#51178F#51178F

#51178F is a dark, vivid violet. Relative luminance 0.043; OKLCH L 37.4% C 0.178 H 299.0°. Best body text is #FFFFFF at 11.24:1 contrast (WCAG AA passes).

Color values

HEX	#51178F
RGB	rgb(81, 23, 143)
HSL	hsl(269, 72%, 33%)
HSV	hsv(269, 84%, 56%)
CMYK	cmyk(43.4%, 83.9%, 0%, 43.9%)
CIE-LAB	lab(24.78, 49.18, -54.34)
CIE-LCH	lch(24.78, 73.29, 312.14°)
OKLab	oklab(37.42% 0.0861 -0.1556)
OKLCH	oklch(37.42% 0.178 299)
XYZ	xyz(8.6564, 4.3452, 26.3639)
Luminance	0.0435 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51178F #558F17

analogous

#17198F #51178F #8D178F

triadic

#51178F #8F5117 #178F51

tetradic

#51178F #8F1719 #558F17 #178F8D

square

#51178F #8F1719 #558F17 #178F8D

split-complementary

#51178F #8F8D17 #198F17

monochromatic

#150626 #330F5A #51178F #6F1FC4 #8E40E0

Accessibility & contrast

On white

11.24

#51178F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.87

#51178F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #51178F

11.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51178F	#FFFFFF	#000000	##FFFFFF
##51178F	1.00	11.24	1.87	11.24
#FFFFFF	11.24	1.00	21.00	1.00
#000000	1.87	21.00	1.00	21.00
##FFFFFF	11.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003B92

Deuteranopia (green-blind)

#003A8D

Tritanopia (blue-blind)

#413A55

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #51178f;
/* rgb */ color: rgb(81, 23, 143);
/* oklch */ color: oklch(37.4% 0.178 299.0);

Tailwind

colors: {
  custom: {
    50: '#895db1',
    500: '#51178f',
    950: '#000000',
  },
}

SCSS

$custom: #51178f;
$custom-light: #895db1;
$custom-dark: #000000;

JSON

{
  "hex": "#51178f",
  "rgb": {
    "r": 81,
    "g": 23,
    "b": 143
  },
  "hsl": {
    "h": 269,
    "s": 72.289,
    "l": 32.549
  },
  "oklch": {
    "l": 0.37423,
    "c": 0.17781,
    "h": 299
  },
  "luminance": 0.04345
}

Semantic roles & 50–950 ramp

primary

#51178F

secondary

#83C141

accent

#EF3997

background

#F8F5FB

surface

#F0E9F6

border

#CBC5D0

text

#0C0511

muted

#7D7980

Preview Lab

Preview with #51178F

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

Preview Lab → · Contrast checker → · Palette generator →