#51178C#51178C

#51178C is a dark, vivid violet. Relative luminance 0.043; OKLCH L 37.1% C 0.175 H 299.9°. Best body text is #FFFFFF at 11.34:1 contrast (WCAG AA passes).

Color values

HEX	#51178C
RGB	rgb(81, 23, 140)
HSL	hsl(270, 72%, 32%)
HSV	hsv(270, 84%, 55%)
CMYK	cmyk(42.1%, 83.6%, 0%, 45.1%)
CIE-LAB	lab(24.50, 48.44, -52.94)
CIE-LCH	lch(24.50, 71.76, 312.46°)
OKLab	oklab(37.14% 0.0871 -0.1515)
OKLCH	oklch(37.14% 0.175 299.9)
XYZ	xyz(8.4322, 4.2555, 25.1830)
Luminance	0.0426 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51178C #528C17

analogous

#17178C #51178C #8C178C

triadic

#51178C #8C5117 #178C51

tetradic

#51178C #8C1717 #528C17 #178C8C

square

#51178C #8C1717 #528C17 #178C8C

split-complementary

#51178C #8C8C17 #178C17

monochromatic

#140623 #330E57 #51178C #6F20C1 #8E3EDF

Accessibility & contrast

On white

11.34

#51178C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.85

#51178C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #51178C

11.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51178C	#FFFFFF	#000000	##FFFFFF
##51178C	1.00	11.34	1.85	11.34
#FFFFFF	11.34	1.00	21.00	1.00
#000000	1.85	21.00	1.00	21.00
##FFFFFF	11.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A8F

Deuteranopia (green-blind)

#00398A

Tritanopia (blue-blind)

#433953

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #51178c;
/* rgb */ color: rgb(81, 23, 140);
/* oklch */ color: oklch(37.1% 0.175 299.9);

Tailwind

colors: {
  custom: {
    50: '#885daf',
    500: '#51178c',
    950: '#000000',
  },
}

SCSS

$custom: #51178c;
$custom-light: #885daf;
$custom-dark: #000000;

JSON

{
  "hex": "#51178c",
  "rgb": {
    "r": 81,
    "g": 23,
    "b": 140
  },
  "hsl": {
    "h": 269.744,
    "s": 71.779,
    "l": 31.961
  },
  "oklch": {
    "l": 0.37142,
    "c": 0.17473,
    "h": 299.9
  },
  "luminance": 0.04256
}

Semantic roles & 50–950 ramp

primary

#51178C

secondary

#80BF3F

accent

#EF3995

background

#F8F5FA

surface

#F0E9F5

border

#CBC5CF

text

#0C0510

muted

#7D797F

Preview Lab

Preview with #51178C

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

Preview Lab → · Contrast checker → · Palette generator →