#181481#181481

#181481 is a dark, vivid blue. Relative luminance 0.023; OKLCH L 30.1% C 0.170 H 271.2°. Best body text is #FFFFFF at 14.43:1 contrast (WCAG AA passes).

Color values

HEX	#181481
RGB	rgb(24, 20, 129)
HSL	hsl(242, 73%, 29%)
HSV	hsv(242, 84%, 51%)
CMYK	cmyk(81.4%, 84.5%, 0%, 49.4%)
CIE-LAB	lab(16.89, 40.29, -58.78)
CIE-LCH	lch(16.89, 71.27, 304.43°)
OKLab	oklab(30.12% 0.0037 -0.1701)
OKLCH	oklch(30.12% 0.17 271.2)
XYZ	xyz(4.5880, 2.2790, 20.9627)
Luminance	0.0228 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#181481 #7D8114

analogous

#144781 #181481 #4F1481

triadic

#181481 #811814 #148118

tetradic

#181481 #811447 #7D8114 #14814F

square

#181481 #811447 #7D8114 #14814F

split-complementary

#181481 #814F14 #478114

monochromatic

#05041A #0E0C4C #181481 #221CB6 #3730DF

Accessibility & contrast

On white

14.43

#181481 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.46

#181481 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #181481

14.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##181481	#FFFFFF	#000000	##FFFFFF
##181481	1.00	14.43	1.46	14.43
#FFFFFF	14.43	1.00	21.00	1.00
#000000	1.46	21.00	1.00	21.00
##FFFFFF	14.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002F84

Deuteranopia (green-blind)

#00247F

Tritanopia (blue-blind)

#00374C

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #181481;
/* rgb */ color: rgb(24, 20, 129);
/* oklch */ color: oklch(30.1% 0.170 271.2);

Tailwind

colors: {
  custom: {
    50: '#6b55a7',
    500: '#181481',
    950: '#000000',
  },
}

SCSS

$custom: #181481;
$custom-light: #6b55a7;
$custom-dark: #000000;

JSON

{
  "hex": "#181481",
  "rgb": {
    "r": 24,
    "g": 20,
    "b": 129
  },
  "hsl": {
    "h": 242.202,
    "s": 73.154,
    "l": 29.216
  },
  "oklch": {
    "l": 0.30119,
    "c": 0.17016,
    "h": 271.2
  },
  "luminance": 0.02279
}

Semantic roles & 50–950 ramp

primary

#181481

secondary

#B2B63B

accent

#F038E9

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#080310

muted

#7B787F

Preview Lab

Preview with #181481

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

Preview Lab → · Contrast checker → · Palette generator →