#151F2E#151F2E

#151F2E is a very dark, muted blue. Relative luminance 0.013; OKLCH L 23.7% C 0.032 H 258.3°. Best body text is #FFFFFF at 16.57:1 contrast (WCAG AA passes).

Color values

HEX	#151F2E
RGB	rgb(21, 31, 46)
HSL	hsl(216, 37%, 13%)
HSV	hsv(216, 54%, 18%)
CMYK	cmyk(54.3%, 32.6%, 0%, 82%)
CIE-LAB	lab(11.53, 0.67, -11.39)
CIE-LCH	lch(11.53, 11.41, 273.39°)
OKLab	oklab(23.74% -0.0066 -0.0318)
OKLCH	oklch(23.74% 0.032 258.3)
XYZ	xyz(1.2922, 1.3366, 2.7741)
Luminance	0.0134 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#151F2E #2E2415

analogous

#152B2E #151F2E #17152E

triadic

#151F2E #2E151F #1F2E15

tetradic

#151F2E #2E152B #2E2415 #152E17

square

#151F2E #2E152B #2E2415 #152E17

split-complementary

#151F2E #2E1715 #2B2E15

monochromatic

#0A0E15 #0A0E15 #151F2E #283B58 #3B5882

Accessibility & contrast

On white

16.57

#151F2E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.27

#151F2E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #151F2E

16.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##151F2E	#FFFFFF	#000000	##FFFFFF
##151F2E	1.00	16.57	1.27	16.57
#FFFFFF	16.57	1.00	21.00	1.00
#000000	1.27	21.00	1.00	21.00
##FFFFFF	16.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#19202F

Deuteranopia (green-blind)

#171D2E

Tritanopia (blue-blind)

#0B2224

Achromatopsia (no color)

#1F1F1F

Design tokens & code

CSS

--color: #151f2e;
/* rgb */ color: rgb(21, 31, 46);
/* oklch */ color: oklch(23.7% 0.032 258.3);

Tailwind

colors: {
  custom: {
    50: '#545a66',
    500: '#151f2e',
    950: '#000000',
  },
}

SCSS

$custom: #151f2e;
$custom-light: #545a66;
$custom-dark: #000000;

JSON

{
  "hex": "#151f2e",
  "rgb": {
    "r": 21,
    "g": 31,
    "b": 46
  },
  "hsl": {
    "h": 216,
    "s": 37.313,
    "l": 13.137
  },
  "oklch": {
    "l": 0.23743,
    "c": 0.03246,
    "h": 258.3
  },
  "luminance": 0.01337
}

Semantic roles & 50–950 ramp

primary

#151F2E

secondary

#64543B

accent

#9F5BCD

background

#F4F5F6

surface

#E7E9EB

border

#C3C5C6

text

#020306

muted

#78787A

Preview Lab

Preview with #151F2E

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

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