#280B3F#280B3F

#280B3F is a very dark, moderate violet. Relative luminance 0.010; OKLCH L 23.1% C 0.094 H 305.6°. Best body text is #FFFFFF at 17.36:1 contrast (WCAG AA passes).

Color values

HEX	#280B3F
RGB	rgb(40, 11, 63)
HSL	hsl(273, 70%, 15%)
HSV	hsv(273, 83%, 25%)
CMYK	cmyk(36.5%, 82.5%, 0%, 75.3%)
CIE-LAB	lab(9.40, 26.03, -26.89)
CIE-LCH	lch(9.40, 37.43, 314.08°)
OKLab	oklab(23.06% 0.0547 -0.0764)
OKLCH	oklch(23.06% 0.094 305.6)
XYZ	xyz(1.8917, 1.0494, 4.8045)
Luminance	0.0105 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#280B3F #223F0B

analogous

#0E0B3F #280B3F #3F0B3C

triadic

#280B3F #3F280B #0B3F28

tetradic

#280B3F #3F0E0B #223F0B #0B3C3F

square

#280B3F #3F0E0B #223F0B #0B3C3F

split-complementary

#280B3F #3C3F0B #0B3F0E

monochromatic

#11051A #11051A #280B3F #491473 #6A1DA7

Accessibility & contrast

On white

17.36

#280B3F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.21

#280B3F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #280B3F

17.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##280B3F	#FFFFFF	#000000	##FFFFFF
##280B3F	1.00	17.36	1.21	17.36
#FFFFFF	17.36	1.00	21.00	1.00
#000000	1.21	21.00	1.00	21.00
##FFFFFF	17.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001940

Deuteranopia (green-blind)

#001A3E

Tritanopia (blue-blind)

#241724

Achromatopsia (no color)

#1A1A1A

Design tokens & code

CSS

--color: #280b3f;
/* rgb */ color: rgb(40, 11, 63);
/* oklch */ color: oklch(23.1% 0.094 305.6);

Tailwind

colors: {
  custom: {
    50: '#654d74',
    500: '#280b3f',
    950: '#000000',
  },
}

SCSS

$custom: #280b3f;
$custom-light: #654d74;
$custom-dark: #000000;

JSON

{
  "hex": "#280b3f",
  "rgb": {
    "r": 40,
    "g": 11,
    "b": 63
  },
  "hsl": {
    "h": 273.462,
    "s": 70.27,
    "l": 14.51
  },
  "oklch": {
    "l": 0.23055,
    "c": 0.09399,
    "h": 305.6
  },
  "luminance": 0.01049
}

Semantic roles & 50–950 ramp

primary

#280B3F

secondary

#4E7C2A

accent

#ED3B8A

background

#F6F4F7

surface

#EBE7ED

border

#C6C3C8

text

#060108

muted

#7A777B

Preview Lab

Preview with #280B3F

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

Preview Lab → · Contrast checker → · Palette generator →