#151E41#151E41

#151E41 is a very dark, moderate blue. Relative luminance 0.015; OKLCH L 24.8% C 0.067 H 270.1°. Best body text is #FFFFFF at 16.23:1 contrast (WCAG AA passes).

Color values

HEX	#151E41
RGB	rgb(21, 30, 65)
HSL	hsl(228, 51%, 17%)
HSV	hsv(228, 68%, 25%)
CMYK	cmyk(67.7%, 53.8%, 0%, 74.5%)
CIE-LAB	lab(12.41, 8.99, -23.54)
CIE-LCH	lch(12.41, 25.20, 290.89°)
OKLab	oklab(24.82% 0.0001 -0.0672)
OKLCH	oklch(24.82% 0.067 270.1)
XYZ	xyz(1.7273, 1.4695, 5.1926)
Luminance	0.0147 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#151E41 #413815

analogous

#153441 #151E41 #221541

triadic

#151E41 #41151E #1E4115

tetradic

#151E41 #411534 #413815 #154122

square

#151E41 #411534 #413815 #154122

split-complementary

#151E41 #412215 #344115

monochromatic

#070B17 #070B17 #151E41 #24336F #33499E

Accessibility & contrast

On white

16.23

#151E41 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.29

#151E41 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #151E41

16.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##151E41	#FFFFFF	#000000	##FFFFFF
##151E41	1.00	16.23	1.29	16.23
#FFFFFF	16.23	1.00	21.00	1.00
#000000	1.29	21.00	1.00	21.00
##FFFFFF	16.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0D2242

Deuteranopia (green-blind)

#061E40

Tritanopia (blue-blind)

#00262C

Achromatopsia (no color)

#202020

Design tokens & code

CSS

--color: #151e41;
/* rgb */ color: rgb(21, 30, 65);
/* oklch */ color: oklch(24.8% 0.067 270.1);

Tailwind

colors: {
  custom: {
    50: '#575976',
    500: '#151e41',
    950: '#000000',
  },
}

SCSS

$custom: #151e41;
$custom-light: #575976;
$custom-dark: #000000;

JSON

{
  "hex": "#151e41",
  "rgb": {
    "r": 21,
    "g": 30,
    "b": 65
  },
  "hsl": {
    "h": 227.727,
    "s": 51.163,
    "l": 16.863
  },
  "oklch": {
    "l": 0.24824,
    "c": 0.06724,
    "h": 270.1
  },
  "luminance": 0.0147
}

Semantic roles & 50–950 ramp

primary

#151E41

secondary

#796C39

accent

#BE4DDB

background

#F5F5F7

surface

#E9E9ED

border

#C5C5C8

text

#030308

muted

#78787B

Preview Lab

Preview with #151E41

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

Preview Lab → · Contrast checker → · Palette generator →