#08183A#08183A

#08183A is a very dark, moderate blue. Relative luminance 0.010; OKLCH L 21.9% C 0.070 H 262.9°. Best body text is #FFFFFF at 17.47:1 contrast (WCAG AA passes).

Color values

HEX	#08183A
RGB	rgb(8, 24, 58)
HSL	hsl(221, 76%, 13%)
HSV	hsv(221, 86%, 23%)
CMYK	cmyk(86.2%, 58.6%, 0%, 77.3%)
CIE-LAB	lab(9.08, 8.02, -23.99)
CIE-LCH	lch(9.08, 25.29, 288.49°)
OKLab	oklab(21.89% -0.0086 -0.069)
OKLCH	oklch(21.89% 0.07 262.9)
XYZ	xyz(1.1902, 1.0102, 4.1344)
Luminance	0.0101 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#08183A #3A2A08

analogous

#08313A #08183A #11083A

triadic

#08183A #3A0818 #183A08

tetradic

#08183A #3A0831 #3A2A08 #083A11

square

#08183A #3A0831 #3A2A08 #083A11

split-complementary

#08183A #3A1108 #313A08

monochromatic

#040B1B #040B1B #08183A #0F2E70 #1745A6

Accessibility & contrast

On white

17.47

#08183A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.20

#08183A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #08183A

17.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##08183A	#FFFFFF	#000000	##FFFFFF
##08183A	1.00	17.47	1.20	17.47
#FFFFFF	17.47	1.00	21.00	1.00
#000000	1.20	21.00	1.00	21.00
##FFFFFF	17.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#041C3B

Deuteranopia (green-blind)

#001739

Tritanopia (blue-blind)

#002026

Achromatopsia (no color)

#1A1A1A

Design tokens & code

CSS

--color: #08183a;
/* rgb */ color: rgb(8, 24, 58);
/* oklch */ color: oklch(21.9% 0.070 262.9);

Tailwind

colors: {
  custom: {
    50: '#505470',
    500: '#08183a',
    950: '#000000',
  },
}

SCSS

$custom: #08183a;
$custom-light: #505470;
$custom-dark: #000000;

JSON

{
  "hex": "#08183a",
  "rgb": {
    "r": 8,
    "g": 24,
    "b": 58
  },
  "hsl": {
    "h": 220.8,
    "s": 75.758,
    "l": 12.941
  },
  "oklch": {
    "l": 0.21893,
    "c": 0.06951,
    "h": 262.9
  },
  "luminance": 0.0101
}

Semantic roles & 50–950 ramp

primary

#08183A

secondary

#795E25

accent

#B635F2

background

#F4F4F6

surface

#E7E7EC

border

#C3C3C7

text

#020207

muted

#78787A

Preview Lab

Preview with #08183A

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

Preview Lab → · Contrast checker → · Palette generator →