#280B33#280B33

#280B33 is a very dark, moderate purple. Relative luminance 0.009; OKLCH L 22.0% C 0.079 H 315.3°. Best body text is #FFFFFF at 17.71:1 contrast (WCAG AA passes).

Color values

HEX	#280B33
RGB	rgb(40, 11, 51)
HSL	hsl(284, 65%, 12%)
HSV	hsv(284, 78%, 20%)
CMYK	cmyk(21.6%, 78.4%, 0%, 80%)
CIE-LAB	lab(8.39, 22.81, -19.84)
CIE-LCH	lch(8.39, 30.23, 318.98°)
OKLab	oklab(22.02% 0.0564 -0.0557)
OKLCH	oklch(22.02% 0.079 315.3)
XYZ	xyz(1.5922, 0.9295, 3.2269)
Luminance	0.0093 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#280B33 #16330B

analogous

#140B33 #280B33 #330B2A

triadic

#280B33 #33280B #0B3328

tetradic

#280B33 #33140B #16330B #0B2A33

square

#280B33 #33140B #16330B #0B2A33

split-complementary

#280B33 #2A330B #0B3314

monochromatic

#140519 #140519 #280B33 #4F1665 #772198

Accessibility & contrast

On white

17.71

#280B33 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.19

#280B33 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #280B33

17.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##280B33	#FFFFFF	#000000	##FFFFFF
##280B33	1.00	17.71	1.19	17.71
#FFFFFF	17.71	1.00	21.00	1.00
#000000	1.19	21.00	1.00	21.00
##FFFFFF	17.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001734

Deuteranopia (green-blind)

#0A1932

Tritanopia (blue-blind)

#27131D

Achromatopsia (no color)

#181818

Design tokens & code

CSS

--color: #280b33;
/* rgb */ color: rgb(40, 11, 51);
/* oklch */ color: oklch(22.0% 0.079 315.3);

Tailwind

colors: {
  custom: {
    50: '#644c6b',
    500: '#280b33',
    950: '#000000',
  },
}

SCSS

$custom: #280b33;
$custom-light: #644c6b;
$custom-dark: #000000;

JSON

{
  "hex": "#280b33",
  "rgb": {
    "r": 40,
    "g": 11,
    "b": 51
  },
  "hsl": {
    "h": 283.5,
    "s": 64.516,
    "l": 12.157
  },
  "oklch": {
    "l": 0.22018,
    "c": 0.07928,
    "h": 315.3
  },
  "luminance": 0.00929
}

Semantic roles & 50–950 ramp

primary

#280B33

secondary

#3D702A

accent

#E8406E

background

#F6F4F6

surface

#EBE7EB

border

#C6C3C6

text

#050106

muted

#7A777A

Preview Lab

Preview with #280B33

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

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