#28183E#28183E

#28183E is a dark, moderate violet. Relative luminance 0.015; OKLCH L 25.1% C 0.071 H 300.9°. Best body text is #FFFFFF at 16.27:1 contrast (WCAG AA passes).

Color values

HEX	#28183E
RGB	rgb(40, 24, 62)
HSL	hsl(265, 44%, 17%)
HSV	hsv(265, 61%, 24%)
CMYK	cmyk(35.5%, 61.3%, 0%, 75.7%)
CIE-LAB	lab(12.30, 17.67, -21.50)
CIE-LCH	lch(12.30, 27.83, 309.41°)
OKLab	oklab(25.14% 0.0363 -0.0607)
OKLCH	oklch(25.14% 0.071 300.9)
XYZ	xyz(2.0710, 1.4522, 4.7277)
Luminance	0.0145 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28183E #2E3E18

analogous

#181B3E #28183E #3B183E

triadic

#28183E #3E2818 #183E28

tetradic

#28183E #3E181B #2E3E18 #183E3B

square

#28183E #3E181B #2E3E18 #183E3B

split-complementary

#28183E #3E3B18 #1B3E18

monochromatic

#0E0916 #0E0916 #28183E #44296A #613A96

Accessibility & contrast

On white

16.27

#28183E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.29

#28183E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28183E

16.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28183E	#FFFFFF	#000000	##FFFFFF
##28183E	1.00	16.27	1.29	16.27
#FFFFFF	16.27	1.00	21.00	1.00
#000000	1.29	21.00	1.00	21.00
##FFFFFF	16.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0A203F

Deuteranopia (green-blind)

#0F203D

Tritanopia (blue-blind)

#241F28

Achromatopsia (no color)

#202020

Design tokens & code

CSS

--color: #28183e;
/* rgb */ color: rgb(40, 24, 62);
/* oklch */ color: oklch(25.1% 0.071 300.9);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#28183e",
  "rgb": {
    "r": 40,
    "g": 24,
    "b": 62
  },
  "hsl": {
    "h": 265.263,
    "s": 44.186,
    "l": 16.863
  },
  "oklch": {
    "l": 0.25135,
    "c": 0.0707,
    "h": 300.9
  },
  "luminance": 0.01452
}

Semantic roles & 50–950 ramp

primary

#28183E

secondary

#5D743D

accent

#D4549E

background

#F6F4F7

surface

#EBE8ED

border

#C6C4C8

text

#050308

muted

#7A787B

Preview Lab

Preview with #28183E

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

Preview Lab → · Contrast checker → · Palette generator →