#151C42#151C42

#151C42 is a very dark, moderate blue. Relative luminance 0.014; OKLCH L 24.4% C 0.072 H 272.2°. Best body text is #FFFFFF at 16.45:1 contrast (WCAG AA passes).

Color values

HEX	#151C42
RGB	rgb(21, 28, 66)
HSL	hsl(231, 52%, 17%)
HSV	hsv(231, 68%, 26%)
CMYK	cmyk(68.2%, 57.6%, 0%, 74.1%)
CIE-LAB	lab(11.84, 10.93, -25.15)
CIE-LCH	lch(11.84, 27.43, 293.49°)
OKLab	oklab(24.42% 0.0027 -0.072)
OKLCH	oklch(24.42% 0.072 272.2)
XYZ	xyz(1.7076, 1.3831, 5.3302)
Luminance	0.0138 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#151C42 #423B15

analogous

#153342 #151C42 #251542

triadic

#151C42 #42151C #1C4215

tetradic

#151C42 #421533 #423B15 #154225

square

#151C42 #421533 #423B15 #154225

split-complementary

#151C42 #422515 #334215

monochromatic

#070A17 #070A17 #151C42 #243070 #33439F

Accessibility & contrast

On white

16.45

#151C42 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.28

#151C42 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #151C42

16.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##151C42	#FFFFFF	#000000	##FFFFFF
##151C42	1.00	16.45	1.28	16.45
#FFFFFF	16.45	1.00	21.00	1.00
#000000	1.28	21.00	1.00	21.00
##FFFFFF	16.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#072143

Deuteranopia (green-blind)

#011D41

Tritanopia (blue-blind)

#00252B

Achromatopsia (no color)

#1F1F1F

Design tokens & code

CSS

--color: #151c42;
/* rgb */ color: rgb(21, 28, 66);
/* oklch */ color: oklch(24.4% 0.072 272.2);

Tailwind

colors: {
  custom: {
    50: '#585777',
    500: '#151c42',
    950: '#000000',
  },
}

SCSS

$custom: #151c42;
$custom-light: #585777;
$custom-dark: #000000;

JSON

{
  "hex": "#151c42",
  "rgb": {
    "r": 21,
    "g": 28,
    "b": 66
  },
  "hsl": {
    "h": 230.667,
    "s": 51.724,
    "l": 17.059
  },
  "oklch": {
    "l": 0.24418,
    "c": 0.07207,
    "h": 272.2
  },
  "luminance": 0.01383
}

Semantic roles & 50–950 ramp

primary

#151C42

secondary

#7A7039

accent

#C54DDB

background

#F5F5F7

surface

#E9E9ED

border

#C5C5C8

text

#030308

muted

#78787B

Preview Lab

Preview with #151C42

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

Preview Lab → · Contrast checker → · Palette generator →