#511D7A#511D7A

#511D7A is a dark, vivid violet. Relative luminance 0.040; OKLCH L 36.2% C 0.149 H 305.5°. Best body text is #FFFFFF at 11.62:1 contrast (WCAG AA passes).

Color values

HEX	#511D7A
RGB	rgb(81, 29, 122)
HSL	hsl(274, 62%, 30%)
HSV	hsv(274, 76%, 48%)
CMYK	cmyk(33.6%, 76.2%, 0%, 52.2%)
CIE-LAB	lab(23.78, 41.50, -42.78)
CIE-LCH	lch(23.78, 59.60, 314.13°)
OKLab	oklab(36.15% 0.0868 -0.1217)
OKLCH	oklch(36.15% 0.149 305.5)
XYZ	xyz(7.3448, 4.0333, 18.8001)
Luminance	0.0403 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511D7A #467A1D

analogous

#221D7A #511D7A #7A1D75

triadic

#511D7A #7A511D #1D7A51

tetradic

#511D7A #7A221D #467A1D #1D757A

square

#511D7A #7A221D #467A1D #1D757A

split-complementary

#511D7A #757A1D #1D7A22

monochromatic

#100619 #301149 #511D7A #7229AB #9140D2

Accessibility & contrast

On white

11.62

#511D7A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.81

#511D7A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511D7A

11.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511D7A	#FFFFFF	#000000	##FFFFFF
##511D7A	1.00	11.62	1.81	11.62
#FFFFFF	11.62	1.00	21.00	1.00
#000000	1.81	21.00	1.00	21.00
##FFFFFF	11.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00377D

Deuteranopia (green-blind)

#003978

Tritanopia (blue-blind)

#4A334A

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #511d7a;
/* rgb */ color: rgb(81, 29, 122);
/* oklch */ color: oklch(36.2% 0.149 305.5);

Tailwind

colors: {
  custom: {
    50: '#865fa1',
    500: '#511d7a',
    950: '#000000',
  },
}

SCSS

$custom: #511d7a;
$custom-light: #865fa1;
$custom-dark: #000000;

JSON

{
  "hex": "#511d7a",
  "rgb": {
    "r": 81,
    "g": 29,
    "b": 122
  },
  "hsl": {
    "h": 273.548,
    "s": 61.589,
    "l": 29.608
  },
  "oklch": {
    "l": 0.36151,
    "c": 0.14948,
    "h": 305.5
  },
  "luminance": 0.04033
}

Semantic roles & 50–950 ramp

primary

#511D7A

secondary

#73AE45

accent

#E5438A

background

#F8F5FA

surface

#F0E9F3

border

#CBC5CD

text

#0C050F

muted

#7D797F

Preview Lab

Preview with #511D7A

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

Preview Lab → · Contrast checker → · Palette generator →