#281D89#281D89

#281D89 is a dark, vivid blue. Relative luminance 0.031; OKLCH L 33.3% C 0.168 H 276.7°. Best body text is #FFFFFF at 12.91:1 contrast (WCAG AA passes).

Color values

HEX	#281D89
RGB	rgb(40, 29, 137)
HSL	hsl(246, 65%, 33%)
HSV	hsv(246, 79%, 54%)
CMYK	cmyk(70.8%, 78.8%, 0%, 46.3%)
CIE-LAB	lab(20.58, 39.50, -57.68)
CIE-LCH	lch(20.58, 69.91, 304.41°)
OKLab	oklab(33.26% 0.0196 -0.1667)
OKLCH	oklch(33.26% 0.168 276.7)
XYZ	xyz(5.8283, 3.1355, 23.9601)
Luminance	0.0314 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#281D89 #7E891D

analogous

#1D4889 #281D89 #5E1D89

triadic

#281D89 #89281D #1D8928

tetradic

#281D89 #891D48 #7E891D #1D895E

square

#281D89 #891D48 #7E891D #1D895E

split-complementary

#281D89 #895E1D #48891D

monochromatic

#0B0824 #191256 #281D89 #3728BC #5748D8

Accessibility & contrast

On white

12.91

#281D89 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.63

#281D89 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #281D89

12.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##281D89	#FFFFFF	#000000	##FFFFFF
##281D89	1.00	12.91	1.63	12.91
#FFFFFF	12.91	1.00	21.00	1.00
#000000	1.63	21.00	1.00	21.00
##FFFFFF	12.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00368C

Deuteranopia (green-blind)

#002D87

Tritanopia (blue-blind)

#003D52

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #281d89;
/* rgb */ color: rgb(40, 29, 137);
/* oklch */ color: oklch(33.3% 0.168 276.7);

Tailwind

colors: {
  custom: {
    50: '#725cad',
    500: '#281d89',
    950: '#000000',
  },
}

SCSS

$custom: #281d89;
$custom-light: #725cad;
$custom-dark: #000000;

JSON

{
  "hex": "#281d89",
  "rgb": {
    "r": 40,
    "g": 29,
    "b": 137
  },
  "hsl": {
    "h": 246.111,
    "s": 65.06,
    "l": 32.549
  },
  "oklch": {
    "l": 0.33263,
    "c": 0.16784,
    "h": 276.7
  },
  "luminance": 0.03136
}

Semantic roles & 50–950 ramp

primary

#281D89

secondary

#AFBA47

accent

#E840D7

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#090410

muted

#7B797F

Preview Lab

Preview with #281D89

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

Preview Lab → · Contrast checker → · Palette generator →