#182158#182158

#182158 is a dark, moderate blue. Relative luminance 0.020; OKLCH L 27.7% C 0.099 H 271.3°. Best body text is #FFFFFF at 15.03:1 contrast (WCAG AA passes).

Color values

HEX	#182158
RGB	rgb(24, 33, 88)
HSL	hsl(232, 57%, 22%)
HSV	hsv(232, 73%, 35%)
CMYK	cmyk(72.7%, 62.5%, 0%, 65.5%)
CIE-LAB	lab(15.41, 16.80, -34.46)
CIE-LCH	lch(15.41, 38.34, 296.00°)
OKLab	oklab(27.73% 0.0023 -0.0992)
OKLCH	oklch(27.73% 0.099 271.3)
XYZ	xyz(2.6814, 1.9862, 9.4727)
Luminance	0.0199 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#182158 #584F18

analogous

#184158 #182158 #2F1858

triadic

#182158 #581821 #215818

tetradic

#182158 #581841 #584F18 #18582F

square

#182158 #581841 #584F18 #18582F

split-complementary

#182158 #582F18 #415818

monochromatic

#070918 #0B0F28 #182158 #253388 #3245B8

Accessibility & contrast

On white

15.03

#182158 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.40

#182158 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #182158

15.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##182158	#FFFFFF	#000000	##FFFFFF
##182158	1.00	15.03	1.40	15.03
#FFFFFF	15.03	1.00	21.00	1.00
#000000	1.40	21.00	1.00	21.00
##FFFFFF	15.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002A5A

Deuteranopia (green-blind)

#002457

Tritanopia (blue-blind)

#002E38

Achromatopsia (no color)

#272727

Design tokens & code

CSS

--color: #182158;
/* rgb */ color: rgb(24, 33, 88);
/* oklch */ color: oklch(27.7% 0.099 271.3);

Tailwind

colors: {
  custom: {
    50: '#5e5c88',
    500: '#182158',
    950: '#000000',
  },
}

SCSS

$custom: #182158;
$custom-light: #5e5c88;
$custom-dark: #000000;

JSON

{
  "hex": "#182158",
  "rgb": {
    "r": 24,
    "g": 33,
    "b": 88
  },
  "hsl": {
    "h": 231.563,
    "s": 57.143,
    "l": 21.961
  },
  "oklch": {
    "l": 0.27734,
    "c": 0.09926,
    "h": 271.3
  },
  "luminance": 0.01986
}

Semantic roles & 50–950 ramp

primary

#182158

secondary

#8F833D

accent

#CB47E0

background

#F5F5F8

surface

#EAE9F0

border

#C6C5CB

text

#05040B

muted

#79797C

Preview Lab

Preview with #182158

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

Preview Lab → · Contrast checker → · Palette generator →