#28043C#28043C

#28043C is a very dark, moderate violet. Relative luminance 0.009; OKLCH L 21.9% C 0.101 H 309.6°. Best body text is #FFFFFF at 17.91:1 contrast (WCAG AA passes).

Color values

HEX	#28043C
RGB	rgb(40, 4, 60)
HSL	hsl(279, 88%, 13%)
HSV	hsv(279, 93%, 24%)
CMYK	cmyk(33.3%, 93.3%, 0%, 76.5%)
CIE-LAB	lab(7.81, 29.01, -27.32)
CIE-LCH	lch(7.81, 39.85, 316.71°)
OKLab	oklab(21.85% 0.0641 -0.0776)
OKLCH	oklch(21.85% 0.101 309.6)
XYZ	xyz(1.7339, 0.8642, 4.3496)
Luminance	0.0086 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28043C #183C04

analogous

#0C043C #28043C #3C0434

triadic

#28043C #3C2804 #043C28

tetradic

#28043C #3C0C04 #183C04 #04343C

square

#28043C #3C0C04 #183C04 #04343C

split-complementary

#28043C #343C04 #043C0C

monochromatic

#13021D #13021D #28043C #4E0875 #740CAF

Accessibility & contrast

On white

17.91

#28043C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.17

#28043C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28043C

17.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28043C	#FFFFFF	#000000	##FFFFFF
##28043C	1.00	17.91	1.17	17.91
#FFFFFF	17.91	1.00	21.00	1.00
#000000	1.17	21.00	1.00	21.00
##FFFFFF	17.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00163D

Deuteranopia (green-blind)

#00183B

Tritanopia (blue-blind)

#251220

Achromatopsia (no color)

#171717

Design tokens & code

CSS

--color: #28043c;
/* rgb */ color: rgb(40, 4, 60);
/* oklch */ color: oklch(21.9% 0.101 309.6);

Tailwind

colors: {
  custom: {
    50: '#654972',
    500: '#28043c',
    950: '#000000',
  },
}

SCSS

$custom: #28043c;
$custom-light: #654972;
$custom-dark: #000000;

JSON

{
  "hex": "#28043c",
  "rgb": {
    "r": 40,
    "g": 4,
    "b": 60
  },
  "hsl": {
    "h": 278.571,
    "s": 87.5,
    "l": 12.549
  },
  "oklch": {
    "l": 0.21851,
    "c": 0.10071,
    "h": 309.6
  },
  "luminance": 0.00864
}

Semantic roles & 50–950 ramp

primary

#28043C

secondary

#407E1E

accent

#FE2A76

background

#F6F4F6

surface

#EBE7EC

border

#C6C3C7

text

#060108

muted

#7A777B

Preview Lab

Preview with #28043C

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

Preview Lab → · Contrast checker → · Palette generator →