#151C36#151C36

#151C36 is a very dark, muted blue. Relative luminance 0.013; OKLCH L 23.5% C 0.051 H 270.7°. Best body text is #FFFFFF at 16.78:1 contrast (WCAG AA passes).

Color values

HEX	#151C36
RGB	rgb(21, 28, 54)
HSL	hsl(227, 44%, 15%)
HSV	hsv(227, 61%, 21%)
CMYK	cmyk(61.1%, 48.1%, 0%, 78.8%)
CIE-LAB	lab(10.97, 6.05, -18.04)
CIE-LCH	lch(10.97, 19.03, 288.53°)
OKLab	oklab(23.47% 0.0006 -0.0511)
OKLCH	oklch(23.47% 0.051 270.7)
XYZ	xyz(1.3902, 1.2562, 3.6585)
Luminance	0.0126 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#151C36 #362F15

analogous

#152D36 #151C36 #1F1536

triadic

#151C36 #36151C #1C3615

tetradic

#151C36 #36152D #362F15 #15361F

square

#151C36 #36152D #362F15 #15361F

split-complementary

#151C36 #361F15 #2D3615

monochromatic

#090B16 #090B16 #151C36 #263362 #374A8E

Accessibility & contrast

On white

16.78

#151C36 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.25

#151C36 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #151C36

16.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##151C36	#FFFFFF	#000000	##FFFFFF
##151C36	1.00	16.78	1.25	16.78
#FFFFFF	16.78	1.00	21.00	1.00
#000000	1.25	21.00	1.00	21.00
##FFFFFF	16.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#111F37

Deuteranopia (green-blind)

#0E1C35

Tritanopia (blue-blind)

#062226

Achromatopsia (no color)

#1D1D1D

Design tokens & code

CSS

--color: #151c36;
/* rgb */ color: rgb(21, 28, 54);
/* oklch */ color: oklch(23.5% 0.051 270.7);

Tailwind

colors: {
  custom: {
    50: '#55576d',
    500: '#151c36',
    950: '#000000',
  },
}

SCSS

$custom: #151c36;
$custom-light: #55576d;
$custom-dark: #000000;

JSON

{
  "hex": "#151c36",
  "rgb": {
    "r": 21,
    "g": 28,
    "b": 54
  },
  "hsl": {
    "h": 227.273,
    "s": 44,
    "l": 14.706
  },
  "oklch": {
    "l": 0.23465,
    "c": 0.05114,
    "h": 270.7
  },
  "luminance": 0.01256
}

Semantic roles & 50–950 ramp

primary

#151C36

secondary

#6D623A

accent

#B954D4

background

#F5F5F6

surface

#E9E9EB

border

#C5C5C6

text

#030307

muted

#78787A

Preview Lab

Preview with #151C36

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

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