#280833#280833

#280833 is a very dark, moderate purple. Relative luminance 0.009; OKLCH L 21.6% C 0.084 H 316.0°. Best body text is #FFFFFF at 17.91:1 contrast (WCAG AA passes).

Color values

HEX	#280833
RGB	rgb(40, 8, 51)
HSL	hsl(285, 73%, 12%)
HSV	hsv(285, 84%, 20%)
CMYK	cmyk(21.6%, 84.3%, 0%, 80%)
CIE-LAB	lab(7.80, 24.45, -20.78)
CIE-LCH	lch(7.80, 32.09, 319.64°)
OKLab	oklab(21.6% 0.0606 -0.0585)
OKLCH	oklch(21.6% 0.084 316)
XYZ	xyz(1.5594, 0.8639, 3.2159)
Luminance	0.0086 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#280833 #133308

analogous

#130833 #280833 #330829

triadic

#280833 #332808 #083328

tetradic

#280833 #331308 #133308 #082933

square

#280833 #331308 #133308 #082933

split-complementary

#280833 #293308 #083313

monochromatic

#15041A #15041A #280833 #511068 #7B199D

Accessibility & contrast

On white

17.91

#280833 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.17

#280833 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #280833

17.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##280833	#FFFFFF	#000000	##FFFFFF
##280833	1.00	17.91	1.17	17.91
#FFFFFF	17.91	1.00	21.00	1.00
#000000	1.17	21.00	1.00	21.00
##FFFFFF	17.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001534

Deuteranopia (green-blind)

#081832

Tritanopia (blue-blind)

#27111C

Achromatopsia (no color)

#171717

Design tokens & code

CSS

--color: #280833;
/* rgb */ color: rgb(40, 8, 51);
/* oklch */ color: oklch(21.6% 0.084 316.0);

Tailwind

colors: {
  custom: {
    50: '#644b6b',
    500: '#280833',
    950: '#000000',
  },
}

SCSS

$custom: #280833;
$custom-light: #644b6b;
$custom-dark: #000000;

JSON

{
  "hex": "#280833",
  "rgb": {
    "r": 40,
    "g": 8,
    "b": 51
  },
  "hsl": {
    "h": 284.651,
    "s": 72.881,
    "l": 11.569
  },
  "oklch": {
    "l": 0.21596,
    "c": 0.08422,
    "h": 316
  },
  "luminance": 0.00864
}

Semantic roles & 50–950 ramp

primary

#280833

secondary

#397225

accent

#F03867

background

#F6F4F6

surface

#EBE7EB

border

#C6C3C6

text

#050106

muted

#7A777A

Preview Lab

Preview with #280833

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

Preview Lab → · Contrast checker → · Palette generator →