passes).

Color values

HEX	#031128
RGB	rgb(3, 17, 40)
HSL	hsl(217, 86%, 8%)
HSV	hsv(217, 93%, 16%)
CMYK	cmyk(92.5%, 57.5%, 0%, 84.3%)
CIE-LAB	lab(5.18, 3.11, -16.99)
CIE-LCH	lch(5.18, 17.27, 280.37°)
OKLab	oklab(18.02% -0.0111 -0.0508)
OKLCH	oklch(18.02% 0.052 257.6)
XYZ	xyz(0.6209, 0.5734, 2.0850)
Luminance	0.0057 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#031128 #281A03

analogous

#032328 #031128 #070328

triadic

#031128 #280311 #112803

tetradic

#031128 #280323 #281A03 #032807

square

#031128 #280323 #281A03 #032807

split-complementary

#031128 #280703 #232803

monochromatic

#020C1C #020C1C #031128 #072961 #0C419A

Accessibility & contrast

On white

18.84

#031128 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.11

#031128 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #031128

18.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##031128	#FFFFFF	#000000	##FFFFFF
##031128	1.00	18.84	1.11	18.84
#FFFFFF	18.84	1.00	21.00	1.00
#000000	1.11	21.00	1.00	21.00
##FFFFFF	18.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#061329

Deuteranopia (green-blind)

#011028

Tritanopia (blue-blind)

#00161A

Achromatopsia (no color)

#111111

Design tokens & code

CSS

--color: #031128;
/* rgb */ color: rgb(3, 17, 40);
/* oklch */ color: oklch(18.0% 0.052 257.6);

Tailwind

colors: {
  custom: {
    50: '#484f62',
    500: '#031128',
    950: '#000000',
  },
}

SCSS

$custom: #031128;
$custom-light: #484f62;
$custom-dark: #000000;

JSON

{
  "hex": "#031128",
  "rgb": {
    "r": 3,
    "g": 17,
    "b": 40
  },
  "hsl": {
    "h": 217.297,
    "s": 86.047,
    "l": 8.431
  },
  "oklch": {
    "l": 0.18015,
    "c": 0.05201,
    "h": 257.6
  },
  "luminance": 0.00573
}

Semantic roles & 50–950 ramp

primary

#031128

secondary

#6C4D1B

accent

#AD2CFC

background

#F4F4F5

surface

#E7E7EA

border

#C3C3C6

text

#010105

muted

#777779

Preview Lab

Preview with #031128

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

Preview Lab → · Contrast checker → · Palette generator →