#0B1941#0B1941

#0B1941 is a very dark, moderate blue. Relative luminance 0.011; OKLCH L 23.0% C 0.079 H 265.8°. Best body text is #FFFFFF at 17.08:1 contrast (WCAG AA passes).

Color values

HEX	#0B1941
RGB	rgb(11, 25, 65)
HSL	hsl(224, 71%, 15%)
HSV	hsv(224, 83%, 25%)
CMYK	cmyk(83.1%, 61.5%, 0%, 74.5%)
CIE-LAB	lab(10.17, 10.91, -27.19)
CIE-LCH	lch(10.17, 29.30, 291.87°)
OKLab	oklab(22.96% -0.0057 -0.0783)
OKLCH	oklch(22.96% 0.079 265.8)
XYZ	xyz(1.4394, 1.1479, 5.1457)
Luminance	0.0115 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B1941 #41330B

analogous

#0B3441 #0B1941 #180B41

triadic

#0B1941 #410B19 #19410B

tetradic

#0B1941 #410B34 #41330B #0B4118

square

#0B1941 #410B34 #41330B #0B4118

split-complementary

#0B1941 #41180B #34410B

monochromatic

#040A1A #040A1A #0B1941 #142D75 #1D41AA

Accessibility & contrast

On white

17.08

#0B1941 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.23

#0B1941 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B1941

17.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B1941	#FFFFFF	#000000	##FFFFFF
##0B1941	1.00	17.08	1.23	17.08
#FFFFFF	17.08	1.00	21.00	1.00
#000000	1.23	21.00	1.00	21.00
##FFFFFF	17.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001E42

Deuteranopia (green-blind)

#001940

Tritanopia (blue-blind)

#00232A

Achromatopsia (no color)

#1C1C1C

Design tokens & code

CSS

--color: #0b1941;
/* rgb */ color: rgb(11, 25, 65);
/* oklch */ color: oklch(23.0% 0.079 265.8);

Tailwind

colors: {
  custom: {
    50: '#535576',
    500: '#0b1941',
    950: '#000000',
  },
}

SCSS

$custom: #0b1941;
$custom-light: #535576;
$custom-dark: #000000;

JSON

{
  "hex": "#0b1941",
  "rgb": {
    "r": 11,
    "g": 25,
    "b": 65
  },
  "hsl": {
    "h": 224.444,
    "s": 71.053,
    "l": 14.902
  },
  "oklch": {
    "l": 0.22955,
    "c": 0.07853,
    "h": 265.8
  },
  "luminance": 0.01148
}

Semantic roles & 50–950 ramp

primary

#0B1941

secondary

#7E682A

accent

#BF3AEE

background

#F5F4F7

surface

#E9E7ED

border

#C5C3C8

text

#030208

muted

#78787B

Preview Lab

Preview with #0B1941

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

Preview Lab → · Contrast checker → · Palette generator →