#182C74#182C74

#182C74 is a dark, vivid blue. Relative luminance 0.033; OKLCH L 32.7% C 0.126 H 267.1°. Best body text is #FFFFFF at 12.72:1 contrast (WCAG AA passes).

Color values

HEX	#182C74
RGB	rgb(24, 44, 116)
HSL	hsl(227, 66%, 27%)
HSV	hsv(227, 79%, 45%)
CMYK	cmyk(79.3%, 62.1%, 0%, 54.5%)
CIE-LAB	lab(21.04, 20.26, -43.65)
CIE-LCH	lch(21.04, 48.12, 294.90°)
OKLab	oklab(32.7% -0.0064 -0.1261)
OKLCH	oklch(32.7% 0.126 267.1)
XYZ	xyz(4.4287, 3.2560, 16.9147)
Luminance	0.0326 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#182C74 #746018

analogous

#185A74 #182C74 #321874

triadic

#182C74 #74182C #2C7418

tetradic

#182C74 #74185A #746018 #187432

square

#182C74 #74185A #746018 #187432

split-complementary

#182C74 #743218 #5A7418

monochromatic

#050A19 #0E1941 #182C74 #223FA7 #3255D5

Accessibility & contrast

On white

12.72

#182C74 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.65

#182C74 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #182C74

12.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##182C74	#FFFFFF	#000000	##FFFFFF
##182C74	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)

#003776

Deuteranopia (green-blind)

#002E73

Tritanopia (blue-blind)

#003E4B

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #182c74;
/* rgb */ color: rgb(24, 44, 116);
/* oklch */ color: oklch(32.7% 0.126 267.1);

Tailwind

colors: {
  custom: {
    50: '#65649d',
    500: '#182c74',
    950: '#000000',
  },
}

SCSS

$custom: #182c74;
$custom-light: #65649d;
$custom-dark: #000000;

JSON

{
  "hex": "#182c74",
  "rgb": {
    "r": 24,
    "g": 44,
    "b": 116
  },
  "hsl": {
    "h": 226.957,
    "s": 65.714,
    "l": 27.451
  },
  "oklch": {
    "l": 0.32699,
    "c": 0.12623,
    "h": 267.1
  },
  "luminance": 0.03257
}

Semantic roles & 50–950 ramp

primary

#182C74

secondary

#A9923F

accent

#C43FE9

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06050E

muted

#7A7A7E

Preview Lab

Preview with #182C74

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

Preview Lab → · Contrast checker → · Palette generator →