#0B1156#0B1156

#0B1156 is a very dark, vivid blue. Relative luminance 0.011; OKLCH L 23.6% C 0.121 H 269.3°. Best body text is #FFFFFF at 17.09:1 contrast (WCAG AA passes).

Color values

HEX	#0B1156
RGB	rgb(11, 17, 86)
HSL	hsl(235, 77%, 19%)
HSV	hsv(235, 87%, 34%)
CMYK	cmyk(87.2%, 80.2%, 0%, 66.3%)
CIE-LAB	lab(10.14, 25.79, -41.79)
CIE-LCH	lch(10.14, 49.11, 301.68°)
OKLab	oklab(23.61% -0.0015 -0.1211)
OKLCH	oklch(23.61% 0.121 269.3)
XYZ	xyz(2.0176, 1.1437, 8.9167)
Luminance	0.0114 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B1156 #56500B

analogous

#0B3756 #0B1156 #2B0B56

triadic

#0B1156 #560B11 #11560B

tetradic

#0B1156 #560B37 #56500B #0B562B

square

#0B1156 #560B37 #56500B #0B562B

split-complementary

#0B1156 #562B0B #37560B

monochromatic

#03051B #040620 #0B1156 #121C8C #1926C3

Accessibility & contrast

On white

17.09

#0B1156 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.23

#0B1156 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B1156

17.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B1156	#FFFFFF	#000000	##FFFFFF
##0B1156	1.00	17.09	1.23	17.09
#FFFFFF	17.09	1.00	21.00	1.00
#000000	1.23	21.00	1.00	21.00
##FFFFFF	17.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001F58

Deuteranopia (green-blind)

#001855

Tritanopia (blue-blind)

#002532

Achromatopsia (no color)

#1C1C1C

Design tokens & code

CSS

--color: #0b1156;
/* rgb */ color: rgb(11, 17, 86);
/* oklch */ color: oklch(23.6% 0.121 269.3);

Tailwind

colors: {
  custom: {
    50: '#5b4f87',
    500: '#0b1156',
    950: '#000000',
  },
}

SCSS

$custom: #0b1156;
$custom-light: #5b4f87;
$custom-dark: #000000;

JSON

{
  "hex": "#0b1156",
  "rgb": {
    "r": 11,
    "g": 17,
    "b": 86
  },
  "hsl": {
    "h": 235.2,
    "s": 77.32,
    "l": 19.02
  },
  "oklch": {
    "l": 0.23607,
    "c": 0.12109,
    "h": 269.3
  },
  "luminance": 0.01144
}

Semantic roles & 50–950 ramp

primary

#0B1156

secondary

#91892B

accent

#E434F4

background

#F5F4F8

surface

#E9E7EF

border

#C5C3CA

text

#04020B

muted

#79787C

Preview Lab

Preview with #0B1156

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

Preview Lab → · Contrast checker → · Palette generator →