#280C55#280C55

#280C55 is a dark, moderate violet. Relative luminance 0.014; OKLCH L 25.4% C 0.120 H 293.2°. Best body text is #FFFFFF at 16.48:1 contrast (WCAG AA passes).

Color values

HEX	#280C55
RGB	rgb(40, 12, 85)
HSL	hsl(263, 75%, 19%)
HSV	hsv(263, 86%, 33%)
CMYK	cmyk(52.9%, 85.9%, 0%, 66.7%)
CIE-LAB	lab(11.76, 31.90, -38.35)
CIE-LCH	lch(11.76, 49.88, 309.76°)
OKLab	oklab(25.38% 0.0471 -0.1101)
OKLCH	oklch(25.38% 0.12 293.2)
XYZ	xyz(2.6458, 1.3698, 8.7176)
Luminance	0.0137 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#280C55 #39550C

analogous

#0C1455 #280C55 #4D0C55

triadic

#280C55 #55280C #0C5528

tetradic

#280C55 #550C14 #39550C #0C554D

square

#280C55 #550C14 #39550C #0C554D

split-complementary

#280C55 #554D0C #14550C

monochromatic

#0D041B #0F041F #280C55 #41148B #5A1BC0

Accessibility & contrast

On white

16.48

#280C55 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.27

#280C55 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #280C55

16.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##280C55	#FFFFFF	#000000	##FFFFFF
##280C55	1.00	16.48	1.27	16.48
#FFFFFF	16.48	1.00	21.00	1.00
#000000	1.27	21.00	1.00	21.00
##FFFFFF	16.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002057

Deuteranopia (green-blind)

#001E54

Tritanopia (blue-blind)

#1A2131

Achromatopsia (no color)

#1F1F1F

Design tokens & code

CSS

--color: #280c55;
/* rgb */ color: rgb(40, 12, 85);
/* oklch */ color: oklch(25.4% 0.120 293.2);

Tailwind

colors: {
  custom: {
    50: '#684f86',
    500: '#280c55',
    950: '#000000',
  },
}

SCSS

$custom: #280c55;
$custom-light: #684f86;
$custom-dark: #000000;

JSON

{
  "hex": "#280c55",
  "rgb": {
    "r": 40,
    "g": 12,
    "b": 85
  },
  "hsl": {
    "h": 263.014,
    "s": 75.258,
    "l": 19.02
  },
  "oklch": {
    "l": 0.25383,
    "c": 0.11974,
    "h": 293.2
  },
  "luminance": 0.0137
}

Semantic roles & 50–950 ramp

primary

#280C55

secondary

#6A902D

accent

#F236AA

background

#F6F4F8

surface

#EBE7EF

border

#C6C3CA

text

#07020B

muted

#7A787C

Preview Lab

Preview with #280C55

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

Preview Lab → · Contrast checker → · Palette generator →