#181E44#181E44

#181E44 is a dark, moderate blue. Relative luminance 0.015; OKLCH L 25.3% C 0.071 H 273.5°. Best body text is #FFFFFF at 16.06:1 contrast (WCAG AA passes).

Color values

HEX	#181E44
RGB	rgb(24, 30, 68)
HSL	hsl(232, 48%, 18%)
HSV	hsv(232, 65%, 27%)
CMYK	cmyk(64.7%, 55.9%, 0%, 73.3%)
CIE-LAB	lab(12.86, 10.92, -24.91)
CIE-LCH	lch(12.86, 27.20, 293.67°)
OKLab	oklab(25.29% 0.0043 -0.0712)
OKLCH	oklch(25.29% 0.071 273.5)
XYZ	xyz(1.8840, 1.5400, 5.6657)
Luminance	0.0154 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#181E44 #443E18

analogous

#183444 #181E44 #281844

triadic

#181E44 #44181E #1E4418

tetradic

#181E44 #441834 #443E18 #184428

square

#181E44 #441834 #443E18 #184428

split-complementary

#181E44 #442818 #344418

monochromatic

#080A17 #080A17 #181E44 #283271 #38469E

Accessibility & contrast

On white

16.06

#181E44 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.31

#181E44 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #181E44

16.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##181E44	#FFFFFF	#000000	##FFFFFF
##181E44	1.00	16.06	1.31	16.06
#FFFFFF	16.06	1.00	21.00	1.00
#000000	1.31	21.00	1.00	21.00
##FFFFFF	16.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0B2345

Deuteranopia (green-blind)

#041F43

Tritanopia (blue-blind)

#00272D

Achromatopsia (no color)

#212121

Design tokens & code

CSS

--color: #181e44;
/* rgb */ color: rgb(24, 30, 68);
/* oklch */ color: oklch(25.3% 0.071 273.5);

Tailwind

colors: {
  custom: {
    50: '#5a5978',
    500: '#181e44',
    950: '#000000',
  },
}

SCSS

$custom: #181e44;
$custom-light: #5a5978;
$custom-dark: #000000;

JSON

{
  "hex": "#181e44",
  "rgb": {
    "r": 24,
    "g": 30,
    "b": 68
  },
  "hsl": {
    "h": 231.818,
    "s": 47.826,
    "l": 18.039
  },
  "oklch": {
    "l": 0.25294,
    "c": 0.07131,
    "h": 273.5
  },
  "luminance": 0.0154
}

Semantic roles & 50–950 ramp

primary

#181E44

secondary

#7B723D

accent

#C550D7

background

#F5F5F7

surface

#E9E9ED

border

#C5C5C8

text

#040309

muted

#79787B

Preview Lab

Preview with #181E44

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

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