#151D44#151D44

#151D44 is a very dark, moderate blue. Relative luminance 0.015; OKLCH L 24.8% C 0.074 H 271.3°. Best body text is #FFFFFF at 16.26:1 contrast (WCAG AA passes).

Color values

HEX	#151D44
RGB	rgb(21, 29, 68)
HSL	hsl(230, 53%, 17%)
HSV	hsv(230, 69%, 27%)
CMYK	cmyk(69.1%, 57.4%, 0%, 73.3%)
CIE-LAB	lab(12.32, 10.99, -25.79)
CIE-LCH	lch(12.32, 28.03, 293.09°)
OKLab	oklab(24.83% 0.0017 -0.0739)
OKLCH	oklch(24.83% 0.074 271.3)
XYZ	xyz(1.7917, 1.4554, 5.6542)
Luminance	0.0146 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#151D44 #443C15

analogous

#153544 #151D44 #241544

triadic

#151D44 #44151D #1D4415

tetradic

#151D44 #441535 #443C15 #154424

square

#151D44 #441535 #443C15 #154424

split-complementary

#151D44 #442415 #354415

monochromatic

#070A17 #070A17 #151D44 #233173 #3245A2

Accessibility & contrast

On white

16.26

#151D44 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.29

#151D44 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #151D44

16.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##151D44	#FFFFFF	#000000	##FFFFFF
##151D44	1.00	16.26	1.29	16.26
#FFFFFF	16.26	1.00	21.00	1.00
#000000	1.29	21.00	1.00	21.00
##FFFFFF	16.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#072245

Deuteranopia (green-blind)

#001E43

Tritanopia (blue-blind)

#00262D

Achromatopsia (no color)

#202020

Design tokens & code

CSS

--color: #151d44;
/* rgb */ color: rgb(21, 29, 68);
/* oklch */ color: oklch(24.8% 0.074 271.3);

Tailwind

colors: {
  custom: {
    50: '#585878',
    500: '#151d44',
    950: '#000000',
  },
}

SCSS

$custom: #151d44;
$custom-light: #585878;
$custom-dark: #000000;

JSON

{
  "hex": "#151d44",
  "rgb": {
    "r": 21,
    "g": 29,
    "b": 68
  },
  "hsl": {
    "h": 229.787,
    "s": 52.809,
    "l": 17.451
  },
  "oklch": {
    "l": 0.24829,
    "c": 0.07388,
    "h": 271.3
  },
  "luminance": 0.01456
}

Semantic roles & 50–950 ramp

primary

#151D44

secondary

#7C7039

accent

#C44CDC

background

#F5F5F7

surface

#E9E9ED

border

#C5C5C8

text

#040309

muted

#79787B

Preview Lab

Preview with #151D44

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

Preview Lab → · Contrast checker → · Palette generator →