#28183D#28183D

#28183D is a dark, moderate violet. Relative luminance 0.014; OKLCH L 25.1% C 0.069 H 301.6°. Best body text is #FFFFFF at 16.30:1 contrast (WCAG AA passes).

Color values

HEX	#28183D
RGB	rgb(40, 24, 61)
HSL	hsl(266, 44%, 17%)
HSV	hsv(266, 61%, 24%)
CMYK	cmyk(34.4%, 60.7%, 0%, 76.1%)
CIE-LAB	lab(12.23, 17.36, -20.91)
CIE-LCH	lch(12.23, 27.17, 309.70°)
OKLab	oklab(25.06% 0.0362 -0.0589)
OKLCH	oklch(25.06% 0.069 301.6)
XYZ	xyz(2.0438, 1.4413, 4.5845)
Luminance	0.0144 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28183D #2D3D18

analogous

#181B3D #28183D #3B183D

triadic

#28183D #3D2818 #183D28

tetradic

#28183D #3D181B #2D3D18 #183D3B

square

#28183D #3D181B #2D3D18 #183D3B

split-complementary

#28183D #3D3B18 #1B3D18

monochromatic

#0E0916 #0E0916 #28183D #452969 #623B95

Accessibility & contrast

On white

16.30

#28183D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.29

#28183D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28183D

16.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28183D	#FFFFFF	#000000	##FFFFFF
##28183D	1.00	16.30	1.29	16.30
#FFFFFF	16.30	1.00	21.00	1.00
#000000	1.29	21.00	1.00	21.00
##FFFFFF	16.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0B203E

Deuteranopia (green-blind)

#10203C

Tritanopia (blue-blind)

#241F27

Achromatopsia (no color)

#202020

Design tokens & code

CSS

--color: #28183d;
/* rgb */ color: rgb(40, 24, 61);
/* oklch */ color: oklch(25.1% 0.069 301.6);

Tailwind

colors: {
  custom: {
    50: '#635573',
    500: '#28183d',
    950: '#000000',
  },
}

SCSS

$custom: #28183d;
$custom-light: #635573;
$custom-dark: #000000;

JSON

{
  "hex": "#28183d",
  "rgb": {
    "r": 40,
    "g": 24,
    "b": 61
  },
  "hsl": {
    "h": 265.946,
    "s": 43.529,
    "l": 16.667
  },
  "oklch": {
    "l": 0.25059,
    "c": 0.06917,
    "h": 301.6
  },
  "luminance": 0.01441
}

Semantic roles & 50–950 ramp

primary

#28183D

secondary

#5C733D

accent

#D3559C

background

#F6F4F6

surface

#EBE8EC

border

#C6C4C7

text

#050308

muted

#7A787B

Preview Lab

Preview with #28183D

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

Preview Lab → · Contrast checker → · Palette generator →