#0F152A#0F152A

#0F152A is a very dark, muted blue. Relative luminance 0.008; OKLCH L 20.2% C 0.043 H 270.2°. Best body text is #FFFFFF at 18.09:1 contrast (WCAG AA passes).

Color values

HEX	#0F152A
RGB	rgb(15, 21, 42)
HSL	hsl(227, 47%, 11%)
HSV	hsv(227, 64%, 16%)
CMYK	cmyk(64.3%, 50%, 0%, 83.5%)
CIE-LAB	lab(7.27, 4.80, -15.15)
CIE-LCH	lch(7.27, 15.90, 287.57°)
OKLab	oklab(20.22% 0.0001 -0.043)
OKLCH	oklch(20.22% 0.043 270.2)
XYZ	xyz(0.8829, 0.8050, 2.2989)
Luminance	0.0080 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F152A #2A240F

analogous

#0F222A #0F152A #160F2A

triadic

#0F152A #2A0F15 #152A0F

tetradic

#0F152A #2A0F22 #2A240F #0F2A16

square

#0F152A #2A0F22 #2A240F #0F2A16

split-complementary

#0F152A #2A160F #222A0F

monochromatic

#080B17 #080B17 #0F152A #1F2C57 #2F4284

Accessibility & contrast

On white

18.09

#0F152A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.16

#0F152A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F152A

18.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F152A	#FFFFFF	#000000	##FFFFFF
##0F152A	1.00	18.09	1.16	18.09
#FFFFFF	18.09	1.00	21.00	1.00
#000000	1.16	21.00	1.00	21.00
##FFFFFF	18.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0D172B

Deuteranopia (green-blind)

#0A152A

Tritanopia (blue-blind)

#041A1D

Achromatopsia (no color)

#161616

Design tokens & code

CSS

--color: #0f152a;
/* rgb */ color: rgb(15, 21, 42);
/* oklch */ color: oklch(20.2% 0.043 270.2);

Tailwind

colors: {
  custom: {
    50: '#4f5263',
    500: '#0f152a',
    950: '#000000',
  },
}

SCSS

$custom: #0f152a;
$custom-light: #4f5263;
$custom-dark: #000000;

JSON

{
  "hex": "#0f152a",
  "rgb": {
    "r": 15,
    "g": 21,
    "b": 42
  },
  "hsl": {
    "h": 226.667,
    "s": 47.368,
    "l": 11.176
  },
  "oklch": {
    "l": 0.20217,
    "c": 0.04303,
    "h": 270.2
  },
  "luminance": 0.00805
}

Semantic roles & 50–950 ramp

primary

#0F152A

secondary

#635832

accent

#B951D7

background

#F4F4F5

surface

#E7E7EA

border

#C3C3C6

text

#020205

muted

#787879

Preview Lab

Preview with #0F152A

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

Preview Lab → · Contrast checker → · Palette generator →