#51227C#51227C

#51227C is a dark, vivid violet. Relative luminance 0.043; OKLCH L 36.9% C 0.145 H 303.9°. Best body text is #FFFFFF at 11.23:1 contrast (WCAG AA passes).

Color values

HEX	#51227C
RGB	rgb(81, 34, 124)
HSL	hsl(271, 57%, 31%)
HSV	hsv(271, 73%, 49%)
CMYK	cmyk(34.7%, 72.6%, 0%, 51.4%)
CIE-LAB	lab(24.79, 39.61, -42.41)
CIE-LCH	lch(24.79, 58.03, 313.04°)
OKLab	oklab(36.92% 0.0811 -0.1206)
OKLCH	oklch(36.92% 0.145 303.9)
XYZ	xyz(7.6026, 4.3486, 19.5037)
Luminance	0.0435 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Indigo

#4B0082

ΔE00 5.10

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51227C #4D7C22

analogous

#24227C #51227C #7C227A

triadic

#51227C #7C5122 #227C51

tetradic

#51227C #7C2422 #4D7C22 #227A7C

square

#51227C #7C2422 #4D7C22 #227A7C

split-complementary

#51227C #7A7C22 #227C24

monochromatic

#12081C #32154C #51227C #702FAC #8F4BCE

Accessibility & contrast

On white

11.23

#51227C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.87

#51227C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #51227C

11.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51227C	#FFFFFF	#000000	##FFFFFF
##51227C	1.00	11.23	1.87	11.23
#FFFFFF	11.23	1.00	21.00	1.00
#000000	1.87	21.00	1.00	21.00
##FFFFFF	11.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A7F

Deuteranopia (green-blind)

#003B7A

Tritanopia (blue-blind)

#49374C

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #51227c;
/* rgb */ color: rgb(81, 34, 124);
/* oklch */ color: oklch(36.9% 0.145 303.9);

Tailwind

colors: {
  custom: {
    50: '#8661a3',
    500: '#51227c',
    950: '#000000',
  },
}

SCSS

$custom: #51227c;
$custom-light: #8661a3;
$custom-dark: #000000;

JSON

{
  "hex": "#51227c",
  "rgb": {
    "r": 81,
    "g": 34,
    "b": 124
  },
  "hsl": {
    "h": 271.333,
    "s": 56.962,
    "l": 30.98
  },
  "oklch": {
    "l": 0.36919,
    "c": 0.14535,
    "h": 303.9
  },
  "luminance": 0.04349
}

Semantic roles & 50–950 ramp

primary

#51227C

secondary

#7BAF4B

accent

#E04891

background

#F8F5FA

surface

#F0EAF4

border

#CBC6CE

text

#0C050F

muted

#7D797F

Preview Lab

Preview with #51227C

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

Preview Lab → · Contrast checker → · Palette generator →