#28023B#28023B

#28023B is a very dark, moderate purple. Relative luminance 0.008; OKLCH L 21.5% C 0.103 H 310.8°. Best body text is #FFFFFF at 18.07:1 contrast (WCAG AA passes).

Color values

HEX	#28023B
RGB	rgb(40, 2, 59)
HSL	hsl(280, 93%, 12%)
HSV	hsv(280, 97%, 23%)
CMYK	cmyk(32.2%, 96.6%, 0%, 76.9%)
CIE-LAB	lab(7.32, 29.89, -27.39)
CIE-LCH	lch(7.32, 40.54, 317.49°)
OKLab	oklab(21.47% 0.0673 -0.0779)
OKLCH	oklch(21.47% 0.103 310.8)
XYZ	xyz(1.6860, 0.8103, 4.2044)
Luminance	0.0081 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28023B #153B02

analogous

#0C023B #28023B #3B0232

triadic

#28023B #3B2802 #023B28

tetradic

#28023B #3B0C02 #153B02 #02323B

square

#28023B #3B0C02 #153B02 #02323B

split-complementary

#28023B #323B02 #023B0C

monochromatic

#14011E #14011E #28023B #500476 #7806B1

Accessibility & contrast

On white

18.07

#28023B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.16

#28023B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28023B

18.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28023B	#FFFFFF	#000000	##FFFFFF
##28023B	1.00	18.07	1.16	18.07
#FFFFFF	18.07	1.00	21.00	1.00
#000000	1.16	21.00	1.00	21.00
##FFFFFF	18.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00153C

Deuteranopia (green-blind)

#00173A

Tritanopia (blue-blind)

#25101F

Achromatopsia (no color)

#161616

Design tokens & code

CSS

--color: #28023b;
/* rgb */ color: rgb(40, 2, 59);
/* oklch */ color: oklch(21.5% 0.103 310.8);

Tailwind

colors: {
  custom: {
    50: '#654871',
    500: '#28023b',
    950: '#000000',
  },
}

SCSS

$custom: #28023b;
$custom-light: #654871;
$custom-dark: #000000;

JSON

{
  "hex": "#28023b",
  "rgb": {
    "r": 40,
    "g": 2,
    "b": 59
  },
  "hsl": {
    "h": 280,
    "s": 93.443,
    "l": 11.961
  },
  "oklch": {
    "l": 0.21471,
    "c": 0.10294,
    "h": 310.8
  },
  "luminance": 0.0081
}

Semantic roles & 50–950 ramp

primary

#28023B

secondary

#3C7E1A

accent

#FF2970

background

#F6F4F6

surface

#EBE6EC

border

#C6C2C7

text

#060008

muted

#7A777B

Preview Lab

Preview with #28023B

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

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