#28043A#28043A

#28043A is a very dark, moderate purple. Relative luminance 0.008; OKLCH L 21.7% C 0.099 H 311.1°. Best body text is #FFFFFF at 17.97:1 contrast (WCAG AA passes).

Color values

HEX	#28043A
RGB	rgb(40, 4, 58)
HSL	hsl(280, 87%, 12%)
HSV	hsv(280, 93%, 23%)
CMYK	cmyk(31%, 93.1%, 0%, 77.3%)
CIE-LAB	lab(7.62, 28.49, -26.18)
CIE-LCH	lch(7.62, 38.70, 317.42°)
OKLab	oklab(21.66% 0.0648 -0.0743)
OKLCH	oklch(21.66% 0.099 311.1)
XYZ	xyz(1.6821, 0.8435, 4.0764)
Luminance	0.0084 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28043A #163A04

analogous

#0D043A #28043A #3A0431

triadic

#28043A #3A2804 #043A28

tetradic

#28043A #3A0D04 #163A04 #04313A

square

#28043A #3A0D04 #163A04 #04313A

split-complementary

#28043A #313A04 #043A0D

monochromatic

#14021D #14021D #28043A #4F0873 #770CAD

Accessibility & contrast

On white

17.97

#28043A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.17

#28043A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28043A

17.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28043A	#FFFFFF	#000000	##FFFFFF
##28043A	1.00	17.97	1.17	17.97
#FFFFFF	17.97	1.00	21.00	1.00
#000000	1.17	21.00	1.00	21.00
##FFFFFF	17.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00153B

Deuteranopia (green-blind)

#001739

Tritanopia (blue-blind)

#26111F

Achromatopsia (no color)

#171717

Design tokens & code

CSS

--color: #28043a;
/* rgb */ color: rgb(40, 4, 58);
/* oklch */ color: oklch(21.7% 0.099 311.1);

Tailwind

colors: {
  custom: {
    50: '#654971',
    500: '#28043a',
    950: '#000000',
  },
}

SCSS

$custom: #28043a;
$custom-light: #654971;
$custom-dark: #000000;

JSON

{
  "hex": "#28043a",
  "rgb": {
    "r": 40,
    "g": 4,
    "b": 58
  },
  "hsl": {
    "h": 280,
    "s": 87.097,
    "l": 12.157
  },
  "oklch": {
    "l": 0.21657,
    "c": 0.09859,
    "h": 311.1
  },
  "luminance": 0.00843
}

Semantic roles & 50–950 ramp

primary

#28043A

secondary

#3D7C1E

accent

#FD2B71

background

#F6F4F6

surface

#EBE7EC

border

#C6C3C7

text

#060107

muted

#7A777A

Preview Lab

Preview with #28043A

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

Preview Lab → · Contrast checker → · Palette generator →