#151D2C#151D2C

#151D2C is a very dark, muted blue. Relative luminance 0.012; OKLCH L 23.1% C 0.032 H 262.5°. Best body text is #FFFFFF at 16.88:1 contrast (WCAG AA passes).

Color values

HEX	#151D2C
RGB	rgb(21, 29, 44)
HSL	hsl(219, 35%, 13%)
HSV	hsv(219, 52%, 17%)
CMYK	cmyk(52.3%, 34.1%, 0%, 82.7%)
CIE-LAB	lab(10.70, 1.43, -11.21)
CIE-LCH	lch(10.70, 11.30, 277.25°)
OKLab	oklab(23.06% -0.0041 -0.0313)
OKLCH	oklch(23.06% 0.032 262.5)
XYZ	xyz(1.2031, 1.2199, 2.5545)
Luminance	0.0122 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#151D2C #2C2415

analogous

#15282C #151D2C #18152C

triadic

#151D2C #2C151D #1D2C15

tetradic

#151D2C #2C1528 #2C2415 #152C18

square

#151D2C #2C1528 #2C2415 #152C18

split-complementary

#151D2C #2C1815 #282C15

monochromatic

#0A0E15 #0A0E15 #151D2C #293855 #3D547F

Accessibility & contrast

On white

16.88

#151D2C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.24

#151D2C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #151D2C

16.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##151D2C	#FFFFFF	#000000	##FFFFFF
##151D2C	1.00	16.88	1.24	16.88
#FFFFFF	16.88	1.00	21.00	1.00
#000000	1.24	21.00	1.00	21.00
##FFFFFF	16.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#181E2D

Deuteranopia (green-blind)

#151C2C

Tritanopia (blue-blind)

#0D2022

Achromatopsia (no color)

#1D1D1D

Design tokens & code

CSS

--color: #151d2c;
/* rgb */ color: rgb(21, 29, 44);
/* oklch */ color: oklch(23.1% 0.032 262.5);

Tailwind

colors: {
  custom: {
    50: '#535865',
    500: '#151d2c',
    950: '#000000',
  },
}

SCSS

$custom: #151d2c;
$custom-light: #535865;
$custom-dark: #000000;

JSON

{
  "hex": "#151d2c",
  "rgb": {
    "r": 21,
    "g": 29,
    "b": 44
  },
  "hsl": {
    "h": 219.13,
    "s": 35.385,
    "l": 12.745
  },
  "oklch": {
    "l": 0.23062,
    "c": 0.03156,
    "h": 262.5
  },
  "luminance": 0.0122
}

Semantic roles & 50–950 ramp

primary

#151D2C

secondary

#62543B

accent

#A55CCB

background

#F4F5F6

surface

#E7E9EB

border

#C3C5C6

text

#020305

muted

#78787A

Preview Lab

Preview with #151D2C

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

Preview Lab → · Contrast checker → · Palette generator →