#182F83#182F83

#182F83 is a dark, vivid blue. Relative luminance 0.039; OKLCH L 34.7% C 0.144 H 266.7°. Best body text is #FFFFFF at 11.84:1 contrast (WCAG AA passes).

Color values

HEX	#182F83
RGB	rgb(24, 47, 131)
HSL	hsl(227, 69%, 30%)
HSV	hsv(227, 82%, 51%)
CMYK	cmyk(81.7%, 64.1%, 0%, 48.6%)
CIE-LAB	lab(23.22, 24.20, -49.60)
CIE-LCH	lch(23.22, 55.19, 296.01°)
OKLab	oklab(34.74% -0.0084 -0.1435)
OKLCH	oklch(34.74% 0.144 266.7)
XYZ	xyz(5.4885, 3.8653, 21.9251)
Luminance	0.0387 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#182F83 #836C18

analogous

#186483 #182F83 #371883

triadic

#182F83 #83182F #2F8318

tetradic

#182F83 #831864 #836C18 #188337

square

#182F83 #831864 #836C18 #188337

split-complementary

#182F83 #833718 #648318

monochromatic

#050A1C #0F1C4F #182F83 #2142B7 #3A5DDB

Accessibility & contrast

On white

11.84

#182F83 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.77

#182F83 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #182F83

11.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##182F83	#FFFFFF	#000000	##FFFFFF
##182F83	1.00	11.84	1.77	11.84
#FFFFFF	11.84	1.00	21.00	1.00
#000000	1.77	21.00	1.00	21.00
##FFFFFF	11.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003C86

Deuteranopia (green-blind)

#003281

Tritanopia (blue-blind)

#004554

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #182f83;
/* rgb */ color: rgb(24, 47, 131);
/* oklch */ color: oklch(34.7% 0.144 266.7);

Tailwind

colors: {
  custom: {
    50: '#6967a8',
    500: '#182f83',
    950: '#000000',
  },
}

SCSS

$custom: #182f83;
$custom-light: #6967a8;
$custom-dark: #000000;

JSON

{
  "hex": "#182f83",
  "rgb": {
    "r": 24,
    "g": 47,
    "b": 131
  },
  "hsl": {
    "h": 227.103,
    "s": 69.032,
    "l": 30.392
  },
  "oklch": {
    "l": 0.34737,
    "c": 0.14374,
    "h": 266.7
  },
  "luminance": 0.03866
}

Semantic roles & 50–950 ramp

primary

#182F83

secondary

#B79D40

accent

#C63CEC

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#070610

muted

#7A7A7F

Preview Lab

Preview with #182F83

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

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