#0F152B#0F152B

#0F152B is a very dark, muted blue. Relative luminance 0.008; OKLCH L 20.3% C 0.045 H 270.5°. Best body text is #FFFFFF at 18.07:1 contrast (WCAG AA passes).

Color values

HEX	#0F152B
RGB	rgb(15, 21, 43)
HSL	hsl(227, 48%, 11%)
HSV	hsv(227, 65%, 17%)
CMYK	cmyk(65.1%, 51.2%, 0%, 83.1%)
CIE-LAB	lab(7.34, 5.23, -15.80)
CIE-LCH	lch(7.34, 16.64, 288.33°)
OKLab	oklab(20.29% 0.0004 -0.0449)
OKLCH	oklch(20.29% 0.045 270.5)
XYZ	xyz(0.9011, 0.8122, 2.3943)
Luminance	0.0081 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F152B #2B250F

analogous

#0F232B #0F152B #170F2B

triadic

#0F152B #2B0F15 #152B0F

tetradic

#0F152B #2B0F23 #2B250F #0F2B17

square

#0F152B #2B0F23 #2B250F #0F2B17

split-complementary

#0F152B #2B170F #232B0F

monochromatic

#080B17 #080B17 #0F152B #1F2B58 #2F4186

Accessibility & contrast

On white

18.07

#0F152B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.16

#0F152B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F152B

18.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F152B	#FFFFFF	#000000	##FFFFFF
##0F152B	1.00	18.07	1.16	18.07
#FFFFFF	18.07	1.00	21.00	1.00
#000000	1.16	21.00	1.00	21.00
##FFFFFF	18.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0C172C

Deuteranopia (green-blind)

#09152B

Tritanopia (blue-blind)

#041A1D

Achromatopsia (no color)

#161616

Design tokens & code

CSS

--color: #0f152b;
/* rgb */ color: rgb(15, 21, 43);
/* oklch */ color: oklch(20.3% 0.045 270.5);

Tailwind

colors: {
  custom: {
    50: '#505164',
    500: '#0f152b',
    950: '#000000',
  },
}

SCSS

$custom: #0f152b;
$custom-light: #505164;
$custom-dark: #000000;

JSON

{
  "hex": "#0f152b",
  "rgb": {
    "r": 15,
    "g": 21,
    "b": 43
  },
  "hsl": {
    "h": 227.143,
    "s": 48.276,
    "l": 11.373
  },
  "oklch": {
    "l": 0.20293,
    "c": 0.04489,
    "h": 270.5
  },
  "luminance": 0.00812
}

Semantic roles & 50–950 ramp

primary

#0F152B

secondary

#645932

accent

#BB50D8

background

#F4F4F6

surface

#E7E7EB

border

#C3C3C6

text

#020205

muted

#78787A

Preview Lab

Preview with #0F152B

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

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