#08183F#08183F

#08183F is a very dark, moderate blue. Relative luminance 0.011; OKLCH L 22.4% C 0.078 H 264.1°. Best body text is #FFFFFF at 17.32:1 contrast (WCAG AA passes).

Color values

HEX	#08183F
RGB	rgb(8, 24, 63)
HSL	hsl(223, 77%, 14%)
HSV	hsv(223, 87%, 25%)
CMYK	cmyk(87.3%, 61.9%, 0%, 75.3%)
CIE-LAB	lab(9.51, 10.34, -26.85)
CIE-LCH	lch(9.51, 28.77, 291.06°)
OKLab	oklab(22.36% -0.008 -0.0774)
OKLCH	oklch(22.36% 0.078 264.1)
XYZ	xyz(1.3237, 1.0636, 4.8372)
Luminance	0.0106 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#08183F #3F2F08

analogous

#08343F #08183F #14083F

triadic

#08183F #3F0818 #183F08

tetradic

#08183F #3F0834 #3F2F08 #083F14

square

#08183F #3F0834 #3F2F08 #083F14

split-complementary

#08183F #3F1408 #343F08

monochromatic

#030A1B #030A1B #08183F #0F2D75 #1641AC

Accessibility & contrast

On white

17.32

#08183F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.21

#08183F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #08183F

17.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##08183F	#FFFFFF	#000000	##FFFFFF
##08183F	1.00	17.32	1.21	17.32
#FFFFFF	17.32	1.00	21.00	1.00
#000000	1.21	21.00	1.00	21.00
##FFFFFF	17.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001D40

Deuteranopia (green-blind)

#00183E

Tritanopia (blue-blind)

#002228

Achromatopsia (no color)

#1A1A1A

Design tokens & code

CSS

--color: #08183f;
/* rgb */ color: rgb(8, 24, 63);
/* oklch */ color: oklch(22.4% 0.078 264.1);

Tailwind

colors: {
  custom: {
    50: '#525474',
    500: '#08183f',
    950: '#000000',
  },
}

SCSS

$custom: #08183f;
$custom-light: #525474;
$custom-dark: #000000;

JSON

{
  "hex": "#08183f",
  "rgb": {
    "r": 8,
    "g": 24,
    "b": 63
  },
  "hsl": {
    "h": 222.545,
    "s": 77.465,
    "l": 13.922
  },
  "oklch": {
    "l": 0.22361,
    "c": 0.07781,
    "h": 264.1
  },
  "luminance": 0.01064
}

Semantic roles & 50–950 ramp

primary

#08183F

secondary

#7E6425

accent

#BC34F4

background

#F4F4F7

surface

#E7E7ED

border

#C3C3C8

text

#020208

muted

#78787B

Preview Lab

Preview with #08183F

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

Preview Lab → · Contrast checker → · Palette generator →