#183180#183180

#183180 is a dark, vivid blue. Relative luminance 0.039; OKLCH L 34.9% C 0.137 H 265.9°. Best body text is #FFFFFF at 11.73:1 contrast (WCAG AA passes).

Color values

HEX	#183180
RGB	rgb(24, 49, 128)
HSL	hsl(226, 68%, 30%)
HSV	hsv(226, 81%, 50%)
CMYK	cmyk(81.3%, 61.7%, 0%, 49.8%)
CIE-LAB	lab(23.50, 21.59, -47.26)
CIE-LCH	lch(23.50, 51.96, 294.56°)
OKLab	oklab(34.86% -0.0097 -0.1366)
OKLCH	oklch(34.86% 0.137 265.9)
XYZ	xyz(5.3699, 3.9487, 20.8971)
Luminance	0.0395 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#183180 #806718

analogous

#186580 #183180 #331880

triadic

#183180 #801831 #318018

tetradic

#183180 #801865 #806718 #188033

square

#183180 #801865 #806718 #188033

split-complementary

#183180 #803318 #658018

monochromatic

#050A1A #0E1D4C #183180 #2245B4 #395FDA

Accessibility & contrast

On white

11.73

#183180 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.79

#183180 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #183180

11.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##183180	#FFFFFF	#000000	##FFFFFF
##183180	1.00	11.73	1.79	11.73
#FFFFFF	11.73	1.00	21.00	1.00
#000000	1.79	21.00	1.00	21.00
##FFFFFF	11.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003D83

Deuteranopia (green-blind)

#00337E

Tritanopia (blue-blind)

#004553

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #183180;
/* rgb */ color: rgb(24, 49, 128);
/* oklch */ color: oklch(34.9% 0.137 265.9);

Tailwind

colors: {
  custom: {
    50: '#6868a6',
    500: '#183180',
    950: '#000000',
  },
}

SCSS

$custom: #183180;
$custom-light: #6868a6;
$custom-dark: #000000;

JSON

{
  "hex": "#183180",
  "rgb": {
    "r": 24,
    "g": 49,
    "b": 128
  },
  "hsl": {
    "h": 225.577,
    "s": 68.421,
    "l": 29.804
  },
  "oklch": {
    "l": 0.34862,
    "c": 0.13694,
    "h": 265.9
  },
  "luminance": 0.03949
}

Semantic roles & 50–950 ramp

primary

#183180

secondary

#B49840

accent

#C13DEB

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#07060F

muted

#7A7A7F

Preview Lab

Preview with #183180

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

Preview Lab → · Contrast checker → · Palette generator →