#280B2C#280B2C

#280B2C is a very dark, moderate purple. Relative luminance 0.009; OKLCH L 21.5% C 0.071 H 322.7°. Best body text is #FFFFFF at 17.88:1 contrast (WCAG AA passes).

Color values

HEX	#280B2C
RGB	rgb(40, 11, 44)
HSL	hsl(293, 60%, 11%)
HSV	hsv(293, 75%, 17%)
CMYK	cmyk(9.1%, 75%, 0%, 82.7%)
CIE-LAB	lab(7.88, 21.05, -15.48)
CIE-LCH	lch(7.88, 26.13, 323.68°)
OKLab	oklab(21.48% 0.0564 -0.043)
OKLCH	oklch(21.48% 0.071 322.7)
XYZ	xyz(1.4493, 0.8724, 2.4744)
Luminance	0.0087 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#280B2C #0F2C0B

analogous

#170B2C #280B2C #2C0B1F

triadic

#280B2C #2C280B #0B2C28

tetradic

#280B2C #2C170B #0F2C0B #0B1F2C

square

#280B2C #2C170B #0F2C0B #0B1F2C

split-complementary

#280B2C #1F2C0B #0B2C17

monochromatic

#160618 #160618 #280B2C #55175D #81238E

Accessibility & contrast

On white

17.88

#280B2C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.17

#280B2C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #280B2C

17.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##280B2C	#FFFFFF	#000000	##FFFFFF
##280B2C	1.00	17.88	1.17	17.88
#FFFFFF	17.88	1.00	21.00	1.00
#000000	1.17	21.00	1.00	21.00
##FFFFFF	17.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#05152D

Deuteranopia (green-blind)

#0F182B

Tritanopia (blue-blind)

#29101A

Achromatopsia (no color)

#171717

Design tokens & code

CSS

--color: #280b2c;
/* rgb */ color: rgb(40, 11, 44);
/* oklch */ color: oklch(21.5% 0.071 322.7);

Tailwind

colors: {
  custom: {
    50: '#634c65',
    500: '#280b2c',
    950: '#000000',
  },
}

SCSS

$custom: #280b2c;
$custom-light: #634c65;
$custom-dark: #000000;

JSON

{
  "hex": "#280b2c",
  "rgb": {
    "r": 40,
    "g": 11,
    "b": 44
  },
  "hsl": {
    "h": 292.727,
    "s": 60,
    "l": 10.784
  },
  "oklch": {
    "l": 0.21484,
    "c": 0.07092,
    "h": 322.7
  },
  "luminance": 0.00872
}

Semantic roles & 50–950 ramp

primary

#280B2C

secondary

#32682B

accent

#E34558

background

#F6F4F6

surface

#EBE7EB

border

#C6C3C6

text

#050105

muted

#7A777A

Preview Lab

Preview with #280B2C

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

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