#182B77#182B77

#182B77 is a dark, vivid blue. Relative luminance 0.033; OKLCH L 32.8% C 0.132 H 267.5°. Best body text is #FFFFFF at 12.72:1 contrast (WCAG AA passes).

Color values

HEX	#182B77
RGB	rgb(24, 43, 119)
HSL	hsl(228, 66%, 28%)
HSV	hsv(228, 80%, 47%)
CMYK	cmyk(79.8%, 63.9%, 0%, 53.3%)
CIE-LAB	lab(21.03, 22.19, -45.59)
CIE-LCH	lch(21.03, 50.70, 295.95°)
OKLab	oklab(32.78% -0.0057 -0.1318)
OKLCH	oklch(32.78% 0.132 267.5)
XYZ	xyz(4.5692, 3.2533, 17.8363)
Luminance	0.0325 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#182B77 #776418

analogous

#185A77 #182B77 #341877

triadic

#182B77 #77182B #2B7718

tetradic

#182B77 #77185A #776418 #187734

square

#182B77 #77185A #776418 #187734

split-complementary

#182B77 #773418 #5A7718

monochromatic

#050919 #0E1944 #182B77 #223DAA #3354D6

Accessibility & contrast

On white

12.72

#182B77 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.65

#182B77 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #182B77

12.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##182B77	#FFFFFF	#000000	##FFFFFF
##182B77	1.00	12.72	1.65	12.72
#FFFFFF	12.72	1.00	21.00	1.00
#000000	1.65	21.00	1.00	21.00
##FFFFFF	12.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003779

Deuteranopia (green-blind)

#002E76

Tritanopia (blue-blind)

#003F4C

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #182b77;
/* rgb */ color: rgb(24, 43, 119);
/* oklch */ color: oklch(32.8% 0.132 267.5);

Tailwind

colors: {
  custom: {
    50: '#66649f',
    500: '#182b77',
    950: '#000000',
  },
}

SCSS

$custom: #182b77;
$custom-light: #66649f;
$custom-dark: #000000;

JSON

{
  "hex": "#182b77",
  "rgb": {
    "r": 24,
    "g": 43,
    "b": 119
  },
  "hsl": {
    "h": 228,
    "s": 66.434,
    "l": 28.039
  },
  "oklch": {
    "l": 0.32775,
    "c": 0.13189,
    "h": 267.5
  },
  "luminance": 0.03254
}

Semantic roles & 50–950 ramp

primary

#182B77

secondary

#AC963F

accent

#C73EE9

background

#F6F5F9

surface

#EBEAF2

border

#C6C6CC

text

#07050F

muted

#7A797E

Preview Lab

Preview with #182B77

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

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