#0D0B37#0D0B37

#0D0B37 is a very dark, moderate blue. Relative luminance 0.006; OKLCH L 18.9% C 0.082 H 277.1°. Best body text is #FFFFFF at 18.75:1 contrast (WCAG AA passes).

Color values

HEX	#0D0B37
RGB	rgb(13, 11, 55)
HSL	hsl(243, 67%, 13%)
HSV	hsv(243, 80%, 22%)
CMYK	cmyk(76.4%, 80%, 0%, 78.4%)
CIE-LAB	lab(5.43, 16.29, -27.71)
CIE-LCH	lch(5.43, 32.14, 300.44°)
OKLab	oklab(18.93% 0.0101 -0.0817)
OKLCH	oklch(18.93% 0.082 277.1)
XYZ	xyz(0.9750, 0.6007, 3.6782)
Luminance	0.0060 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0D0B37 #35370B

analogous

#0B1F37 #0D0B37 #230B37

triadic

#0D0B37 #370D0B #0B370D

tetradic

#0D0B37 #370B1F #35370B #0B3723

square

#0D0B37 #370B1F #35370B #0B3723

split-complementary

#0D0B37 #37230B #1F370B

monochromatic

#06051A #06051A #0D0B37 #19156A #251F9D

Accessibility & contrast

On white

18.75

#0D0B37 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.12

#0D0B37 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0D0B37

18.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0D0B37	#FFFFFF	#000000	##FFFFFF
##0D0B37	1.00	18.75	1.12	18.75
#FFFFFF	18.75	1.00	21.00	1.00
#000000	1.12	21.00	1.00	21.00
##FFFFFF	18.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001438

Deuteranopia (green-blind)

#001036

Tritanopia (blue-blind)

#00171F

Achromatopsia (no color)

#121212

Design tokens & code

CSS

--color: #0d0b37;
/* rgb */ color: rgb(13, 11, 55);
/* oklch */ color: oklch(18.9% 0.082 277.1);

Tailwind

colors: {
  custom: {
    50: '#524b6e',
    500: '#0d0b37',
    950: '#000000',
  },
}

SCSS

$custom: #0d0b37;
$custom-light: #524b6e;
$custom-dark: #000000;

JSON

{
  "hex": "#0d0b37",
  "rgb": {
    "r": 13,
    "g": 11,
    "b": 55
  },
  "hsl": {
    "h": 242.727,
    "s": 66.667,
    "l": 12.941
  },
  "oklch": {
    "l": 0.18926,
    "c": 0.0823,
    "h": 277.1
  },
  "luminance": 0.00601
}

Semantic roles & 50–950 ramp

primary

#0D0B37

secondary

#70742A

accent

#EA3EE2

background

#F4F4F6

surface

#E7E7EC

border

#C3C3C7

text

#020107

muted

#78777A

Preview Lab

Preview with #0D0B37

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

Preview Lab → · Contrast checker → · Palette generator →