#280B43#280B43

#280B43 is a very dark, moderate violet. Relative luminance 0.011; OKLCH L 23.4% C 0.099 H 302.9°. Best body text is #FFFFFF at 17.22:1 contrast (WCAG AA passes).

Color values

HEX	#280B43
RGB	rgb(40, 11, 67)
HSL	hsl(271, 72%, 15%)
HSV	hsv(271, 84%, 26%)
CMYK	cmyk(40.3%, 83.6%, 0%, 73.7%)
CIE-LAB	lab(9.76, 27.16, -29.13)
CIE-LCH	lch(9.76, 39.82, 313.00°)
OKLab	oklab(23.43% 0.0538 -0.083)
OKLCH	oklch(23.43% 0.099 302.9)
XYZ	xyz(2.0076, 1.0957, 5.4148)
Luminance	0.0110 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#280B43 #26430B

analogous

#0C0B43 #280B43 #430B42

triadic

#280B43 #43280B #0B4328

tetradic

#280B43 #430C0B #26430B #0B4243

square

#280B43 #430C0B #26430B #0B4243

split-complementary

#280B43 #42430B #0B430C

monochromatic

#10041A #10041A #280B43 #471478 #671CAC

Accessibility & contrast

On white

17.22

#280B43 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.22

#280B43 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #280B43

17.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##280B43	#FFFFFF	#000000	##FFFFFF
##280B43	1.00	17.22	1.22	17.22
#FFFFFF	17.22	1.00	21.00	1.00
#000000	1.22	21.00	1.00	21.00
##FFFFFF	17.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001A45

Deuteranopia (green-blind)

#001B42

Tritanopia (blue-blind)

#221926

Achromatopsia (no color)

#1B1B1B

Design tokens & code

CSS

--color: #280b43;
/* rgb */ color: rgb(40, 11, 67);
/* oklch */ color: oklch(23.4% 0.099 302.9);

Tailwind

colors: {
  custom: {
    50: '#654d78',
    500: '#280b43',
    950: '#000000',
  },
}

SCSS

$custom: #280b43;
$custom-light: #654d78;
$custom-dark: #000000;

JSON

{
  "hex": "#280b43",
  "rgb": {
    "r": 40,
    "g": 11,
    "b": 67
  },
  "hsl": {
    "h": 271.071,
    "s": 71.795,
    "l": 15.294
  },
  "oklch": {
    "l": 0.23431,
    "c": 0.0989,
    "h": 302.9
  },
  "luminance": 0.01096
}

Semantic roles & 50–950 ramp

primary

#280B43

secondary

#53802A

accent

#EF3991

background

#F6F4F7

surface

#EBE7ED

border

#C6C3C8

text

#060109

muted

#7A777B

Preview Lab

Preview with #280B43

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

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