#0D183C#0D183C

#0D183C is a very dark, moderate blue. Relative luminance 0.011; OKLCH L 22.4% C 0.071 H 267.6°. Best body text is #FFFFFF at 17.31:1 contrast (WCAG AA passes).

Color values

HEX	#0D183C
RGB	rgb(13, 24, 60)
HSL	hsl(226, 64%, 14%)
HSV	hsv(226, 78%, 24%)
CMYK	cmyk(78.3%, 60%, 0%, 76.5%)
CIE-LAB	lab(9.52, 9.81, -24.68)
CIE-LCH	lch(9.52, 26.56, 291.67°)
OKLab	oklab(22.36% -0.003 -0.0709)
OKLCH	oklch(22.36% 0.071 267.6)
XYZ	xyz(1.3079, 1.0650, 4.4107)
Luminance	0.0106 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0D183C #3C310D

analogous

#0D303C #0D183C #1A0D3C

triadic

#0D183C #3C0D18 #183C0D

tetradic

#0D183C #3C0D30 #3C310D #0D3C1A

square

#0D183C #3C0D30 #3C310D #0D3C1A

split-complementary

#0D183C #3C1A0D #303C0D

monochromatic

#050A19 #050A19 #0D183C #182C6E #2340A1

Accessibility & contrast

On white

17.31

#0D183C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.21

#0D183C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0D183C

17.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0D183C	#FFFFFF	#000000	##FFFFFF
##0D183C	1.00	17.31	1.21	17.31
#FFFFFF	17.31	1.00	21.00	1.00
#000000	1.21	21.00	1.00	21.00
##FFFFFF	17.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#031D3D

Deuteranopia (green-blind)

#00183B

Tritanopia (blue-blind)

#002127

Achromatopsia (no color)

#1B1B1B

Design tokens & code

CSS

--color: #0d183c;
/* rgb */ color: rgb(13, 24, 60);
/* oklch */ color: oklch(22.4% 0.071 267.6);

Tailwind

colors: {
  custom: {
    50: '#535472',
    500: '#0d183c',
    950: '#000000',
  },
}

SCSS

$custom: #0d183c;
$custom-light: #535472;
$custom-dark: #000000;

JSON

{
  "hex": "#0d183c",
  "rgb": {
    "r": 13,
    "g": 24,
    "b": 60
  },
  "hsl": {
    "h": 225.957,
    "s": 64.384,
    "l": 14.314
  },
  "oklch": {
    "l": 0.22361,
    "c": 0.07098,
    "h": 267.6
  },
  "luminance": 0.01065
}

Semantic roles & 50–950 ramp

primary

#0D183C

secondary

#78662D

accent

#C040E7

background

#F4F4F6

surface

#E7E7EC

border

#C3C3C7

text

#030208

muted

#78787B

Preview Lab

Preview with #0D183C

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

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