#182C73#182C73

#182C73 is a dark, vivid blue. Relative luminance 0.032; OKLCH L 32.6% C 0.125 H 267.0°. Best body text is #FFFFFF at 12.75:1 contrast (WCAG AA passes).

Color values

HEX	#182C73
RGB	rgb(24, 44, 115)
HSL	hsl(227, 65%, 27%)
HSV	hsv(227, 79%, 45%)
CMYK	cmyk(79.1%, 61.7%, 0%, 54.9%)
CIE-LAB	lab(20.95, 19.85, -43.15)
CIE-LCH	lch(20.95, 47.50, 294.70°)
OKLab	oklab(32.61% -0.0065 -0.1246)
OKLCH	oklch(32.61% 0.125 267)
XYZ	xyz(4.3708, 3.2329, 16.6100)
Luminance	0.0323 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#182C73 #735F18

analogous

#185A73 #182C73 #311873

triadic

#182C73 #73182C #2C7318

tetradic

#182C73 #73185A #735F18 #187331

square

#182C73 #73185A #735F18 #187331

split-complementary

#182C73 #733118 #5A7318

monochromatic

#050A19 #0D1940 #182C73 #233FA6 #3155D4

Accessibility & contrast

On white

12.75

#182C73 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.65

#182C73 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #182C73

12.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##182C73	#FFFFFF	#000000	##FFFFFF
##182C73	1.00	12.75	1.65	12.75
#FFFFFF	12.75	1.00	21.00	1.00
#000000	1.65	21.00	1.00	21.00
##FFFFFF	12.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003775

Deuteranopia (green-blind)

#002E72

Tritanopia (blue-blind)

#003E4B

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #182c73;
/* rgb */ color: rgb(24, 44, 115);
/* oklch */ color: oklch(32.6% 0.125 267.0);

Tailwind

colors: {
  custom: {
    50: '#64649c',
    500: '#182c73',
    950: '#000000',
  },
}

SCSS

$custom: #182c73;
$custom-light: #64649c;
$custom-dark: #000000;

JSON

{
  "hex": "#182c73",
  "rgb": {
    "r": 24,
    "g": 44,
    "b": 115
  },
  "hsl": {
    "h": 226.813,
    "s": 65.468,
    "l": 27.255
  },
  "oklch": {
    "l": 0.32606,
    "c": 0.12478,
    "h": 267
  },
  "luminance": 0.03233
}

Semantic roles & 50–950 ramp

primary

#182C73

secondary

#A8913F

accent

#C33FE8

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06050E

muted

#7A7A7E

Preview Lab

Preview with #182C73

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

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