#281C5D#281C5D

#281C5D is a dark, moderate violet. Relative luminance 0.021; OKLCH L 28.5% C 0.110 H 285.5°. Best body text is #FFFFFF at 14.85:1 contrast (WCAG AA passes).

Color values

HEX	#281C5D
RGB	rgb(40, 28, 93)
HSL	hsl(251, 54%, 24%)
HSV	hsv(251, 70%, 36%)
CMYK	cmyk(57%, 69.9%, 0%, 63.5%)
CIE-LAB	lab(15.86, 25.22, -37.02)
CIE-LCH	lch(15.86, 44.80, 304.26°)
OKLab	oklab(28.54% 0.0295 -0.1063)
OKLCH	oklch(28.54% 0.11 285.5)
XYZ	xyz(3.2655, 2.0718, 10.5816)
Luminance	0.0207 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#281C5D #515D1C

analogous

#1C305D #281C5D #481C5D

triadic

#281C5D #5D281C #1C5D28

tetradic

#281C5D #5D1C30 #515D1C #1C5D48

square

#281C5D #5D1C30 #515D1C #1C5D48

split-complementary

#281C5D #5D481C #305D1C

monochromatic

#0A0718 #140E2E #281C5D #3C2A8C #5038BB

Accessibility & contrast

On white

14.85

#281C5D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.41

#281C5D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #281C5D

14.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##281C5D	#FFFFFF	#000000	##FFFFFF
##281C5D	1.00	14.85	1.41	14.85
#FFFFFF	14.85	1.00	21.00	1.00
#000000	1.41	21.00	1.00	21.00
##FFFFFF	14.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00295F

Deuteranopia (green-blind)

#00265C

Tritanopia (blue-blind)

#122C39

Achromatopsia (no color)

#272727

Design tokens & code

CSS

--color: #281c5d;
/* rgb */ color: rgb(40, 28, 93);
/* oklch */ color: oklch(28.5% 0.110 285.5);

Tailwind

colors: {
  custom: {
    50: '#68598c',
    500: '#281c5d',
    950: '#000000',
  },
}

SCSS

$custom: #281c5d;
$custom-light: #68598c;
$custom-dark: #000000;

JSON

{
  "hex": "#281c5d",
  "rgb": {
    "r": 40,
    "g": 28,
    "b": 93
  },
  "hsl": {
    "h": 251.077,
    "s": 53.719,
    "l": 23.725
  },
  "oklch": {
    "l": 0.2854,
    "c": 0.11031,
    "h": 285.5
  },
  "luminance": 0.02072
}

Semantic roles & 50–950 ramp

primary

#281C5D

secondary

#849242

accent

#DD4BC2

background

#F6F5F8

surface

#EBE9F0

border

#C6C5CB

text

#06030C

muted

#7A787D

Preview Lab

Preview with #281C5D

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

Preview Lab → · Contrast checker → · Palette generator →