#51217B#51217B

#51217B is a dark, vivid violet. Relative luminance 0.043; OKLCH L 36.7% C 0.146 H 304.5°. Best body text is #FFFFFF at 11.33:1 contrast (WCAG AA passes).

Color values

HEX	#51217B
RGB	rgb(81, 33, 123)
HSL	hsl(272, 58%, 31%)
HSV	hsv(272, 73%, 48%)
CMYK	cmyk(34.1%, 73.2%, 0%, 51.8%)
CIE-LAB	lab(24.54, 39.85, -42.19)
CIE-LCH	lch(24.54, 58.03, 313.36°)
OKLab	oklab(36.71% 0.0824 -0.12)
OKLCH	oklch(36.71% 0.146 304.5)
XYZ	xyz(7.5115, 4.2671, 19.1630)
Luminance	0.0427 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Indigo

#4B0082

ΔE00 4.99

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51217B #4B7B21

analogous

#24217B #51217B #7B2178

triadic

#51217B #7B5121 #217B51

tetradic

#51217B #7B2421 #4B7B21 #21787B

square

#51217B #7B2421 #4B7B21 #21787B

split-complementary

#51217B #787B21 #217B24

monochromatic

#11071A #31144B #51217B #712EAB #9048CE

Accessibility & contrast

On white

11.33

#51217B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.85

#51217B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #51217B

11.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51217B	#FFFFFF	#000000	##FFFFFF
##51217B	1.00	11.33	1.85	11.33
#FFFFFF	11.33	1.00	21.00	1.00
#000000	1.85	21.00	1.00	21.00
##FFFFFF	11.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00397E

Deuteranopia (green-blind)

#003A79

Tritanopia (blue-blind)

#49364B

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #51217b;
/* rgb */ color: rgb(81, 33, 123);
/* oklch */ color: oklch(36.7% 0.146 304.5);

Tailwind

colors: {
  custom: {
    50: '#8661a2',
    500: '#51217b',
    950: '#000000',
  },
}

SCSS

$custom: #51217b;
$custom-light: #8661a2;
$custom-dark: #000000;

JSON

{
  "hex": "#51217b",
  "rgb": {
    "r": 81,
    "g": 33,
    "b": 123
  },
  "hsl": {
    "h": 272,
    "s": 57.692,
    "l": 30.588
  },
  "oklch": {
    "l": 0.36712,
    "c": 0.14553,
    "h": 304.5
  },
  "luminance": 0.04267
}

Semantic roles & 50–950 ramp

primary

#51217B

secondary

#79AE4A

accent

#E1478F

background

#F8F5FA

surface

#F0EAF3

border

#CBC6CD

text

#0C050F

muted

#7D797F

Preview Lab

Preview with #51217B

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

Preview Lab → · Contrast checker → · Palette generator →