#51278E#51278E

#51278E is a dark, vivid violet. Relative luminance 0.052; OKLCH L 39.1% C 0.160 H 297.0°. Best body text is #FFFFFF at 10.34:1 contrast (WCAG AA passes).

Color values

HEX	#51278E
RGB	rgb(81, 39, 142)
HSL	hsl(264, 57%, 35%)
HSV	hsv(264, 73%, 56%)
CMYK	cmyk(43%, 72.5%, 0%, 44.3%)
CIE-LAB	lab(27.17, 41.83, -49.82)
CIE-LCH	lch(27.17, 65.06, 310.02°)
OKLab	oklab(39.07% 0.0725 -0.1424)
OKLCH	oklch(39.07% 0.16 297)
XYZ	xyz(9.0001, 5.1532, 26.1064)
Luminance	0.0515 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

#4B006E

ΔE00 7.73

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51278E #648E27

analogous

#27308E #51278E #84278E

triadic

#51278E #8E5127 #278E51

tetradic

#51278E #8E2730 #648E27 #278E84

square

#51278E #8E2730 #648E27 #278E84

split-complementary

#51278E #8E8427 #308E27

monochromatic

#1A0D2E #361A5E #51278E #6C34BE #8D5DD2

Accessibility & contrast

On white

10.34

#51278E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.03

#51278E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #51278E

10.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51278E	#FFFFFF	#000000	##FFFFFF
##51278E	1.00	10.34	2.03	10.34
#FFFFFF	10.34	1.00	21.00	1.00
#000000	2.03	21.00	1.00	21.00
##FFFFFF	10.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004191

Deuteranopia (green-blind)

#003F8C

Tritanopia (blue-blind)

#414158

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #51278e;
/* rgb */ color: rgb(81, 39, 142);
/* oklch */ color: oklch(39.1% 0.160 297.0);

Tailwind

colors: {
  custom: {
    50: '#8865b0',
    500: '#51278e',
    950: '#000000',
  },
}

SCSS

$custom: #51278e;
$custom-light: #8865b0;
$custom-dark: #000000;

JSON

{
  "hex": "#51278e",
  "rgb": {
    "r": 81,
    "g": 39,
    "b": 142
  },
  "hsl": {
    "h": 264.466,
    "s": 56.906,
    "l": 35.49
  },
  "oklch": {
    "l": 0.39069,
    "c": 0.15981,
    "h": 297
  },
  "luminance": 0.05153
}

Semantic roles & 50–950 ramp

primary

#51278E

secondary

#91B859

accent

#E048A2

background

#F8F6FA

surface

#F0EBF5

border

#CBC6CF

text

#0C0611

muted

#7D7A80

Preview Lab

Preview with #51278E

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

Preview Lab → · Contrast checker → · Palette generator →