#151C44#151C44

#151C44 is a very dark, moderate blue. Relative luminance 0.014; OKLCH L 24.6% C 0.075 H 272.2°. Best body text is #FFFFFF at 16.39:1 contrast (WCAG AA passes).

Color values

HEX	#151C44
RGB	rgb(21, 28, 68)
HSL	hsl(231, 53%, 17%)
HSV	hsv(231, 69%, 27%)
CMYK	cmyk(69.1%, 58.8%, 0%, 73.3%)
CIE-LAB	lab(12.00, 11.76, -26.30)
CIE-LCH	lch(12.00, 28.81, 294.09°)
OKLab	oklab(24.59% 0.0029 -0.0754)
OKLCH	oklch(24.59% 0.075 272.2)
XYZ	xyz(1.7676, 1.4071, 5.6462)
Luminance	0.0141 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#151C44 #443D15

analogous

#153344 #151C44 #261544

triadic

#151C44 #44151C #1C4415

tetradic

#151C44 #441533 #443D15 #154426

square

#151C44 #441533 #443D15 #154426

split-complementary

#151C44 #442615 #334415

monochromatic

#070A17 #070A17 #151C44 #232F73 #3243A2

Accessibility & contrast

On white

16.39

#151C44 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.28

#151C44 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #151C44

16.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##151C44	#FFFFFF	#000000	##FFFFFF
##151C44	1.00	16.39	1.28	16.39
#FFFFFF	16.39	1.00	21.00	1.00
#000000	1.28	21.00	1.00	21.00
##FFFFFF	16.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#052245

Deuteranopia (green-blind)

#001E43

Tritanopia (blue-blind)

#00252C

Achromatopsia (no color)

#202020

Design tokens & code

CSS

--color: #151c44;
/* rgb */ color: rgb(21, 28, 68);
/* oklch */ color: oklch(24.6% 0.075 272.2);

Tailwind

colors: {
  custom: {
    50: '#585778',
    500: '#151c44',
    950: '#000000',
  },
}

SCSS

$custom: #151c44;
$custom-light: #585778;
$custom-dark: #000000;

JSON

{
  "hex": "#151c44",
  "rgb": {
    "r": 21,
    "g": 28,
    "b": 68
  },
  "hsl": {
    "h": 231.064,
    "s": 52.809,
    "l": 17.451
  },
  "oklch": {
    "l": 0.2459,
    "c": 0.07544,
    "h": 272.2
  },
  "luminance": 0.01407
}

Semantic roles & 50–950 ramp

primary

#151C44

secondary

#7C7239

accent

#C74CDC

background

#F5F5F7

surface

#E9E9ED

border

#C5C5C8

text

#040309

muted

#79787B

Preview Lab

Preview with #151C44

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

Preview Lab → · Contrast checker → · Palette generator →