#280B4A#280B4A

#280B4A is a very dark, moderate violet. Relative luminance 0.012; OKLCH L 24.1% C 0.107 H 298.8°. Best body text is #FFFFFF at 16.98:1 contrast (WCAG AA passes).

Color values

HEX	#280B4A
RGB	rgb(40, 11, 74)
HSL	hsl(268, 74%, 17%)
HSV	hsv(268, 85%, 29%)
CMYK	cmyk(45.9%, 85.1%, 0%, 71%)
CIE-LAB	lab(10.44, 29.16, -32.92)
CIE-LCH	lch(10.44, 43.98, 311.53°)
OKLab	oklab(24.12% 0.0517 -0.0942)
OKLCH	oklch(24.12% 0.107 298.8)
XYZ	xyz(2.2305, 1.1848, 6.5884)
Luminance	0.0118 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#280B4A #2D4A0B

analogous

#0B0E4A #280B4A #480B4A

triadic

#280B4A #4A280B #0B4A28

tetradic

#280B4A #4A0B0E #2D4A0B #0B4A48

square

#280B4A #4A0B0E #2D4A0B #0B4A48

split-complementary

#280B4A #4A480B #0E4A0B

monochromatic

#0E041B #0E041B #280B4A #45137F #621BB5

Accessibility & contrast

On white

16.98

#280B4A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.24

#280B4A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #280B4A

16.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##280B4A	#FFFFFF	#000000	##FFFFFF
##280B4A	1.00	16.98	1.24	16.98
#FFFFFF	16.98	1.00	21.00	1.00
#000000	1.24	21.00	1.00	21.00
##FFFFFF	16.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001C4C

Deuteranopia (green-blind)

#001C49

Tritanopia (blue-blind)

#201C2A

Achromatopsia (no color)

#1C1C1C

Design tokens & code

CSS

--color: #280b4a;
/* rgb */ color: rgb(40, 11, 74);
/* oklch */ color: oklch(24.1% 0.107 298.8);

Tailwind

colors: {
  custom: {
    50: '#664e7d',
    500: '#280b4a',
    950: '#000000',
  },
}

SCSS

$custom: #280b4a;
$custom-light: #664e7d;
$custom-dark: #000000;

JSON

{
  "hex": "#280b4a",
  "rgb": {
    "r": 40,
    "g": 11,
    "b": 74
  },
  "hsl": {
    "h": 267.619,
    "s": 74.118,
    "l": 16.667
  },
  "oklch": {
    "l": 0.2412,
    "c": 0.10745,
    "h": 298.8
  },
  "luminance": 0.01185
}

Semantic roles & 50–950 ramp

primary

#280B4A

secondary

#5C862B

accent

#F1379B

background

#F6F4F7

surface

#EBE7EE

border

#C6C3C9

text

#06010A

muted

#7A777C

Preview Lab

Preview with #280B4A

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

Preview Lab → · Contrast checker → · Palette generator →