#28042B#28042B

#28042B is a very dark, moderate purple. Relative luminance 0.007; OKLCH L 20.3% C 0.083 H 324.7°. Best body text is #FFFFFF at 18.38:1 contrast (WCAG AA passes).

Color values

HEX	#28042B
RGB	rgb(40, 4, 43)
HSL	hsl(295, 83%, 9%)
HSV	hsv(295, 91%, 17%)
CMYK	cmyk(7%, 90.7%, 0%, 83.1%)
CIE-LAB	lab(6.44, 24.52, -17.01)
CIE-LCH	lch(6.44, 29.84, 325.24°)
OKLab	oklab(20.34% 0.0679 -0.048)
OKLCH	oklch(20.34% 0.083 324.7)
XYZ	xyz(1.3545, 0.7125, 2.3512)
Luminance	0.0071 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28042B #072B04

analogous

#15042B #28042B #2B041B

triadic

#28042B #2B2804 #042B28

tetradic

#28042B #2B1504 #072B04 #041B2B

square

#28042B #2B1504 #072B04 #041B2B

split-complementary

#28042B #1B2B04 #042B15

monochromatic

#1A031C #1A031C #28042B #5C0963 #900E9B

Accessibility & contrast

On white

18.38

#28042B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.14

#28042B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28042B

18.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28042B	#FFFFFF	#000000	##FFFFFF
##28042B	1.00	18.38	1.14	18.38
#FFFFFF	18.38	1.00	21.00	1.00
#000000	1.14	21.00	1.00	21.00
##FFFFFF	18.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00112C

Deuteranopia (green-blind)

#0B162A

Tritanopia (blue-blind)

#290A16

Achromatopsia (no color)

#141414

Design tokens & code

CSS

--color: #28042b;
/* rgb */ color: rgb(40, 4, 43);
/* oklch */ color: oklch(20.3% 0.083 324.7);

Tailwind

colors: {
  custom: {
    50: '#644864',
    500: '#28042b',
    950: '#000000',
  },
}

SCSS

$custom: #28042b;
$custom-light: #644864;
$custom-dark: #000000;

JSON

{
  "hex": "#28042b",
  "rgb": {
    "r": 40,
    "g": 4,
    "b": 43
  },
  "hsl": {
    "h": 295.385,
    "s": 82.979,
    "l": 9.216
  },
  "oklch": {
    "l": 0.20341,
    "c": 0.08311,
    "h": 324.7
  },
  "luminance": 0.00712
}

Semantic roles & 50–950 ramp

primary

#28042B

secondary

#236E1D

accent

#F92E3E

background

#F6F4F6

surface

#EBE6EB

border

#C6C2C6

text

#050005

muted

#7A777A

Preview Lab

Preview with #28042B

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

Preview Lab → · Contrast checker → · Palette generator →