#280C43#280C43

#280C43 is a very dark, moderate violet. Relative luminance 0.011; OKLCH L 23.6% C 0.098 H 302.6°. Best body text is #FFFFFF at 17.16:1 contrast (WCAG AA passes).

Color values

HEX	#280C43
RGB	rgb(40, 12, 67)
HSL	hsl(271, 70%, 15%)
HSV	hsv(271, 82%, 26%)
CMYK	cmyk(40.3%, 82.1%, 0%, 73.7%)
CIE-LAB	lab(9.95, 26.64, -28.83)
CIE-LCH	lch(9.95, 39.25, 312.74°)
OKLab	oklab(23.56% 0.0526 -0.0821)
OKLCH	oklch(23.56% 0.098 302.6)
XYZ	xyz(2.0194, 1.1193, 5.4188)
Luminance	0.0112 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#280C43 #27430C

analogous

#0C0C43 #280C43 #430C42

triadic

#280C43 #43280C #0C4328

tetradic

#280C43 #430C0C #27430C #0C4243

square

#280C43 #430C0C #27430C #0C4243

split-complementary

#280C43 #42430C #0C430C

monochromatic

#0F051A #0F051A #280C43 #471577 #661FAB

Accessibility & contrast

On white

17.16

#280C43 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.22

#280C43 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #280C43

17.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##280C43	#FFFFFF	#000000	##FFFFFF
##280C43	1.00	17.16	1.22	17.16
#FFFFFF	17.16	1.00	21.00	1.00
#000000	1.22	21.00	1.00	21.00
##FFFFFF	17.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001B45

Deuteranopia (green-blind)

#001B42

Tritanopia (blue-blind)

#221A26

Achromatopsia (no color)

#1B1B1B

Design tokens & code

CSS

--color: #280c43;
/* rgb */ color: rgb(40, 12, 67);
/* oklch */ color: oklch(23.6% 0.098 302.6);

Tailwind

colors: {
  custom: {
    50: '#654e78',
    500: '#280c43',
    950: '#000000',
  },
}

SCSS

$custom: #280c43;
$custom-light: #654e78;
$custom-dark: #000000;

JSON

{
  "hex": "#280c43",
  "rgb": {
    "r": 40,
    "g": 12,
    "b": 67
  },
  "hsl": {
    "h": 270.545,
    "s": 69.62,
    "l": 15.49
  },
  "oklch": {
    "l": 0.23561,
    "c": 0.09756,
    "h": 302.6
  },
  "luminance": 0.01119
}

Semantic roles & 50–950 ramp

primary

#280C43

secondary

#557F2C

accent

#EC3B92

background

#F6F4F7

surface

#EBE7ED

border

#C6C3C8

text

#060109

muted

#7A777B

Preview Lab

Preview with #280C43

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

Preview Lab → · Contrast checker → · Palette generator →