#281C93#281C93

#281C93 is a dark, vivid blue. Relative luminance 0.034; OKLCH L 34.3% C 0.181 H 275.5°. Best body text is #FFFFFF at 12.52:1 contrast (WCAG AA passes).

Color values

HEX	#281C93
RGB	rgb(40, 28, 147)
HSL	hsl(246, 68%, 34%)
HSV	hsv(246, 81%, 58%)
CMYK	cmyk(72.8%, 81%, 0%, 42.4%)
CIE-LAB	lab(21.53, 43.26, -62.33)
CIE-LCH	lch(21.53, 75.87, 304.76°)
OKLab	oklab(34.27% 0.0174 -0.1802)
OKLCH	oklch(34.27% 0.181 275.5)
XYZ	xyz(6.5551, 3.3876, 27.9065)
Luminance	0.0339 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#281C93 #87931C

analogous

#1C4C93 #281C93 #631C93

triadic

#281C93 #93281C #1C9328

tetradic

#281C93 #931C4C #87931C #1C9363

square

#281C93 #931C4C #87931C #1C9363

split-complementary

#281C93 #93631C #4C931C

monochromatic

#0C082C #1A1260 #281C93 #3626C6 #5B4CDD

Accessibility & contrast

On white

12.52

#281C93 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.68

#281C93 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #281C93

12.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##281C93	#FFFFFF	#000000	##FFFFFF
##281C93	1.00	12.52	1.68	12.52
#FFFFFF	12.52	1.00	21.00	1.00
#000000	1.68	21.00	1.00	21.00
##FFFFFF	12.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003996

Deuteranopia (green-blind)

#002E91

Tritanopia (blue-blind)

#004158

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #281c93;
/* rgb */ color: rgb(40, 28, 147);
/* oklch */ color: oklch(34.3% 0.181 275.5);

Tailwind

colors: {
  custom: {
    50: '#745cb4',
    500: '#281c93',
    950: '#000000',
  },
}

SCSS

$custom: #281c93;
$custom-light: #745cb4;
$custom-dark: #000000;

JSON

{
  "hex": "#281c93",
  "rgb": {
    "r": 40,
    "g": 28,
    "b": 147
  },
  "hsl": {
    "h": 246.05,
    "s": 68,
    "l": 34.314
  },
  "oklch": {
    "l": 0.34266,
    "c": 0.18105,
    "h": 275.5
  },
  "luminance": 0.03388
}

Semantic roles & 50–950 ramp

primary

#281C93

secondary

#B4BF4C

accent

#EB3DD9

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#0A0411

muted

#7C7980

Preview Lab

Preview with #281C93

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

Preview Lab → · Contrast checker → · Palette generator →