#51197D#51197D

#51197D is a dark, vivid violet. Relative luminance 0.039; OKLCH L 36.0% C 0.157 H 304.9°. Best body text is #FFFFFF at 11.76:1 contrast (WCAG AA passes).

Color values

HEX	#51197D
RGB	rgb(81, 25, 125)
HSL	hsl(274, 67%, 29%)
HSV	hsv(274, 80%, 49%)
CMYK	cmyk(35.2%, 80%, 0%, 51%)
CIE-LAB	lab(23.42, 43.98, -45.27)
CIE-LCH	lch(23.42, 63.11, 314.17°)
OKLab	oklab(35.98% 0.09 -0.1289)
OKLCH	oklch(35.98% 0.157 304.9)
XYZ	xyz(7.4418, 3.9253, 19.7637)
Luminance	0.0393 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Indigo

#4B0082

ΔE00 3.43

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51197D #457D19

analogous

#1F197D #51197D #7D1977

triadic

#51197D #7D5119 #197D51

tetradic

#51197D #7D1F19 #457D19 #19777D

square

#51197D #7D1F19 #457D19 #19777D

split-complementary

#51197D #777D19 #197D1F

monochromatic

#11051A #300F4A #51197D #7223B0 #9239D7

Accessibility & contrast

On white

11.76

#51197D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.79

#51197D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #51197D

11.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51197D	#FFFFFF	#000000	##FFFFFF
##51197D	1.00	11.76	1.79	11.76
#FFFFFF	11.76	1.00	21.00	1.00
#000000	1.79	21.00	1.00	21.00
##FFFFFF	11.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003680

Deuteranopia (green-blind)

#00387B

Tritanopia (blue-blind)

#49334B

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #51197d;
/* rgb */ color: rgb(81, 25, 125);
/* oklch */ color: oklch(36.0% 0.157 304.9);

Tailwind

colors: {
  custom: {
    50: '#875da3',
    500: '#51197d',
    950: '#000000',
  },
}

SCSS

$custom: #51197d;
$custom-light: #875da3;
$custom-dark: #000000;

JSON

{
  "hex": "#51197d",
  "rgb": {
    "r": 81,
    "g": 25,
    "b": 125
  },
  "hsl": {
    "h": 273.6,
    "s": 66.667,
    "l": 29.412
  },
  "oklch": {
    "l": 0.35978,
    "c": 0.15726,
    "h": 304.9
  },
  "luminance": 0.03925
}

Semantic roles & 50–950 ramp

primary

#51197D

secondary

#72B140

accent

#EA3E8A

background

#F8F5FA

surface

#F0E9F4

border

#CBC5CE

text

#0C040F

muted

#7D797F

Preview Lab

Preview with #51197D

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

Preview Lab → · Contrast checker → · Palette generator →