#280337#280337

#280337 is a very dark, moderate purple. Relative luminance 0.008; OKLCH L 21.2% C 0.097 H 313.7°. Best body text is #FFFFFF at 18.13:1 contrast (WCAG AA passes).

Color values

HEX	#280337
RGB	rgb(40, 3, 55)
HSL	hsl(283, 90%, 11%)
HSV	hsv(283, 95%, 22%)
CMYK	cmyk(27.3%, 94.5%, 0%, 78.4%)
CIE-LAB	lab(7.16, 28.26, -24.76)
CIE-LCH	lch(7.16, 37.57, 318.78°)
OKLab	oklab(21.23% 0.0672 -0.0703)
OKLCH	oklch(21.23% 0.097 313.7)
XYZ	xyz(1.5971, 0.7921, 3.6825)
Luminance	0.0079 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#280337 #123703

analogous

#0E0337 #280337 #37032C

triadic

#280337 #372803 #033728

tetradic

#280337 #370E03 #123703 #032C37

square

#280337 #370E03 #123703 #032C37

split-complementary

#280337 #2C3703 #03370E

monochromatic

#15021D #15021D #280337 #520671 #7C09AB

Accessibility & contrast

On white

18.13

#280337 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.16

#280337 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #280337

18.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##280337	#FFFFFF	#000000	##FFFFFF
##280337	1.00	18.13	1.16	18.13
#FFFFFF	18.13	1.00	21.00	1.00
#000000	1.16	21.00	1.00	21.00
##FFFFFF	18.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001438

Deuteranopia (green-blind)

#001736

Tritanopia (blue-blind)

#260F1D

Achromatopsia (no color)

#161616

Design tokens & code

CSS

--color: #280337;
/* rgb */ color: rgb(40, 3, 55);
/* oklch */ color: oklch(21.2% 0.097 313.7);

Tailwind

colors: {
  custom: {
    50: '#65486e',
    500: '#280337',
    950: '#000000',
  },
}

SCSS

$custom: #280337;
$custom-light: #65486e;
$custom-dark: #000000;

JSON

{
  "hex": "#280337",
  "rgb": {
    "r": 40,
    "g": 3,
    "b": 55
  },
  "hsl": {
    "h": 282.692,
    "s": 89.655,
    "l": 11.373
  },
  "oklch": {
    "l": 0.21229,
    "c": 0.09718,
    "h": 313.7
  },
  "luminance": 0.00792
}

Semantic roles & 50–950 ramp

primary

#280337

secondary

#377A1C

accent

#FF2967

background

#F6F4F6

surface

#EBE6EC

border

#C6C2C7

text

#060107

muted

#7A777A

Preview Lab

Preview with #280337

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

Preview Lab → · Contrast checker → · Palette generator →