#181863#181863

#181863 is a dark, vivid blue. Relative luminance 0.017; OKLCH L 27.1% C 0.127 H 273.9°. Best body text is #FFFFFF at 15.56:1 contrast (WCAG AA passes).

Color values

HEX	#181863
RGB	rgb(24, 24, 99)
HSL	hsl(240, 61%, 24%)
HSV	hsv(240, 76%, 39%)
CMYK	cmyk(75.8%, 75.8%, 0%, 61.2%)
CIE-LAB	lab(14.11, 27.45, -43.94)
CIE-LCH	lch(14.11, 51.81, 302.00°)
OKLab	oklab(27.11% 0.0086 -0.1271)
OKLCH	oklch(27.11% 0.127 273.9)
XYZ	xyz(2.9547, 1.7480, 11.9836)
Luminance	0.0175 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#181863 #636318

analogous

#183E63 #181863 #3E1863

triadic

#181863 #631818 #186318

tetradic

#181863 #63183E #636318 #18633E

square

#181863 #63183E #636318 #18633E

split-complementary

#181863 #633E18 #3E6318

monochromatic

#060619 #0C0C32 #181863 #242494 #3030C6

Accessibility & contrast

On white

15.56

#181863 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.35

#181863 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #181863

15.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##181863	#FFFFFF	#000000	##FFFFFF
##181863	1.00	15.56	1.35	15.56
#FFFFFF	15.56	1.00	21.00	1.00
#000000	1.35	21.00	1.00	21.00
##FFFFFF	15.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002765

Deuteranopia (green-blind)

#002062

Tritanopia (blue-blind)

#002D3B

Achromatopsia (no color)

#242424

Design tokens & code

CSS

--color: #181863;
/* rgb */ color: rgb(24, 24, 99);
/* oklch */ color: oklch(27.1% 0.127 273.9);

Tailwind

colors: {
  custom: {
    50: '#625590',
    500: '#181863',
    950: '#000000',
  },
}

SCSS

$custom: #181863;
$custom-light: #625590;
$custom-dark: #000000;

JSON

{
  "hex": "#181863",
  "rgb": {
    "r": 24,
    "g": 24,
    "b": 99
  },
  "hsl": {
    "h": 240,
    "s": 60.976,
    "l": 24.118
  },
  "oklch": {
    "l": 0.27109,
    "c": 0.12735,
    "h": 273.9
  },
  "luminance": 0.01748
}

Semantic roles & 50–950 ramp

primary

#181863

secondary

#99993E

accent

#E444E4

background

#F6F5F8

surface

#EBE9F0

border

#C6C5CB

text

#06030D

muted

#7A787D

Preview Lab

Preview with #181863

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

Preview Lab → · Contrast checker → · Palette generator →