#28023A#28023A

#28023A is a very dark, moderate purple. Relative luminance 0.008; OKLCH L 21.4% C 0.102 H 311.6°. Best body text is #FFFFFF at 18.10:1 contrast (WCAG AA passes).

Color values

HEX	#28023A
RGB	rgb(40, 2, 58)
HSL	hsl(281, 93%, 12%)
HSV	hsv(281, 97%, 23%)
CMYK	cmyk(31%, 96.6%, 0%, 77.3%)
CIE-LAB	lab(7.23, 29.62, -26.82)
CIE-LCH	lch(7.23, 39.96, 317.84°)
OKLab	oklab(21.37% 0.0676 -0.0763)
OKLCH	oklch(21.37% 0.102 311.6)
XYZ	xyz(1.6604, 0.8001, 4.0691)
Luminance	0.0080 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28023A #143A02

analogous

#0C023A #28023A #3A0230

triadic

#28023A #3A2802 #023A28

tetradic

#28023A #3A0C02 #143A02 #02303A

square

#28023A #3A0C02 #143A02 #02303A

split-complementary

#28023A #303A02 #023A0C

monochromatic

#14011E #14011E #28023A #510475 #7A06B0

Accessibility & contrast

On white

18.10

#28023A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.16

#28023A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28023A

18.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28023A	#FFFFFF	#000000	##FFFFFF
##28023A	1.00	18.10	1.16	18.10
#FFFFFF	18.10	1.00	21.00	1.00
#000000	1.16	21.00	1.00	21.00
##FFFFFF	18.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00143B

Deuteranopia (green-blind)

#001739

Tritanopia (blue-blind)

#26101F

Achromatopsia (no color)

#161616

Design tokens & code

CSS

--color: #28023a;
/* rgb */ color: rgb(40, 2, 58);
/* oklch */ color: oklch(21.4% 0.102 311.6);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#28023a",
  "rgb": {
    "r": 40,
    "g": 2,
    "b": 58
  },
  "hsl": {
    "h": 280.714,
    "s": 93.333,
    "l": 11.765
  },
  "oklch": {
    "l": 0.21372,
    "c": 0.10194,
    "h": 311.6
  },
  "luminance": 0.008
}

Semantic roles & 50–950 ramp

primary

#28023A

secondary

#3A7D1A

accent

#FF296E

background

#F6F4F6

surface

#EBE6EC

border

#C6C2C7

text

#060007

muted

#7A777A

Preview Lab

Preview with #28023A

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

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