#151C47#151C47

#151C47 is a very dark, moderate blue. Relative luminance 0.014; OKLCH L 24.9% C 0.080 H 272.2°. Best body text is #FFFFFF at 16.29:1 contrast (WCAG AA passes).

Color values

HEX	#151C47
RGB	rgb(21, 28, 71)
HSL	hsl(232, 54%, 18%)
HSV	hsv(232, 70%, 28%)
CMYK	cmyk(70.4%, 60.6%, 0%, 72.2%)
CIE-LAB	lab(12.25, 13.00, -27.99)
CIE-LCH	lch(12.25, 30.86, 294.91°)
OKLab	oklab(24.86% 0.0032 -0.0803)
OKLCH	oklch(24.86% 0.08 272.2)
XYZ	xyz(1.8615, 1.4447, 6.1408)
Luminance	0.0144 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#151C47 #474015

analogous

#153547 #151C47 #271547

triadic

#151C47 #47151C #1C4715

tetradic

#151C47 #471535 #474015 #154727

square

#151C47 #471535 #474015 #154727

split-complementary

#151C47 #472715 #354715

monochromatic

#070918 #070918 #151C47 #232F76 #3141A5

Accessibility & contrast

On white

16.29

#151C47 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.29

#151C47 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #151C47

16.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##151C47	#FFFFFF	#000000	##FFFFFF
##151C47	1.00	16.29	1.29	16.29
#FFFFFF	16.29	1.00	21.00	1.00
#000000	1.29	21.00	1.00	21.00
##FFFFFF	16.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#022248

Deuteranopia (green-blind)

#001E46

Tritanopia (blue-blind)

#00262E

Achromatopsia (no color)

#202020

Design tokens & code

CSS

--color: #151c47;
/* rgb */ color: rgb(21, 28, 71);
/* oklch */ color: oklch(24.9% 0.080 272.2);

Tailwind

colors: {
  custom: {
    50: '#59577b',
    500: '#151c47',
    950: '#000000',
  },
}

SCSS

$custom: #151c47;
$custom-light: #59577b;
$custom-dark: #000000;

JSON

{
  "hex": "#151c47",
  "rgb": {
    "r": 21,
    "g": 28,
    "b": 71
  },
  "hsl": {
    "h": 231.6,
    "s": 54.348,
    "l": 18.039
  },
  "oklch": {
    "l": 0.24855,
    "c": 0.08041,
    "h": 272.2
  },
  "luminance": 0.01445
}

Semantic roles & 50–950 ramp

primary

#151C47

secondary

#7F7539

accent

#C94ADE

background

#F5F5F7

surface

#E9E9ED

border

#C5C5C8

text

#040309

muted

#79787B

Preview Lab

Preview with #151C47

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

Preview Lab → · Contrast checker → · Palette generator →