#151D42#151D42

#151D42 is a very dark, moderate blue. Relative luminance 0.014; OKLCH L 24.7% C 0.071 H 271.2°. Best body text is #FFFFFF at 16.32:1 contrast (WCAG AA passes).

Color values

HEX	#151D42
RGB	rgb(21, 29, 66)
HSL	hsl(229, 52%, 17%)
HSV	hsv(229, 68%, 26%)
CMYK	cmyk(68.2%, 56.1%, 0%, 74.1%)
CIE-LAB	lab(12.17, 10.17, -24.64)
CIE-LCH	lch(12.17, 26.65, 292.42°)
OKLab	oklab(24.66% 0.0015 -0.0705)
OKLCH	oklch(24.66% 0.071 271.2)
XYZ	xyz(1.7317, 1.4314, 5.3382)
Luminance	0.0143 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#151D42 #423A15

analogous

#153442 #151D42 #241542

triadic

#151D42 #42151D #1D4215

tetradic

#151D42 #421534 #423A15 #154224

square

#151D42 #421534 #423A15 #154224

split-complementary

#151D42 #422415 #344215

monochromatic

#070A17 #070A17 #151D42 #243170 #33469F

Accessibility & contrast

On white

16.32

#151D42 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.29

#151D42 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #151D42

16.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##151D42	#FFFFFF	#000000	##FFFFFF
##151D42	1.00	16.32	1.29	16.32
#FFFFFF	16.32	1.00	21.00	1.00
#000000	1.29	21.00	1.00	21.00
##FFFFFF	16.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0A2243

Deuteranopia (green-blind)

#031E41

Tritanopia (blue-blind)

#00252C

Achromatopsia (no color)

#202020

Design tokens & code

CSS

--color: #151d42;
/* rgb */ color: rgb(21, 29, 66);
/* oklch */ color: oklch(24.7% 0.071 271.2);

Tailwind

colors: {
  custom: {
    50: '#585877',
    500: '#151d42',
    950: '#000000',
  },
}

SCSS

$custom: #151d42;
$custom-light: #585877;
$custom-dark: #000000;

JSON

{
  "hex": "#151d42",
  "rgb": {
    "r": 21,
    "g": 29,
    "b": 66
  },
  "hsl": {
    "h": 229.333,
    "s": 51.724,
    "l": 17.059
  },
  "oklch": {
    "l": 0.2466,
    "c": 0.07051,
    "h": 271.2
  },
  "luminance": 0.01432
}

Semantic roles & 50–950 ramp

primary

#151D42

secondary

#7A6E39

accent

#C24DDB

background

#F5F5F7

surface

#E9E9ED

border

#C5C5C8

text

#030308

muted

#78787B

Preview Lab

Preview with #151D42

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

Preview Lab → · Contrast checker → · Palette generator →