#151A37#151A37

#151A37 is a very dark, muted blue. Relative luminance 0.012; OKLCH L 23.0% C 0.056 H 273.8°. Best body text is #FFFFFF at 17.01:1 contrast (WCAG AA passes).

Color values

HEX	#151A37
RGB	rgb(21, 26, 55)
HSL	hsl(231, 45%, 15%)
HSV	hsv(231, 62%, 22%)
CMYK	cmyk(61.8%, 52.7%, 0%, 78.4%)
CIE-LAB	lab(10.36, 7.99, -19.72)
CIE-LCH	lch(10.36, 21.28, 292.04°)
OKLab	oklab(23.03% 0.0037 -0.0561)
OKLCH	oklch(23.03% 0.056 273.8)
XYZ	xyz(1.3680, 1.1740, 3.7682)
Luminance	0.0117 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#151A37 #373215

analogous

#152B37 #151A37 #211537

triadic

#151A37 #37151A #1A3715

tetradic

#151A37 #37152B #373215 #153721

square

#151A37 #37152B #373215 #153721

split-complementary

#151A37 #372115 #2B3715

monochromatic

#080A16 #080A16 #151A37 #262F63 #374490

Accessibility & contrast

On white

17.01

#151A37 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.23

#151A37 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #151A37

17.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##151A37	#FFFFFF	#000000	##FFFFFF
##151A37	1.00	17.01	1.23	17.01
#FFFFFF	17.01	1.00	21.00	1.00
#000000	1.23	21.00	1.00	21.00
##FFFFFF	17.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0D1E38

Deuteranopia (green-blind)

#0A1B36

Tritanopia (blue-blind)

#062025

Achromatopsia (no color)

#1C1C1C

Design tokens & code

CSS

--color: #151a37;
/* rgb */ color: rgb(21, 26, 55);
/* oklch */ color: oklch(23.0% 0.056 273.8);

Tailwind

colors: {
  custom: {
    50: '#55566e',
    500: '#151a37',
    950: '#000000',
  },
}

SCSS

$custom: #151a37;
$custom-light: #55566e;
$custom-dark: #000000;

JSON

{
  "hex": "#151a37",
  "rgb": {
    "r": 21,
    "g": 26,
    "b": 55
  },
  "hsl": {
    "h": 231.176,
    "s": 44.737,
    "l": 14.902
  },
  "oklch": {
    "l": 0.23027,
    "c": 0.05619,
    "h": 273.8
  },
  "luminance": 0.01174
}

Semantic roles & 50–950 ramp

primary

#151A37

secondary

#6E663A

accent

#C153D4

background

#F5F5F6

surface

#E9E8EB

border

#C5C4C6

text

#030307

muted

#78787A

Preview Lab

Preview with #151A37

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

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