#51197E#51197E

#51197E is a dark, vivid violet. Relative luminance 0.040; OKLCH L 36.1% C 0.158 H 304.5°. Best body text is #FFFFFF at 11.73:1 contrast (WCAG AA passes).

Color values

HEX	#51197E
RGB	rgb(81, 25, 126)
HSL	hsl(273, 67%, 30%)
HSV	hsv(273, 80%, 49%)
CMYK	cmyk(35.7%, 80.2%, 0%, 50.6%)
CIE-LAB	lab(23.51, 44.22, -45.76)
CIE-LCH	lch(23.51, 63.64, 314.02°)
OKLab	oklab(36.06% 0.0898 -0.1304)
OKLCH	oklch(36.06% 0.158 304.5)
XYZ	xyz(7.5060, 3.9510, 20.1018)
Luminance	0.0395 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Indigo

#4B0082

ΔE00 3.36

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51197E #467E19

analogous

#1E197E #51197E #7E1979

triadic

#51197E #7E5119 #197E51

tetradic

#51197E #7E1E19 #467E19 #19797E

square

#51197E #7E1E19 #467E19 #19797E

split-complementary

#51197E #797E19 #197E1E

monochromatic

#10051A #300F4B #51197E #7223B1 #913AD8

Accessibility & contrast

On white

11.73

#51197E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.79

#51197E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #51197E

11.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51197E	#FFFFFF	#000000	##FFFFFF
##51197E	1.00	11.73	1.79	11.73
#FFFFFF	11.73	1.00	21.00	1.00
#000000	1.79	21.00	1.00	21.00
##FFFFFF	11.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003781

Deuteranopia (green-blind)

#00387C

Tritanopia (blue-blind)

#48334B

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #51197e;
/* rgb */ color: rgb(81, 25, 126);
/* oklch */ color: oklch(36.1% 0.158 304.5);

Tailwind

colors: {
  custom: {
    50: '#875da4',
    500: '#51197e',
    950: '#000000',
  },
}

SCSS

$custom: #51197e;
$custom-light: #875da4;
$custom-dark: #000000;

JSON

{
  "hex": "#51197e",
  "rgb": {
    "r": 81,
    "g": 25,
    "b": 126
  },
  "hsl": {
    "h": 273.267,
    "s": 66.887,
    "l": 29.608
  },
  "oklch": {
    "l": 0.36064,
    "c": 0.1583,
    "h": 304.5
  },
  "luminance": 0.03951
}

Semantic roles & 50–950 ramp

primary

#51197E

secondary

#73B241

accent

#EA3E8B

background

#F8F5FA

surface

#F0E9F4

border

#CBC5CE

text

#0C040F

muted

#7D797F

Preview Lab

Preview with #51197E

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

Preview Lab → · Contrast checker → · Palette generator →