#151A41#151A41

#151A41 is a very dark, moderate blue. Relative luminance 0.013; OKLCH L 23.9% C 0.074 H 273.9°. Best body text is #FFFFFF at 16.72:1 contrast (WCAG AA passes).

Color values

HEX	#151A41
RGB	rgb(21, 26, 65)
HSL	hsl(233, 51%, 17%)
HSV	hsv(233, 68%, 25%)
CMYK	cmyk(67.7%, 60%, 0%, 74.5%)
CIE-LAB	lab(11.13, 12.05, -25.60)
CIE-LCH	lch(11.13, 28.30, 295.21°)
OKLab	oklab(23.86% 0.0051 -0.0733)
OKLCH	oklch(23.86% 0.074 273.9)
XYZ	xyz(1.6325, 1.2797, 5.1610)
Luminance	0.0128 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#151A41 #413C15

analogous

#153041 #151A41 #261541

triadic

#151A41 #41151A #1A4115

tetradic

#151A41 #411530 #413C15 #154126

square

#151A41 #411530 #413C15 #154126

split-complementary

#151A41 #412615 #304115

monochromatic

#070917 #070917 #151A41 #242D6F #333F9E

Accessibility & contrast

On white

16.72

#151A41 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.26

#151A41 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #151A41

16.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##151A41	#FFFFFF	#000000	##FFFFFF
##151A41	1.00	16.72	1.26	16.72
#FFFFFF	16.72	1.00	21.00	1.00
#000000	1.26	21.00	1.00	21.00
##FFFFFF	16.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#042042

Deuteranopia (green-blind)

#001C40

Tritanopia (blue-blind)

#00232A

Achromatopsia (no color)

#1E1E1E

Design tokens & code

CSS

--color: #151a41;
/* rgb */ color: rgb(21, 26, 65);
/* oklch */ color: oklch(23.9% 0.074 273.9);

Tailwind

colors: {
  custom: {
    50: '#585676',
    500: '#151a41',
    950: '#000000',
  },
}

SCSS

$custom: #151a41;
$custom-light: #585676;
$custom-dark: #000000;

JSON

{
  "hex": "#151a41",
  "rgb": {
    "r": 21,
    "g": 26,
    "b": 65
  },
  "hsl": {
    "h": 233.182,
    "s": 51.163,
    "l": 16.863
  },
  "oklch": {
    "l": 0.23856,
    "c": 0.07352,
    "h": 273.9
  },
  "luminance": 0.0128
}

Semantic roles & 50–950 ramp

primary

#151A41

secondary

#797239

accent

#CB4DDB

background

#F5F5F7

surface

#E9E9ED

border

#C5C5C8

text

#030308

muted

#78787B

Preview Lab

Preview with #151A41

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

Preview Lab → · Contrast checker → · Palette generator →