#181980#181980

#181980 is a dark, vivid blue. Relative luminance 0.024; OKLCH L 30.6% C 0.165 H 270.9°. Best body text is #FFFFFF at 14.10:1 contrast (WCAG AA passes).

Color values

HEX	#181980
RGB	rgb(24, 25, 128)
HSL	hsl(239, 68%, 30%)
HSV	hsv(239, 81%, 50%)
CMYK	cmyk(81.3%, 80.5%, 0%, 49.8%)
CIE-LAB	lab(17.68, 37.30, -56.83)
CIE-LCH	lch(17.68, 67.98, 303.27°)
OKLab	oklab(30.64% 0.0025 -0.1646)
OKLCH	oklch(30.64% 0.165 270.9)
XYZ	xyz(4.6193, 2.4474, 20.6468)
Luminance	0.0245 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#181980 #807F18

analogous

#184D80 #181980 #4B1880

triadic

#181980 #801819 #198018

tetradic

#181980 #80184D #807F18 #18804B

square

#181980 #80184D #807F18 #18804B

split-complementary

#181980 #804B18 #4D8018

monochromatic

#05051A #0E0F4C #181980 #2223B4 #393ADA

Accessibility & contrast

On white

14.10

#181980 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.49

#181980 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #181980

14.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##181980	#FFFFFF	#000000	##FFFFFF
##181980	1.00	14.10	1.49	14.10
#FFFFFF	14.10	1.00	21.00	1.00
#000000	1.49	21.00	1.00	21.00
##FFFFFF	14.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003083

Deuteranopia (green-blind)

#00267E

Tritanopia (blue-blind)

#00384C

Achromatopsia (no color)

#2B2B2B

Design tokens & code

CSS

--color: #181980;
/* rgb */ color: rgb(24, 25, 128);
/* oklch */ color: oklch(30.6% 0.165 270.9);

Tailwind

colors: {
  custom: {
    50: '#6a58a6',
    500: '#181980',
    950: '#000000',
  },
}

SCSS

$custom: #181980;
$custom-light: #6a58a6;
$custom-dark: #000000;

JSON

{
  "hex": "#181980",
  "rgb": {
    "r": 24,
    "g": 25,
    "b": 128
  },
  "hsl": {
    "h": 239.423,
    "s": 68.421,
    "l": 29.804
  },
  "oklch": {
    "l": 0.30636,
    "c": 0.16459,
    "h": 270.9
  },
  "luminance": 0.02448
}

Semantic roles & 50–950 ramp

primary

#181980

secondary

#B4B340

accent

#EA3DEB

background

#F6F5FA

surface

#ECE9F4

border

#C7C5CE

text

#08030F

muted

#7A787F

Preview Lab

Preview with #181980

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

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