#280B47#280B47

#280B47 is a very dark, moderate violet. Relative luminance 0.011; OKLCH L 23.8% C 0.104 H 300.5°. Best body text is #FFFFFF at 17.09:1 contrast (WCAG AA passes).

Color values

HEX	#280B47
RGB	rgb(40, 11, 71)
HSL	hsl(269, 73%, 16%)
HSV	hsv(269, 85%, 28%)
CMYK	cmyk(43.7%, 84.5%, 0%, 72.2%)
CIE-LAB	lab(10.15, 28.30, -31.31)
CIE-LCH	lch(10.15, 42.21, 312.10°)
OKLab	oklab(23.82% 0.0527 -0.0894)
OKLCH	oklch(23.82% 0.104 300.5)
XYZ	xyz(2.1318, 1.1454, 6.0688)
Luminance	0.0115 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#280B47 #2A470B

analogous

#0B0C47 #280B47 #460B47

triadic

#280B47 #47280B #0B4728

tetradic

#280B47 #470B0C #2A470B #0B4746

square

#280B47 #470B0C #2A470B #0B4746

split-complementary

#280B47 #47460B #0C470B

monochromatic

#0F041A #0F041A #280B47 #46137C #641BB1

Accessibility & contrast

On white

17.09

#280B47 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.23

#280B47 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #280B47

17.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##280B47	#FFFFFF	#000000	##FFFFFF
##280B47	1.00	17.09	1.23	17.09
#FFFFFF	17.09	1.00	21.00	1.00
#000000	1.23	21.00	1.00	21.00
##FFFFFF	17.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001C49

Deuteranopia (green-blind)

#001B46

Tritanopia (blue-blind)

#211B28

Achromatopsia (no color)

#1C1C1C

Design tokens & code

CSS

--color: #280b47;
/* rgb */ color: rgb(40, 11, 71);
/* oklch */ color: oklch(23.8% 0.104 300.5);

Tailwind

colors: {
  custom: {
    50: '#664d7b',
    500: '#280b47',
    950: '#000000',
  },
}

SCSS

$custom: #280b47;
$custom-light: #664d7b;
$custom-dark: #000000;

JSON

{
  "hex": "#280b47",
  "rgb": {
    "r": 40,
    "g": 11,
    "b": 71
  },
  "hsl": {
    "h": 269,
    "s": 73.171,
    "l": 16.078
  },
  "oklch": {
    "l": 0.2382,
    "c": 0.10379,
    "h": 300.5
  },
  "luminance": 0.01145
}

Semantic roles & 50–950 ramp

primary

#280B47

secondary

#58832A

accent

#F03897

background

#F6F4F7

surface

#EBE7EE

border

#C6C3C9

text

#060109

muted

#7A777B

Preview Lab

Preview with #280B47

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

Preview Lab → · Contrast checker → · Palette generator →