#511C7C#511C7C

#511C7C is a dark, vivid violet. Relative luminance 0.040; OKLCH L 36.2% C 0.153 H 304.9°. Best body text is #FFFFFF at 11.62:1 contrast (WCAG AA passes).

Color values

HEX	#511C7C
RGB	rgb(81, 28, 124)
HSL	hsl(273, 63%, 30%)
HSV	hsv(273, 77%, 49%)
CMYK	cmyk(34.7%, 77.4%, 0%, 51.4%)
CIE-LAB	lab(23.79, 42.45, -44.04)
CIE-LCH	lch(23.79, 61.17, 313.94°)
OKLab	oklab(36.21% 0.0874 -0.1254)
OKLCH	oklch(36.21% 0.153 304.9)
XYZ	xyz(7.4459, 4.0351, 19.4515)
Luminance	0.0403 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Indigo

#4B0082

ΔE00 3.99

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511C7C #477C1C

analogous

#211C7C #511C7C #7C1C77

triadic

#511C7C #7C511C #1C7C51

tetradic

#511C7C #7C211C #477C1C #1C777C

square

#511C7C #7C211C #477C1C #1C777C

split-complementary

#511C7C #777C1C #1C7C21

monochromatic

#100619 #30114A #511C7C #7227AE #913FD4

Accessibility & contrast

On white

11.62

#511C7C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.81

#511C7C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511C7C

11.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511C7C	#FFFFFF	#000000	##FFFFFF
##511C7C	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)

#00377F

Deuteranopia (green-blind)

#00397A

Tritanopia (blue-blind)

#49344B

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #511c7c;
/* rgb */ color: rgb(81, 28, 124);
/* oklch */ color: oklch(36.2% 0.153 304.9);

Tailwind

colors: {
  custom: {
    50: '#865ea3',
    500: '#511c7c',
    950: '#000000',
  },
}

SCSS

$custom: #511c7c;
$custom-light: #865ea3;
$custom-dark: #000000;

JSON

{
  "hex": "#511c7c",
  "rgb": {
    "r": 81,
    "g": 28,
    "b": 124
  },
  "hsl": {
    "h": 273.125,
    "s": 63.158,
    "l": 29.804
  },
  "oklch": {
    "l": 0.36207,
    "c": 0.15283,
    "h": 304.9
  },
  "luminance": 0.04035
}

Semantic roles & 50–950 ramp

primary

#511C7C

secondary

#74B044

accent

#E6428B

background

#F8F5FA

surface

#F0E9F4

border

#CBC5CE

text

#0C050F

muted

#7D797F

Preview Lab

Preview with #511C7C

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

Preview Lab → · Contrast checker → · Palette generator →