#280C51#280C51

#280C51 is a very dark, moderate violet. Relative luminance 0.013; OKLCH L 25.0% C 0.115 H 295.0°. Best body text is #FFFFFF at 16.65:1 contrast (WCAG AA passes).

Color values

HEX	#280C51
RGB	rgb(40, 12, 81)
HSL	hsl(264, 74%, 18%)
HSV	hsv(264, 85%, 32%)
CMYK	cmyk(50.6%, 85.2%, 0%, 68.2%)
CIE-LAB	lab(11.33, 30.71, -36.31)
CIE-LCH	lch(11.33, 47.56, 310.23°)
OKLab	oklab(24.96% 0.0485 -0.1041)
OKLCH	oklch(24.96% 0.115 295)
XYZ	xyz(2.4913, 1.3081, 7.9042)
Luminance	0.0131 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#280C51 #35510C

analogous

#0C1251 #280C51 #4A0C51

triadic

#280C51 #51280C #0C5128

tetradic

#280C51 #510C12 #35510C #0C514A

square

#280C51 #510C12 #35510C #0C514A

split-complementary

#280C51 #514A0C #12510C

monochromatic

#0D041B #0E041C #280C51 #421486 #5D1CBC

Accessibility & contrast

On white

16.65

#280C51 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.26

#280C51 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #280C51

16.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##280C51	#FFFFFF	#000000	##FFFFFF
##280C51	1.00	16.65	1.26	16.65
#FFFFFF	16.65	1.00	21.00	1.00
#000000	1.26	21.00	1.00	21.00
##FFFFFF	16.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001F53

Deuteranopia (green-blind)

#001D50

Tritanopia (blue-blind)

#1C1F2E

Achromatopsia (no color)

#1E1E1E

Design tokens & code

CSS

--color: #280c51;
/* rgb */ color: rgb(40, 12, 81);
/* oklch */ color: oklch(25.0% 0.115 295.0);

Tailwind

colors: {
  custom: {
    50: '#674f83',
    500: '#280c51',
    950: '#000000',
  },
}

SCSS

$custom: #280c51;
$custom-light: #674f83;
$custom-dark: #000000;

JSON

{
  "hex": "#280c51",
  "rgb": {
    "r": 40,
    "g": 12,
    "b": 81
  },
  "hsl": {
    "h": 264.348,
    "s": 74.194,
    "l": 18.235
  },
  "oklch": {
    "l": 0.24959,
    "c": 0.11486,
    "h": 295
  },
  "luminance": 0.01308
}

Semantic roles & 50–950 ramp

primary

#280C51

secondary

#658C2C

accent

#F137A5

background

#F6F4F8

surface

#EBE7EF

border

#C6C3CA

text

#06020A

muted

#7A787C

Preview Lab

Preview with #280C51

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

Preview Lab → · Contrast checker → · Palette generator →