#181C32#181C32

#181C32 is a very dark, muted blue. Relative luminance 0.013; OKLCH L 23.4% C 0.043 H 274.8°. Best body text is #FFFFFF at 16.79:1 contrast (WCAG AA passes).

Color values

HEX	#181C32
RGB	rgb(24, 28, 50)
HSL	hsl(231, 35%, 15%)
HSV	hsv(231, 52%, 20%)
CMYK	cmyk(52%, 44%, 0%, 80.4%)
CIE-LAB	lab(10.96, 5.42, -15.16)
CIE-LCH	lch(10.96, 16.10, 289.66°)
OKLab	oklab(23.44% 0.0036 -0.0426)
OKLCH	oklch(23.44% 0.043 274.8)
XYZ	xyz(1.3675, 1.2549, 3.1872)
Luminance	0.0126 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#181C32 #322E18

analogous

#182932 #181C32 #211832

triadic

#181C32 #32181C #1C3218

tetradic

#181C32 #321829 #322E18 #183221

square

#181C32 #321829 #322E18 #183221

split-complementary

#181C32 #322118 #293218

monochromatic

#0A0C15 #0A0C15 #181C32 #2C335B #404A85

Accessibility & contrast

On white

16.79

#181C32 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.25

#181C32 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #181C32

16.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##181C32	#FFFFFF	#000000	##FFFFFF
##181C32	1.00	16.79	1.25	16.79
#FFFFFF	16.79	1.00	21.00	1.00
#000000	1.25	21.00	1.00	21.00
##FFFFFF	16.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#141F33

Deuteranopia (green-blind)

#121C31

Tritanopia (blue-blind)

#0F2024

Achromatopsia (no color)

#1D1D1D

Design tokens & code

CSS

--color: #181c32;
/* rgb */ color: rgb(24, 28, 50);
/* oklch */ color: oklch(23.4% 0.043 274.8);

Tailwind

colors: {
  custom: {
    50: '#56576a',
    500: '#181c32',
    950: '#000000',
  },
}

SCSS

$custom: #181c32;
$custom-light: #56576a;
$custom-dark: #000000;

JSON

{
  "hex": "#181c32",
  "rgb": {
    "r": 24,
    "g": 28,
    "b": 50
  },
  "hsl": {
    "h": 230.769,
    "s": 35.135,
    "l": 14.51
  },
  "oklch": {
    "l": 0.23438,
    "c": 0.0428,
    "h": 274.8
  },
  "luminance": 0.01255
}

Semantic roles & 50–950 ramp

primary

#181C32

secondary

#67613F

accent

#BA5DCB

background

#F5F5F6

surface

#E9E9EB

border

#C5C5C6

text

#030306

muted

#78787A

Preview Lab

Preview with #181C32

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

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