#281C86#281C86

#281C86 is a dark, vivid blue. Relative luminance 0.030; OKLCH L 32.8% C 0.165 H 277.3°. Best body text is #FFFFFF at 13.12:1 contrast (WCAG AA passes).

Color values

HEX	#281C86
RGB	rgb(40, 28, 134)
HSL	hsl(247, 65%, 32%)
HSV	hsv(247, 79%, 53%)
CMYK	cmyk(70.1%, 79.1%, 0%, 47.5%)
CIE-LAB	lab(20.05, 39.06, -56.66)
CIE-LCH	lch(20.05, 68.82, 304.58°)
OKLab	oklab(32.8% 0.0209 -0.1637)
OKLCH	oklch(32.8% 0.165 277.3)
XYZ	xyz(5.5920, 3.0024, 22.8345)
Luminance	0.0300 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#281C86 #7A861C

analogous

#1C4586 #281C86 #5D1C86

triadic

#281C86 #86281C #1C8628

tetradic

#281C86 #861C45 #7A861C #1C865D

square

#281C86 #861C45 #7A861C #1C865D

split-complementary

#281C86 #865D1C #45861C

monochromatic

#0A0721 #191153 #281C86 #3727B9 #5544D8

Accessibility & contrast

On white

13.12

#281C86 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.60

#281C86 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #281C86

13.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##281C86	#FFFFFF	#000000	##FFFFFF
##281C86	1.00	13.12	1.60	13.12
#FFFFFF	13.12	1.00	21.00	1.00
#000000	1.60	21.00	1.00	21.00
##FFFFFF	13.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003589

Deuteranopia (green-blind)

#002C84

Tritanopia (blue-blind)

#003B50

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #281c86;
/* rgb */ color: rgb(40, 28, 134);
/* oklch */ color: oklch(32.8% 0.165 277.3);

Tailwind

colors: {
  custom: {
    50: '#715baa',
    500: '#281c86',
    950: '#000000',
  },
}

SCSS

$custom: #281c86;
$custom-light: #715baa;
$custom-dark: #000000;

JSON

{
  "hex": "#281c86",
  "rgb": {
    "r": 40,
    "g": 28,
    "b": 134
  },
  "hsl": {
    "h": 246.792,
    "s": 65.432,
    "l": 31.765
  },
  "oklch": {
    "l": 0.32796,
    "c": 0.16505,
    "h": 277.3
  },
  "luminance": 0.03003
}

Semantic roles & 50–950 ramp

primary

#281C86

secondary

#ACB945

accent

#E83FD5

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#090410

muted

#7B797F

Preview Lab

Preview with #281C86

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

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