#182A75#182A75

#182A75 is a dark, vivid blue. Relative luminance 0.031; OKLCH L 32.4% C 0.130 H 267.8°. Best body text is #FFFFFF at 12.91:1 contrast (WCAG AA passes).

Color values

HEX	#182A75
RGB	rgb(24, 42, 117)
HSL	hsl(228, 66%, 28%)
HSV	hsv(228, 79%, 46%)
CMYK	cmyk(79.5%, 64.1%, 0%, 54.1%)
CIE-LAB	lab(20.57, 22.09, -45.06)
CIE-LCH	lch(20.57, 50.18, 296.11°)
OKLab	oklab(32.38% -0.005 -0.1302)
OKLCH	oklch(32.38% 0.13 267.8)
XYZ	xyz(4.4144, 3.1340, 17.1984)
Luminance	0.0313 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#182A75 #756318

analogous

#185875 #182A75 #341875

triadic

#182A75 #75182A #2A7518

tetradic

#182A75 #751858 #756318 #187534

square

#182A75 #751858 #756318 #187534

split-complementary

#182A75 #753418 #587518

monochromatic

#050919 #0E1842 #182A75 #223CA8 #3252D5

Accessibility & contrast

On white

12.91

#182A75 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.63

#182A75 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #182A75

12.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##182A75	#FFFFFF	#000000	##FFFFFF
##182A75	1.00	12.91	1.63	12.91
#FFFFFF	12.91	1.00	21.00	1.00
#000000	1.63	21.00	1.00	21.00
##FFFFFF	12.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003677

Deuteranopia (green-blind)

#002D74

Tritanopia (blue-blind)

#003D4B

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #182a75;
/* rgb */ color: rgb(24, 42, 117);
/* oklch */ color: oklch(32.4% 0.130 267.8);

Tailwind

colors: {
  custom: {
    50: '#65639d',
    500: '#182a75',
    950: '#000000',
  },
}

SCSS

$custom: #182a75;
$custom-light: #65639d;
$custom-dark: #000000;

JSON

{
  "hex": "#182a75",
  "rgb": {
    "r": 24,
    "g": 42,
    "b": 117
  },
  "hsl": {
    "h": 228.387,
    "s": 65.957,
    "l": 27.647
  },
  "oklch": {
    "l": 0.32378,
    "c": 0.13033,
    "h": 267.8
  },
  "luminance": 0.03134
}

Semantic roles & 50–950 ramp

primary

#182A75

secondary

#AA953F

accent

#C83FE9

background

#F6F5F9

surface

#EBEAF2

border

#C6C6CC

text

#06050E

muted

#7A797E

Preview Lab

Preview with #182A75

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

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