#51178A#51178A

#51178A is a dark, vivid violet. Relative luminance 0.042; OKLCH L 37.0% C 0.173 H 300.6°. Best body text is #FFFFFF at 11.42:1 contrast (WCAG AA passes).

Color values

HEX	#51178A
RGB	rgb(81, 23, 138)
HSL	hsl(270, 71%, 32%)
HSV	hsv(270, 83%, 54%)
CMYK	cmyk(41.3%, 83.3%, 0%, 45.9%)
CIE-LAB	lab(24.31, 47.94, -52.00)
CIE-LCH	lch(24.31, 70.73, 312.68°)
OKLab	oklab(36.96% 0.0878 -0.1487)
OKLCH	oklch(36.96% 0.173 300.6)
XYZ	xyz(8.2860, 4.1970, 24.4134)
Luminance	0.0420 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51178A #508A17

analogous

#18178A #51178A #8A178A

triadic

#51178A #8A5117 #178A51

tetradic

#51178A #8A1817 #508A17 #178A8A

square

#51178A #8A1817 #508A17 #178A8A

split-complementary

#51178A #8A8A17 #178A18

monochromatic

#130621 #320E56 #51178A #7020BE #8E3DDF

Accessibility & contrast

On white

11.42

#51178A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.84

#51178A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #51178A

11.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51178A	#FFFFFF	#000000	##FFFFFF
##51178A	1.00	11.42	1.84	11.42
#FFFFFF	11.42	1.00	21.00	1.00
#000000	1.84	21.00	1.00	21.00
##FFFFFF	11.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00398D

Deuteranopia (green-blind)

#003988

Tritanopia (blue-blind)

#443852

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #51178a;
/* rgb */ color: rgb(81, 23, 138);
/* oklch */ color: oklch(37.0% 0.173 300.6);

Tailwind

colors: {
  custom: {
    50: '#885dad',
    500: '#51178a',
    950: '#000000',
  },
}

SCSS

$custom: #51178a;
$custom-light: #885dad;
$custom-dark: #000000;

JSON

{
  "hex": "#51178a",
  "rgb": {
    "r": 81,
    "g": 23,
    "b": 138
  },
  "hsl": {
    "h": 270.261,
    "s": 71.429,
    "l": 31.569
  },
  "oklch": {
    "l": 0.36956,
    "c": 0.17269,
    "h": 300.6
  },
  "luminance": 0.04197
}

Semantic roles & 50–950 ramp

primary

#51178A

secondary

#7EBE3F

accent

#EE3A93

background

#F8F5FA

surface

#F0E9F4

border

#CBC5CE

text

#0C0510

muted

#7D797F

Preview Lab

Preview with #51178A

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

Preview Lab → · Contrast checker → · Palette generator →