#0B152C#0B152C

#0B152C is a very dark, muted blue. Relative luminance 0.008; OKLCH L 20.1% C 0.048 H 264.7°. Best body text is #FFFFFF at 18.14:1 contrast (WCAG AA passes).

Color values

HEX	#0B152C
RGB	rgb(11, 21, 44)
HSL	hsl(222, 60%, 11%)
HSV	hsv(222, 75%, 17%)
CMYK	cmyk(75%, 52.3%, 0%, 82.7%)
CIE-LAB	lab(7.13, 4.52, -16.89)
CIE-LCH	lch(7.13, 17.48, 284.98°)
OKLab	oklab(20.07% -0.0045 -0.0483)
OKLCH	oklch(20.07% 0.048 264.7)
XYZ	xyz(0.8606, 0.7893, 2.4894)
Luminance	0.0079 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B152C #2C220B

analogous

#0B252C #0B152C #110B2C

triadic

#0B152C #2C0B15 #152C0B

tetradic

#0B152C #2C0B25 #2C220B #0B2C11

square

#0B152C #2C0B25 #2C220B #0B2C11

split-complementary

#0B152C #2C110B #252C0B

monochromatic

#060C18 #060C18 #0B152C #172C5D #23448E

Accessibility & contrast

On white

18.14

#0B152C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.16

#0B152C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B152C

18.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B152C	#FFFFFF	#000000	##FFFFFF
##0B152C	1.00	18.14	1.16	18.14
#FFFFFF	18.14	1.00	21.00	1.00
#000000	1.16	21.00	1.00	21.00
##FFFFFF	18.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0B172D

Deuteranopia (green-blind)

#06142C

Tritanopia (blue-blind)

#001A1E

Achromatopsia (no color)

#161616

Design tokens & code

CSS

--color: #0b152c;
/* rgb */ color: rgb(11, 21, 44);
/* oklch */ color: oklch(20.1% 0.048 264.7);

Tailwind

colors: {
  custom: {
    50: '#4d5165',
    500: '#0b152c',
    950: '#000000',
  },
}

SCSS

$custom: #0b152c;
$custom-light: #4d5165;
$custom-dark: #000000;

JSON

{
  "hex": "#0b152c",
  "rgb": {
    "r": 11,
    "g": 21,
    "b": 44
  },
  "hsl": {
    "h": 221.818,
    "s": 60,
    "l": 10.784
  },
  "oklch": {
    "l": 0.20068,
    "c": 0.04847,
    "h": 264.7
  },
  "luminance": 0.00789
}

Semantic roles & 50–950 ramp

primary

#0B152C

secondary

#68562B

accent

#B345E3

background

#F4F4F6

surface

#E7E7EB

border

#C3C3C6

text

#010205

muted

#77787A

Preview Lab

Preview with #0B152C

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

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