#280C53#280C53

#280C53 is a dark, moderate violet. Relative luminance 0.013; OKLCH L 25.2% C 0.117 H 294.1°. Best body text is #FFFFFF at 16.56:1 contrast (WCAG AA passes).

Color values

HEX	#280C53
RGB	rgb(40, 12, 83)
HSL	hsl(264, 75%, 19%)
HSV	hsv(264, 86%, 33%)
CMYK	cmyk(51.8%, 85.5%, 0%, 67.5%)
CIE-LAB	lab(11.54, 31.31, -37.33)
CIE-LCH	lch(11.54, 48.72, 309.98°)
OKLab	oklab(25.17% 0.0478 -0.1071)
OKLCH	oklch(25.17% 0.117 294.1)
XYZ	xyz(2.5674, 1.3385, 8.3050)
Luminance	0.0134 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#280C53 #37530C

analogous

#0C1353 #280C53 #4B0C53

triadic

#280C53 #53280C #0C5328

tetradic

#280C53 #530C13 #37530C #0C534B

square

#280C53 #530C13 #37530C #0C534B

split-complementary

#280C53 #534B0C #13530C

monochromatic

#0D041B #0E041E #280C53 #421488 #5C1BBE

Accessibility & contrast

On white

16.56

#280C53 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.27

#280C53 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #280C53

16.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##280C53	#FFFFFF	#000000	##FFFFFF
##280C53	1.00	16.56	1.27	16.56
#FFFFFF	16.56	1.00	21.00	1.00
#000000	1.27	21.00	1.00	21.00
##FFFFFF	16.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001F55

Deuteranopia (green-blind)

#001D52

Tritanopia (blue-blind)

#1B202F

Achromatopsia (no color)

#1F1F1F

Design tokens & code

CSS

--color: #280c53;
/* rgb */ color: rgb(40, 12, 83);
/* oklch */ color: oklch(25.2% 0.117 294.1);

Tailwind

colors: {
  custom: {
    50: '#684f84',
    500: '#280c53',
    950: '#000000',
  },
}

SCSS

$custom: #280c53;
$custom-light: #684f84;
$custom-dark: #000000;

JSON

{
  "hex": "#280c53",
  "rgb": {
    "r": 40,
    "g": 12,
    "b": 83
  },
  "hsl": {
    "h": 263.662,
    "s": 74.737,
    "l": 18.627
  },
  "oklch": {
    "l": 0.2517,
    "c": 0.1173,
    "h": 294.1
  },
  "luminance": 0.01339
}

Semantic roles & 50–950 ramp

primary

#280C53

secondary

#688E2D

accent

#F136A8

background

#F6F4F8

surface

#EBE7EF

border

#C6C3CA

text

#06020B

muted

#7A787C

Preview Lab

Preview with #280C53

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

Preview Lab → · Contrast checker → · Palette generator →