#182E80#182E80

#182E80 is a dark, vivid blue. Relative luminance 0.037; OKLCH L 34.2% C 0.141 H 266.8°. Best body text is #FFFFFF at 12.06:1 contrast (WCAG AA passes).

Color values

HEX	#182E80
RGB	rgb(24, 46, 128)
HSL	hsl(227, 68%, 30%)
HSV	hsv(227, 81%, 50%)
CMYK	cmyk(81.3%, 64.1%, 0%, 49.8%)
CIE-LAB	lab(22.68, 23.70, -48.61)
CIE-LCH	lch(22.68, 54.08, 295.99°)
OKLab	oklab(34.25% -0.0077 -0.1406)
OKLCH	oklch(34.25% 0.141 266.8)
XYZ	xyz(5.2486, 3.7061, 20.8566)
Luminance	0.0371 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#182E80 #806A18

analogous

#186280 #182E80 #361880

triadic

#182E80 #80182E #2E8018

tetradic

#182E80 #801862 #806A18 #188036

square

#182E80 #801862 #806A18 #188036

split-complementary

#182E80 #803618 #628018

monochromatic

#05091A #0E1B4C #182E80 #2241B4 #395BDA

Accessibility & contrast

On white

12.06

#182E80 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.74

#182E80 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #182E80

12.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##182E80	#FFFFFF	#000000	##FFFFFF
##182E80	1.00	12.06	1.74	12.06
#FFFFFF	12.06	1.00	21.00	1.00
#000000	1.74	21.00	1.00	21.00
##FFFFFF	12.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003B83

Deuteranopia (green-blind)

#00317E

Tritanopia (blue-blind)

#004352

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #182e80;
/* rgb */ color: rgb(24, 46, 128);
/* oklch */ color: oklch(34.2% 0.141 266.8);

Tailwind

colors: {
  custom: {
    50: '#6866a6',
    500: '#182e80',
    950: '#000000',
  },
}

SCSS

$custom: #182e80;
$custom-light: #6866a6;
$custom-dark: #000000;

JSON

{
  "hex": "#182e80",
  "rgb": {
    "r": 24,
    "g": 46,
    "b": 128
  },
  "hsl": {
    "h": 227.308,
    "s": 68.421,
    "l": 29.804
  },
  "oklch": {
    "l": 0.34248,
    "c": 0.1408,
    "h": 266.8
  },
  "luminance": 0.03707
}

Semantic roles & 50–950 ramp

primary

#182E80

secondary

#B49C40

accent

#C63DEB

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#07060F

muted

#7A7A7F

Preview Lab

Preview with #182E80

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

Preview Lab → · Contrast checker → · Palette generator →