#181752#181752

#181752 is a dark, moderate blue. Relative luminance 0.014; OKLCH L 25.1% C 0.104 H 276.6°. Best body text is #FFFFFF at 16.37:1 contrast (WCAG AA passes).

Color values

HEX	#181752
RGB	rgb(24, 23, 82)
HSL	hsl(241, 56%, 21%)
HSV	hsv(241, 72%, 32%)
CMYK	cmyk(70.7%, 72%, 0%, 67.8%)
CIE-LAB	lab(12.06, 21.65, -35.86)
CIE-LCH	lch(12.06, 41.89, 301.12°)
OKLab	oklab(25.09% 0.0119 -0.1034)
OKLCH	oklch(25.09% 0.104 276.6)
XYZ	xyz(2.2056, 1.4160, 8.1381)
Luminance	0.0142 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#181752 #515217

analogous

#173352 #181752 #351752

triadic

#181752 #521817 #175218

tetradic

#181752 #521733 #515217 #175235

square

#181752 #521733 #515217 #175235

split-complementary

#181752 #523517 #335217

monochromatic

#070718 #0A0A22 #181752 #262482 #3432B2

Accessibility & contrast

On white

16.37

#181752 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.28

#181752 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #181752

16.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##181752	#FFFFFF	#000000	##FFFFFF
##181752	1.00	16.37	1.28	16.37
#FFFFFF	16.37	1.00	21.00	1.00
#000000	1.28	21.00	1.00	21.00
##FFFFFF	16.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002254

Deuteranopia (green-blind)

#001D51

Tritanopia (blue-blind)

#002632

Achromatopsia (no color)

#202020

Design tokens & code

CSS

--color: #181752;
/* rgb */ color: rgb(24, 23, 82);
/* oklch */ color: oklch(25.1% 0.104 276.6);

Tailwind

colors: {
  custom: {
    50: '#5e5483',
    500: '#181752',
    950: '#000000',
  },
}

SCSS

$custom: #181752;
$custom-light: #5e5483;
$custom-dark: #000000;

JSON

{
  "hex": "#181752",
  "rgb": {
    "r": 24,
    "g": 23,
    "b": 82
  },
  "hsl": {
    "h": 241.017,
    "s": 56.19,
    "l": 20.588
  },
  "oklch": {
    "l": 0.25092,
    "c": 0.10412,
    "h": 276.6
  },
  "luminance": 0.01416
}

Semantic roles & 50–950 ramp

primary

#181752

secondary

#88893C

accent

#DF48DD

background

#F5F4F8

surface

#E9E7EF

border

#C5C3CA

text

#05020B

muted

#79787C

Preview Lab

Preview with #181752

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

Preview Lab → · Contrast checker → · Palette generator →