#51287A#51287A

#51287A is a dark, vivid violet. Relative luminance 0.047; OKLCH L 37.6% C 0.135 H 303.5°. Best body text is #FFFFFF at 10.86:1 contrast (WCAG AA passes).

Color values

HEX	#51287A
RGB	rgb(81, 40, 122)
HSL	hsl(270, 51%, 32%)
HSV	hsv(270, 67%, 48%)
CMYK	cmyk(33.6%, 67.2%, 0%, 52.2%)
CIE-LAB	lab(25.78, 35.93, -39.55)
CIE-LCH	lch(25.78, 53.43, 312.26°)
OKLab	oklab(37.58% 0.0743 -0.1122)
OKLCH	oklch(37.58% 0.135 303.5)
XYZ	xyz(7.6642, 4.6721, 18.9066)
Luminance	0.0467 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Rebeccapurple

#663399

ΔE00 6.16

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51287A #517A28

analogous

#28287A #51287A #7A287A

triadic

#51287A #7A5128 #287A51

tetradic

#51287A #7A2828 #517A28 #287A7A

square

#51287A #7A2828 #517A28 #287A7A

split-complementary

#51287A #7A7A28 #287A28

monochromatic

#140A1E #32194C #51287A #7037A8 #8E55C7

Accessibility & contrast

On white

10.86

#51287A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.93

#51287A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #51287A

10.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51287A	#FFFFFF	#000000	##FFFFFF
##51287A	1.00	10.86	1.93	10.86
#FFFFFF	10.86	1.00	21.00	1.00
#000000	1.93	21.00	1.00	21.00
##FFFFFF	10.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003C7D

Deuteranopia (green-blind)

#0D3D78

Tritanopia (blue-blind)

#493A4D

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #51287a;
/* rgb */ color: rgb(81, 40, 122);
/* oklch */ color: oklch(37.6% 0.135 303.5);

Tailwind

colors: {
  custom: {
    50: '#8565a1',
    500: '#51287a',
    950: '#000000',
  },
}

SCSS

$custom: #51287a;
$custom-light: #8565a1;
$custom-dark: #000000;

JSON

{
  "hex": "#51287a",
  "rgb": {
    "r": 81,
    "g": 40,
    "b": 122
  },
  "hsl": {
    "h": 270,
    "s": 50.617,
    "l": 31.765
  },
  "oklch": {
    "l": 0.37579,
    "c": 0.13458,
    "h": 303.5
  },
  "luminance": 0.04672
}

Semantic roles & 50–950 ramp

primary

#51287A

secondary

#7FAC52

accent

#DA4E94

background

#F8F6FA

surface

#F0EBF3

border

#CBC6CD

text

#0B060F

muted

#7C7A7F

Preview Lab

Preview with #51287A

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

Preview Lab → · Contrast checker → · Palette generator →