#0F151F#0F151F

#0F151F is a very dark, muted blue. Relative luminance 0.007; OKLCH L 19.5% C 0.022 H 260.4°. Best body text is #FFFFFF at 18.30:1 contrast (WCAG AA passes).

Color values

HEX	#0F151F
RGB	rgb(15, 21, 31)
HSL	hsl(218, 35%, 9%)
HSV	hsv(218, 52%, 12%)
CMYK	cmyk(51.6%, 32.3%, 0%, 87.8%)
CIE-LAB	lab(6.66, 0.50, -7.80)
CIE-LCH	lch(6.66, 7.82, 273.63°)
OKLab	oklab(19.47% -0.0037 -0.022)
OKLCH	oklch(19.47% 0.022 260.4)
XYZ	xyz(0.7124, 0.7368, 1.4007)
Luminance	0.0074 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F151F #1F190F

analogous

#0F1D1F #0F151F #110F1F

triadic

#0F151F #1F0F15 #151F0F

tetradic

#0F151F #1F0F1D #1F190F #0F1F11

square

#0F151F #1F0F1D #1F190F #0F1F11

split-complementary

#0F151F #1F110F #1D1F0F

monochromatic

#0A0E15 #0A0E15 #0F151F #233148 #374D71

Accessibility & contrast

On white

18.30

#0F151F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.15

#0F151F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F151F

18.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F151F	#FFFFFF	#000000	##FFFFFF
##0F151F	1.00	18.30	1.15	18.30
#FFFFFF	18.30	1.00	21.00	1.00
#000000	1.15	21.00	1.00	21.00
##FFFFFF	18.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#11161F

Deuteranopia (green-blind)

#10141F

Tritanopia (blue-blind)

#0A1718

Achromatopsia (no color)

#151515

Design tokens & code

CSS

--color: #0f151f;
/* rgb */ color: rgb(15, 21, 31);
/* oklch */ color: oklch(19.5% 0.022 260.4);

Tailwind

colors: {
  custom: {
    50: '#4e525a',
    500: '#0f151f',
    950: '#000000',
  },
}

SCSS

$custom: #0f151f;
$custom-light: #4e525a;
$custom-dark: #000000;

JSON

{
  "hex": "#0f151f",
  "rgb": {
    "r": 15,
    "g": 21,
    "b": 31
  },
  "hsl": {
    "h": 217.5,
    "s": 34.783,
    "l": 9.02
  },
  "oklch": {
    "l": 0.19471,
    "c": 0.02236,
    "h": 260.4
  },
  "luminance": 0.00737
}

Semantic roles & 50–950 ramp

primary

#0F151F

secondary

#564934

accent

#A25DCB

background

#F4F4F5

surface

#E7E7E9

border

#C3C3C5

text

#010203

muted

#777878

Preview Lab

Preview with #0F151F

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

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