#151D41#151D41

#151D41 is a very dark, moderate blue. Relative luminance 0.014; OKLCH L 24.6% C 0.069 H 271.1°. Best body text is #FFFFFF at 16.36:1 contrast (WCAG AA passes).

Color values

HEX	#151D41
RGB	rgb(21, 29, 65)
HSL	hsl(229, 51%, 17%)
HSV	hsv(229, 68%, 25%)
CMYK	cmyk(67.7%, 55.4%, 0%, 74.5%)
CIE-LAB	lab(12.09, 9.75, -24.06)
CIE-LCH	lch(12.09, 25.96, 292.06°)
OKLab	oklab(24.58% 0.0013 -0.0688)
OKLCH	oklch(24.58% 0.069 271.1)
XYZ	xyz(1.7024, 1.4197, 5.1843)
Luminance	0.0142 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#151D41 #413915

analogous

#153341 #151D41 #231541

triadic

#151D41 #41151D #1D4115

tetradic

#151D41 #411533 #413915 #154123

square

#151D41 #411533 #413915 #154123

split-complementary

#151D41 #412315 #334115

monochromatic

#070A17 #070A17 #151D41 #24326F #33469E

Accessibility & contrast

On white

16.36

#151D41 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.28

#151D41 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #151D41

16.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##151D41	#FFFFFF	#000000	##FFFFFF
##151D41	1.00	16.36	1.28	16.36
#FFFFFF	16.36	1.00	21.00	1.00
#000000	1.28	21.00	1.00	21.00
##FFFFFF	16.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0B2242

Deuteranopia (green-blind)

#041E40

Tritanopia (blue-blind)

#00252B

Achromatopsia (no color)

#202020

Design tokens & code

CSS

--color: #151d41;
/* rgb */ color: rgb(21, 29, 65);
/* oklch */ color: oklch(24.6% 0.069 271.1);

Tailwind

colors: {
  custom: {
    50: '#575876',
    500: '#151d41',
    950: '#000000',
  },
}

SCSS

$custom: #151d41;
$custom-light: #575876;
$custom-dark: #000000;

JSON

{
  "hex": "#151d41",
  "rgb": {
    "r": 21,
    "g": 29,
    "b": 65
  },
  "hsl": {
    "h": 229.091,
    "s": 51.163,
    "l": 16.863
  },
  "oklch": {
    "l": 0.24577,
    "c": 0.0688,
    "h": 271.1
  },
  "luminance": 0.0142
}

Semantic roles & 50–950 ramp

primary

#151D41

secondary

#796D39

accent

#C14DDB

background

#F5F5F7

surface

#E9E9ED

border

#C5C5C8

text

#030308

muted

#78787B

Preview Lab

Preview with #151D41

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

Preview Lab → · Contrast checker → · Palette generator →