#51178E#51178E

#51178E is a dark, vivid violet. Relative luminance 0.043; OKLCH L 37.3% C 0.177 H 299.3°. Best body text is #FFFFFF at 11.27:1 contrast (WCAG AA passes).

Color values

HEX	#51178E
RGB	rgb(81, 23, 142)
HSL	hsl(269, 72%, 32%)
HSV	hsv(269, 84%, 56%)
CMYK	cmyk(43%, 83.8%, 0%, 44.3%)
CIE-LAB	lab(24.69, 48.93, -53.88)
CIE-LCH	lch(24.69, 72.78, 312.25°)
OKLab	oklab(37.33% 0.0865 -0.1542)
OKLCH	oklch(37.33% 0.177 299.3)
XYZ	xyz(8.5810, 4.3150, 25.9667)
Luminance	0.0432 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51178E #548E17

analogous

#17188E #51178E #8D178E

triadic

#51178E #8E5117 #178E51

tetradic

#51178E #8E1718 #548E17 #178E8D

square

#51178E #8E1718 #548E17 #178E8D

split-complementary

#51178E #8E8D17 #188E17

monochromatic

#150625 #330E59 #51178E #6F20C3 #8E3FE0

Accessibility & contrast

On white

11.27

#51178E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.86

#51178E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #51178E

11.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51178E	#FFFFFF	#000000	##FFFFFF
##51178E	1.00	11.27	1.86	11.27
#FFFFFF	11.27	1.00	21.00	1.00
#000000	1.86	21.00	1.00	21.00
##FFFFFF	11.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A91

Deuteranopia (green-blind)

#003A8C

Tritanopia (blue-blind)

#423954

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #51178e;
/* rgb */ color: rgb(81, 23, 142);
/* oklch */ color: oklch(37.3% 0.177 299.3);

Tailwind

colors: {
  custom: {
    50: '#895db0',
    500: '#51178e',
    950: '#000000',
  },
}

SCSS

$custom: #51178e;
$custom-light: #895db0;
$custom-dark: #000000;

JSON

{
  "hex": "#51178e",
  "rgb": {
    "r": 81,
    "g": 23,
    "b": 142
  },
  "hsl": {
    "h": 269.244,
    "s": 72.121,
    "l": 32.353
  },
  "oklch": {
    "l": 0.37329,
    "c": 0.17679,
    "h": 299.3
  },
  "luminance": 0.04315
}

Semantic roles & 50–950 ramp

primary

#51178E

secondary

#82C040

accent

#EF3996

background

#F8F5FB

surface

#F0E9F6

border

#CBC5D0

text

#0C0511

muted

#7D7980

Preview Lab

Preview with #51178E

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

Preview Lab → · Contrast checker → · Palette generator →