#182C80#182C80

#182C80 is a dark, vivid blue. Relative luminance 0.036; OKLCH L 33.9% C 0.143 H 267.4°. Best body text is #FFFFFF at 12.27:1 contrast (WCAG AA passes).

Color values

HEX	#182C80
RGB	rgb(24, 44, 128)
HSL	hsl(228, 68%, 30%)
HSV	hsv(228, 81%, 50%)
CMYK	cmyk(81.3%, 65.6%, 0%, 49.8%)
CIE-LAB	lab(22.14, 25.09, -49.49)
CIE-LCH	lch(22.14, 55.49, 296.89°)
OKLab	oklab(33.85% -0.0065 -0.1432)
OKLCH	oklch(33.85% 0.143 267.4)
XYZ	xyz(5.1723, 3.5535, 20.8312)
Luminance	0.0355 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#182C80 #806C18

analogous

#186080 #182C80 #381880

triadic

#182C80 #80182C #2C8018

tetradic

#182C80 #801860 #806C18 #188038

square

#182C80 #801860 #806C18 #188038

split-complementary

#182C80 #803818 #608018

monochromatic

#05091A #0E1A4C #182C80 #223EB4 #3958DA

Accessibility & contrast

On white

12.27

#182C80 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.71

#182C80 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #182C80

12.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##182C80	#FFFFFF	#000000	##FFFFFF
##182C80	1.00	12.27	1.71	12.27
#FFFFFF	12.27	1.00	21.00	1.00
#000000	1.71	21.00	1.00	21.00
##FFFFFF	12.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A83

Deuteranopia (green-blind)

#00307E

Tritanopia (blue-blind)

#004251

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #182c80;
/* rgb */ color: rgb(24, 44, 128);
/* oklch */ color: oklch(33.9% 0.143 267.4);

Tailwind

colors: {
  custom: {
    50: '#6865a6',
    500: '#182c80',
    950: '#000000',
  },
}

SCSS

$custom: #182c80;
$custom-light: #6865a6;
$custom-dark: #000000;

JSON

{
  "hex": "#182c80",
  "rgb": {
    "r": 24,
    "g": 44,
    "b": 128
  },
  "hsl": {
    "h": 228.462,
    "s": 68.421,
    "l": 29.804
  },
  "oklch": {
    "l": 0.3385,
    "c": 0.14335,
    "h": 267.4
  },
  "luminance": 0.03554
}

Semantic roles & 50–950 ramp

primary

#182C80

secondary

#B49E40

accent

#CA3DEB

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#07050F

muted

#7A7A7F

Preview Lab

Preview with #182C80

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

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