#280B2B#280B2B

#280B2B is a very dark, moderate purple. Relative luminance 0.009; OKLCH L 21.4% C 0.070 H 323.8°. Best body text is #FFFFFF at 17.90:1 contrast (WCAG AA passes).

Color values

HEX	#280B2B
RGB	rgb(40, 11, 43)
HSL	hsl(294, 59%, 11%)
HSV	hsv(294, 74%, 17%)
CMYK	cmyk(7%, 74.4%, 0%, 83.1%)
CIE-LAB	lab(7.81, 20.81, -14.84)
CIE-LCH	lch(7.81, 25.56, 324.52°)
OKLab	oklab(21.41% 0.0563 -0.0412)
OKLCH	oklch(21.41% 0.07 323.8)
XYZ	xyz(1.4308, 0.8650, 2.3766)
Luminance	0.0086 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#280B2B #0E2B0B

analogous

#180B2B #280B2B #2B0B1E

triadic

#280B2B #2B280B #0B2B28

tetradic

#280B2B #2B180B #0E2B0B #0B1E2B

square

#280B2B #2B180B #0E2B0B #0B1E2B

split-complementary

#280B2B #1E2B0B #0B2B18

monochromatic

#170618 #170618 #280B2B #55175C #83248C

Accessibility & contrast

On white

17.90

#280B2B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.17

#280B2B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #280B2B

17.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##280B2B	#FFFFFF	#000000	##FFFFFF
##280B2B	1.00	17.90	1.17	17.90
#FFFFFF	17.90	1.00	21.00	1.00
#000000	1.17	21.00	1.00	21.00
##FFFFFF	17.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#06152C

Deuteranopia (green-blind)

#10182A

Tritanopia (blue-blind)

#291019

Achromatopsia (no color)

#171717

Design tokens & code

CSS

--color: #280b2b;
/* rgb */ color: rgb(40, 11, 43);
/* oklch */ color: oklch(21.4% 0.070 323.8);

Tailwind

colors: {
  custom: {
    50: '#634c64',
    500: '#280b2b',
    950: '#000000',
  },
}

SCSS

$custom: #280b2b;
$custom-light: #634c64;
$custom-dark: #000000;

JSON

{
  "hex": "#280b2b",
  "rgb": {
    "r": 40,
    "g": 11,
    "b": 43
  },
  "hsl": {
    "h": 294.375,
    "s": 59.259,
    "l": 10.588
  },
  "oklch": {
    "l": 0.21413,
    "c": 0.06975,
    "h": 323.8
  },
  "luminance": 0.00865
}

Semantic roles & 50–950 ramp

primary

#280B2B

secondary

#30672B

accent

#E24554

background

#F6F4F6

surface

#EBE7EB

border

#C6C3C6

text

#050105

muted

#7A777A

Preview Lab

Preview with #280B2B

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

Preview Lab → · Contrast checker → · Palette generator →