#51227D#51227D

#51227D is a dark, vivid violet. Relative luminance 0.044; OKLCH L 37.0% C 0.146 H 303.5°. Best body text is #FFFFFF at 11.20:1 contrast (WCAG AA passes).

Color values

HEX	#51227D
RGB	rgb(81, 34, 125)
HSL	hsl(271, 57%, 31%)
HSV	hsv(271, 73%, 49%)
CMYK	cmyk(35.2%, 72.8%, 0%, 51%)
CIE-LAB	lab(24.87, 39.86, -42.91)
CIE-LCH	lch(24.87, 58.57, 312.89°)
OKLab	oklab(37% 0.0809 -0.1221)
OKLCH	oklch(37% 0.146 303.5)
XYZ	xyz(7.6662, 4.3741, 19.8385)
Luminance	0.0437 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Indigo

#4B0082

ΔE00 5.03

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51227D #4E7D22

analogous

#23227D #51227D #7D227B

triadic

#51227D #7D5122 #227D51

tetradic

#51227D #7D2322 #4E7D22 #227B7D

square

#51227D #7D2322 #4E7D22 #227B7D

split-complementary

#51227D #7B7D22 #227D23

monochromatic

#13081D #32154D #51227D #702FAD #8F4BCE

Accessibility & contrast

On white

11.20

#51227D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.87

#51227D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #51227D

11.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51227D	#FFFFFF	#000000	##FFFFFF
##51227D	1.00	11.20	1.87	11.20
#FFFFFF	11.20	1.00	21.00	1.00
#000000	1.87	21.00	1.00	21.00
##FFFFFF	11.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A80

Deuteranopia (green-blind)

#003B7B

Tritanopia (blue-blind)

#48374D

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #51227d;
/* rgb */ color: rgb(81, 34, 125);
/* oklch */ color: oklch(37.0% 0.146 303.5);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#51227d",
  "rgb": {
    "r": 81,
    "g": 34,
    "b": 125
  },
  "hsl": {
    "h": 270.989,
    "s": 57.233,
    "l": 31.176
  },
  "oklch": {
    "l": 0.37001,
    "c": 0.14649,
    "h": 303.5
  },
  "luminance": 0.04374
}

Semantic roles & 50–950 ramp

primary

#51227D

secondary

#7CB04B

accent

#E04791

background

#F8F5FA

surface

#F0EAF4

border

#CBC6CE

text

#0C050F

muted

#7D797F

Preview Lab

Preview with #51227D

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

Preview Lab → · Contrast checker → · Palette generator →