#151A2C#151A2C

#151A2C is a very dark, muted blue. Relative luminance 0.011; OKLCH L 22.2% C 0.036 H 271.4°. Best body text is #FFFFFF at 17.27:1 contrast (WCAG AA passes).

Color values

HEX	#151A2C
RGB	rgb(21, 26, 44)
HSL	hsl(227, 35%, 13%)
HSV	hsv(227, 52%, 17%)
CMYK	cmyk(52.3%, 40.9%, 0%, 82.7%)
CIE-LAB	lab(9.64, 3.70, -12.87)
CIE-LCH	lch(9.64, 13.39, 286.04°)
OKLab	oklab(22.24% 0.0009 -0.0361)
OKLCH	oklch(22.24% 0.036 271.4)
XYZ	xyz(1.1331, 1.0800, 2.5311)
Luminance	0.0108 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#151A2C #2C2715

analogous

#15252C #151A2C #1B152C

triadic

#151A2C #2C151A #1A2C15

tetradic

#151A2C #2C1525 #2C2715 #152C1B

square

#151A2C #2C1525 #2C2715 #152C1B

split-complementary

#151A2C #2C1B15 #252C15

monochromatic

#0A0C15 #0A0C15 #151A2C #293255 #3D4B7F

Accessibility & contrast

On white

17.27

#151A2C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.22

#151A2C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #151A2C

17.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##151A2C	#FFFFFF	#000000	##FFFFFF
##151A2C	1.00	17.27	1.22	17.27
#FFFFFF	17.27	1.00	21.00	1.00
#000000	1.22	21.00	1.00	21.00
##FFFFFF	17.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#141C2D

Deuteranopia (green-blind)

#121A2C

Tritanopia (blue-blind)

#0D1E21

Achromatopsia (no color)

#1B1B1B

Design tokens & code

CSS

--color: #151a2c;
/* rgb */ color: rgb(21, 26, 44);
/* oklch */ color: oklch(22.2% 0.036 271.4);

Tailwind

colors: {
  custom: {
    50: '#535665',
    500: '#151a2c',
    950: '#000000',
  },
}

SCSS

$custom: #151a2c;
$custom-light: #535665;
$custom-dark: #000000;

JSON

{
  "hex": "#151a2c",
  "rgb": {
    "r": 21,
    "g": 26,
    "b": 44
  },
  "hsl": {
    "h": 226.957,
    "s": 35.385,
    "l": 12.745
  },
  "oklch": {
    "l": 0.22236,
    "c": 0.03609,
    "h": 271.4
  },
  "luminance": 0.0108
}

Semantic roles & 50–950 ramp

primary

#151A2C

secondary

#62593B

accent

#B35CCB

background

#F4F5F6

surface

#E7E8EB

border

#C3C4C6

text

#020305

muted

#78787A

Preview Lab

Preview with #151A2C

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

Preview Lab → · Contrast checker → · Palette generator →