#28173E#28173E

#28173E is a very dark, moderate violet. Relative luminance 0.014; OKLCH L 24.9% C 0.073 H 301.5°. Best body text is #FFFFFF at 16.38:1 contrast (WCAG AA passes).

Color values

HEX	#28173E
RGB	rgb(40, 23, 62)
HSL	hsl(266, 46%, 17%)
HSV	hsv(266, 63%, 24%)
CMYK	cmyk(35.5%, 62.9%, 0%, 75.7%)
CIE-LAB	lab(12.04, 18.36, -21.92)
CIE-LCH	lch(12.04, 28.59, 309.94°)
OKLab	oklab(24.94% 0.0379 -0.0619)
OKLCH	oklch(24.94% 0.073 301.5)
XYZ	xyz(2.0508, 1.4117, 4.7209)
Luminance	0.0141 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28173E #2D3E17

analogous

#171A3E #28173E #3C173E

triadic

#28173E #3E2817 #173E28

tetradic

#28173E #3E171A #2D3E17 #173E3C

square

#28173E #3E171A #2D3E17 #173E3C

split-complementary

#28173E #3E3C17 #1A3E17

monochromatic

#0E0816 #0E0816 #28173E #45286B #623897

Accessibility & contrast

On white

16.38

#28173E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.28

#28173E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28173E

16.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28173E	#FFFFFF	#000000	##FFFFFF
##28173E	1.00	16.38	1.28	16.38
#FFFFFF	16.38	1.00	21.00	1.00
#000000	1.28	21.00	1.00	21.00
##FFFFFF	16.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#081F3F

Deuteranopia (green-blind)

#0D1F3D

Tritanopia (blue-blind)

#241F27

Achromatopsia (no color)

#202020

Design tokens & code

CSS

--color: #28173e;
/* rgb */ color: rgb(40, 23, 62);
/* oklch */ color: oklch(24.9% 0.073 301.5);

Tailwind

colors: {
  custom: {
    50: '#645473',
    500: '#28173e',
    950: '#000000',
  },
}

SCSS

$custom: #28173e;
$custom-light: #645473;
$custom-dark: #000000;

JSON

{
  "hex": "#28173e",
  "rgb": {
    "r": 40,
    "g": 23,
    "b": 62
  },
  "hsl": {
    "h": 266.154,
    "s": 45.882,
    "l": 16.667
  },
  "oklch": {
    "l": 0.24939,
    "c": 0.07259,
    "h": 301.5
  },
  "luminance": 0.01412
}

Semantic roles & 50–950 ramp

primary

#28173E

secondary

#5C753C

accent

#D6529C

background

#F6F4F7

surface

#EBE7ED

border

#C6C3C8

text

#050308

muted

#7A787B

Preview Lab

Preview with #28173E

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

Preview Lab → · Contrast checker → · Palette generator →