#280C4B#280C4B

#280C4B is a very dark, moderate violet. Relative luminance 0.012; OKLCH L 24.3% C 0.107 H 298.0°. Best body text is #FFFFFF at 16.88:1 contrast (WCAG AA passes).

Color values

HEX	#280C4B
RGB	rgb(40, 12, 75)
HSL	hsl(267, 72%, 17%)
HSV	hsv(267, 84%, 29%)
CMYK	cmyk(46.7%, 84%, 0%, 70.6%)
CIE-LAB	lab(10.72, 28.95, -33.17)
CIE-LCH	lch(10.72, 44.03, 311.12°)
OKLab	oklab(24.34% 0.0505 -0.0949)
OKLCH	oklch(24.34% 0.107 298)
XYZ	xyz(2.2762, 1.2220, 6.7712)
Luminance	0.0122 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#280C4B #2F4B0C

analogous

#0C0F4B #280C4B #480C4B

triadic

#280C4B #4B280C #0C4B28

tetradic

#280C4B #4B0C0F #2F4B0C #0C4B48

square

#280C4B #4B0C0F #2F4B0C #0C4B48

split-complementary

#280C4B #4B480C #0F4B0C

monochromatic

#0E041A #0E041A #280C4B #441480 #601DB5

Accessibility & contrast

On white

16.88

#280C4B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.24

#280C4B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #280C4B

16.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##280C4B	#FFFFFF	#000000	##FFFFFF
##280C4B	1.00	16.88	1.24	16.88
#FFFFFF	16.88	1.00	21.00	1.00
#000000	1.24	21.00	1.00	21.00
##FFFFFF	16.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001D4D

Deuteranopia (green-blind)

#001C4A

Tritanopia (blue-blind)

#1F1D2B

Achromatopsia (no color)

#1D1D1D

Design tokens & code

CSS

--color: #280c4b;
/* rgb */ color: rgb(40, 12, 75);
/* oklch */ color: oklch(24.3% 0.107 298.0);

Tailwind

colors: {
  custom: {
    50: '#664e7e',
    500: '#280c4b',
    950: '#000000',
  },
}

SCSS

$custom: #280c4b;
$custom-light: #664e7e;
$custom-dark: #000000;

JSON

{
  "hex": "#280c4b",
  "rgb": {
    "r": 40,
    "g": 12,
    "b": 75
  },
  "hsl": {
    "h": 266.667,
    "s": 72.414,
    "l": 17.059
  },
  "oklch": {
    "l": 0.24343,
    "c": 0.10749,
    "h": 298
  },
  "luminance": 0.01222
}

Semantic roles & 50–950 ramp

primary

#280C4B

secondary

#5E872C

accent

#EF399E

background

#F6F4F7

surface

#EBE7EE

border

#C6C3C9

text

#06020A

muted

#7A787C

Preview Lab

Preview with #280C4B

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

Preview Lab → · Contrast checker → · Palette generator →