#0D1337#0D1337

#0D1337 is a very dark, moderate blue. Relative luminance 0.008; OKLCH L 20.7% C 0.070 H 271.7°. Best body text is #FFFFFF at 18.02:1 contrast (WCAG AA passes).

Color values

HEX	#0D1337
RGB	rgb(13, 19, 55)
HSL	hsl(231, 62%, 13%)
HSV	hsv(231, 76%, 22%)
CMYK	cmyk(76.4%, 65.5%, 0%, 78.4%)
CIE-LAB	lab(7.47, 11.53, -24.41)
CIE-LCH	lch(7.47, 26.99, 295.28°)
OKLab	oklab(20.67% 0.0021 -0.0702)
OKLCH	oklch(20.67% 0.07 271.7)
XYZ	xyz(1.0882, 0.8270, 3.7160)
Luminance	0.0083 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 4.41

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0D1337 #37310D

analogous

#0D2837 #0D1337 #1C0D37

triadic

#0D1337 #370D13 #13370D

tetradic

#0D1337 #370D28 #37310D #0D371C

square

#0D1337 #370D28 #37310D #0D371C

split-complementary

#0D1337 #371C0D #28370D

monochromatic

#060919 #060919 #0D1337 #192468 #24359A

Accessibility & contrast

On white

18.02

#0D1337 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.17

#0D1337 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0D1337

18.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0D1337	#FFFFFF	#000000	##FFFFFF
##0D1337	1.00	18.02	1.17	18.02
#FFFFFF	18.02	1.00	21.00	1.00
#000000	1.17	21.00	1.00	21.00
##FFFFFF	18.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001838

Deuteranopia (green-blind)

#001536

Tritanopia (blue-blind)

#001C22

Achromatopsia (no color)

#161616

Design tokens & code

CSS

--color: #0d1337;
/* rgb */ color: rgb(13, 19, 55);
/* oklch */ color: oklch(20.7% 0.070 271.7);

Tailwind

colors: {
  custom: {
    50: '#52506e',
    500: '#0d1337',
    950: '#000000',
  },
}

SCSS

$custom: #0d1337;
$custom-light: #52506e;
$custom-dark: #000000;

JSON

{
  "hex": "#0d1337",
  "rgb": {
    "r": 13,
    "g": 19,
    "b": 55
  },
  "hsl": {
    "h": 231.429,
    "s": 61.765,
    "l": 13.333
  },
  "oklch": {
    "l": 0.20669,
    "c": 0.07027,
    "h": 271.7
  },
  "luminance": 0.00827
}

Semantic roles & 50–950 ramp

primary

#0D1337

secondary

#72692D

accent

#CE43E5

background

#F4F4F6

surface

#E7E7EC

border

#C3C3C7

text

#020207

muted

#78787A

Preview Lab

Preview with #0D1337

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

Preview Lab → · Contrast checker → · Palette generator →