#151B29#151B29

#151B29 is a very dark, muted blue. Relative luminance 0.011; OKLCH L 22.3% C 0.029 H 266.2°. Best body text is #FFFFFF at 17.20:1 contrast (WCAG AA passes).

Color values

HEX	#151B29
RGB	rgb(21, 27, 41)
HSL	hsl(222, 32%, 12%)
HSV	hsv(222, 49%, 16%)
CMYK	cmyk(48.8%, 34.1%, 0%, 83.9%)
CIE-LAB	lab(9.82, 1.83, -10.38)
CIE-LCH	lch(9.82, 10.54, 280.01°)
OKLab	oklab(22.32% -0.0019 -0.0289)
OKLCH	oklch(22.32% 0.029 266.2)
XYZ	xyz(1.1013, 1.1033, 2.2523)
Luminance	0.0110 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#151B29 #292315

analogous

#152529 #151B29 #191529

triadic

#151B29 #29151B #1B2915

tetradic

#151B29 #291525 #292315 #152919

square

#151B29 #291525 #292315 #152919

split-complementary

#151B29 #291915 #252915

monochromatic

#0A0D14 #0A0D14 #151B29 #2A3651 #3E507A

Accessibility & contrast

On white

17.20

#151B29 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.22

#151B29 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #151B29

17.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##151B29	#FFFFFF	#000000	##FFFFFF
##151B29	1.00	17.20	1.22	17.20
#FFFFFF	17.20	1.00	21.00	1.00
#000000	1.22	21.00	1.00	21.00
##FFFFFF	17.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#161C2A

Deuteranopia (green-blind)

#141A29

Tritanopia (blue-blind)

#0F1E20

Achromatopsia (no color)

#1B1B1B

Design tokens & code

CSS

--color: #151b29;
/* rgb */ color: rgb(21, 27, 41);
/* oklch */ color: oklch(22.3% 0.029 266.2);

Tailwind

colors: {
  custom: {
    50: '#535762',
    500: '#151b29',
    950: '#000000',
  },
}

SCSS

$custom: #151b29;
$custom-light: #535762;
$custom-dark: #000000;

JSON

{
  "hex": "#151b29",
  "rgb": {
    "r": 21,
    "g": 27,
    "b": 41
  },
  "hsl": {
    "h": 222,
    "s": 32.258,
    "l": 12.157
  },
  "oklch": {
    "l": 0.22322,
    "c": 0.02895,
    "h": 266.2
  },
  "luminance": 0.01103
}

Semantic roles & 50–950 ramp

primary

#151B29

secondary

#5E543C

accent

#A95FC8

background

#F4F5F5

surface

#E7E9EA

border

#C3C5C6

text

#020305

muted

#787879

Preview Lab

Preview with #151B29

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

Preview Lab → · Contrast checker → · Palette generator →