#280B4C#280B4C

#280B4C is a very dark, moderate violet. Relative luminance 0.012; OKLCH L 24.3% C 0.110 H 297.7°. Best body text is #FFFFFF at 16.90:1 contrast (WCAG AA passes).

Color values

HEX	#280B4C
RGB	rgb(40, 11, 76)
HSL	hsl(267, 75%, 17%)
HSV	hsv(267, 86%, 30%)
CMYK	cmyk(47.4%, 85.5%, 0%, 70.2%)
CIE-LAB	lab(10.65, 29.74, -33.98)
CIE-LCH	lch(10.65, 45.16, 311.19°)
OKLab	oklab(24.32% 0.0511 -0.0973)
OKLCH	oklch(24.32% 0.11 297.7)
XYZ	xyz(2.2989, 1.2122, 6.9489)
Luminance	0.0121 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#280B4C #2F4C0B

analogous

#0B0F4C #280B4C #490B4C

triadic

#280B4C #4C280B #0B4C28

tetradic

#280B4C #4C0B0F #2F4C0B #0B4C49

square

#280B4C #4C0B0F #2F4C0B #0B4C49

split-complementary

#280B4C #4C490B #0F4C0B

monochromatic

#0E041B #0E041B #280B4C #441381 #601AB7

Accessibility & contrast

On white

16.90

#280B4C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.24

#280B4C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #280B4C

16.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##280B4C	#FFFFFF	#000000	##FFFFFF
##280B4C	1.00	16.90	1.24	16.90
#FFFFFF	16.90	1.00	21.00	1.00
#000000	1.24	21.00	1.00	21.00
##FFFFFF	16.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001D4E

Deuteranopia (green-blind)

#001C4B

Tritanopia (blue-blind)

#1F1D2B

Achromatopsia (no color)

#1D1D1D

Design tokens & code

CSS

--color: #280b4c;
/* rgb */ color: rgb(40, 11, 76);
/* oklch */ color: oklch(24.3% 0.110 297.7);

Tailwind

colors: {
  custom: {
    50: '#674e7f',
    500: '#280b4c',
    950: '#000000',
  },
}

SCSS

$custom: #280b4c;
$custom-light: #674e7f;
$custom-dark: #000000;

JSON

{
  "hex": "#280b4c",
  "rgb": {
    "r": 40,
    "g": 11,
    "b": 76
  },
  "hsl": {
    "h": 266.769,
    "s": 74.713,
    "l": 17.059
  },
  "oklch": {
    "l": 0.24324,
    "c": 0.10988,
    "h": 297.7
  },
  "luminance": 0.01212
}

Semantic roles & 50–950 ramp

primary

#280B4C

secondary

#5E882B

accent

#F1369E

background

#F6F4F7

surface

#EBE7EE

border

#C6C3C9

text

#06020A

muted

#7A787C

Preview Lab

Preview with #280B4C

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

Preview Lab → · Contrast checker → · Palette generator →