#51217D#51217D

#51217D is a dark, vivid violet. Relative luminance 0.043; OKLCH L 36.9% C 0.148 H 303.7°. Best body text is #FFFFFF at 11.27:1 contrast (WCAG AA passes).

Color values

HEX	#51217D
RGB	rgb(81, 33, 125)
HSL	hsl(271, 58%, 31%)
HSV	hsv(271, 74%, 49%)
CMYK	cmyk(35.2%, 73.6%, 0%, 51%)
CIE-LAB	lab(24.70, 40.36, -43.20)
CIE-LCH	lch(24.70, 59.12, 313.05°)
OKLab	oklab(36.88% 0.082 -0.1229)
OKLCH	oklch(36.88% 0.148 303.7)
XYZ	xyz(7.6380, 4.3177, 19.8291)
Luminance	0.0432 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Indigo

#4B0082

ΔE00 4.83

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51217D #4D7D21

analogous

#23217D #51217D #7D217B

triadic

#51217D #7D5121 #217D51

tetradic

#51217D #7D2321 #4D7D21 #217B7D

square

#51217D #7D2321 #4D7D21 #217B7D

split-complementary

#51217D #7B7D21 #217D23

monochromatic

#12071C #32144D #51217D #702EAD #8F49CF

Accessibility & contrast

On white

11.27

#51217D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.86

#51217D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #51217D

11.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51217D	#FFFFFF	#000000	##FFFFFF
##51217D	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)

#003A80

Deuteranopia (green-blind)

#003A7B

Tritanopia (blue-blind)

#48374C

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #51217d;
/* rgb */ color: rgb(81, 33, 125);
/* oklch */ color: oklch(36.9% 0.148 303.7);

Tailwind

colors: {
  custom: {
    50: '#8661a3',
    500: '#51217d',
    950: '#000000',
  },
}

SCSS

$custom: #51217d;
$custom-light: #8661a3;
$custom-dark: #000000;

JSON

{
  "hex": "#51217d",
  "rgb": {
    "r": 81,
    "g": 33,
    "b": 125
  },
  "hsl": {
    "h": 271.304,
    "s": 58.228,
    "l": 30.98
  },
  "oklch": {
    "l": 0.36875,
    "c": 0.14778,
    "h": 303.7
  },
  "luminance": 0.04318
}

Semantic roles & 50–950 ramp

primary

#51217D

secondary

#7BB04A

accent

#E14691

background

#F8F5FA

surface

#F0EAF4

border

#CBC6CE

text

#0C050F

muted

#7D797F

Preview Lab

Preview with #51217D

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

Preview Lab → · Contrast checker → · Palette generator →