#181380#181380

#181380 is a dark, vivid blue. Relative luminance 0.022; OKLCH L 29.9% C 0.170 H 271.4°. Best body text is #FFFFFF at 14.55:1 contrast (WCAG AA passes).

Color values

HEX	#181380
RGB	rgb(24, 19, 128)
HSL	hsl(243, 74%, 29%)
HSV	hsv(243, 85%, 50%)
CMYK	cmyk(81.3%, 85.2%, 0%, 49.8%)
CIE-LAB	lab(16.59, 40.46, -58.64)
CIE-LCH	lch(16.59, 71.24, 304.61°)
OKLab	oklab(29.88% 0.0042 -0.1697)
OKLCH	oklch(29.88% 0.17 271.4)
XYZ	xyz(4.5045, 2.2179, 20.6086)
Luminance	0.0222 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#181380 #7B8013

analogous

#134580 #181380 #4F1380

triadic

#181380 #801813 #138018

tetradic

#181380 #801345 #7B8013 #13804F

square

#181380 #801345 #7B8013 #13804F

split-complementary

#181380 #804F13 #458013

monochromatic

#05041B #0E0B4B #181380 #221BB5 #362DE0

Accessibility & contrast

On white

14.55

#181380 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.44

#181380 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #181380

14.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##181380	#FFFFFF	#000000	##FFFFFF
##181380	1.00	14.55	1.44	14.55
#FFFFFF	14.55	1.00	21.00	1.00
#000000	1.44	21.00	1.00	21.00
##FFFFFF	14.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002E83

Deuteranopia (green-blind)

#00237E

Tritanopia (blue-blind)

#00364B

Achromatopsia (no color)

#292929

Design tokens & code

CSS

--color: #181380;
/* rgb */ color: rgb(24, 19, 128);
/* oklch */ color: oklch(29.9% 0.170 271.4);

Tailwind

colors: {
  custom: {
    50: '#6b54a6',
    500: '#181380',
    950: '#000000',
  },
}

SCSS

$custom: #181380;
$custom-light: #6b54a6;
$custom-dark: #000000;

JSON

{
  "hex": "#181380",
  "rgb": {
    "r": 24,
    "g": 19,
    "b": 128
  },
  "hsl": {
    "h": 242.752,
    "s": 74.15,
    "l": 28.824
  },
  "oklch": {
    "l": 0.29877,
    "c": 0.16974,
    "h": 271.4
  },
  "luminance": 0.02218
}

Semantic roles & 50–950 ramp

primary

#181380

secondary

#B0B539

accent

#F137E8

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#080310

muted

#7B787F

Preview Lab

Preview with #181380

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

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