#511C70#511C70

#511C70 is a dark, vivid violet. Relative luminance 0.037; OKLCH L 35.2% C 0.140 H 309.9°. Best body text is #FFFFFF at 12.00:1 contrast (WCAG AA passes).

Color values

HEX	#511C70
RGB	rgb(81, 28, 112)
HSL	hsl(278, 60%, 27%)
HSV	hsv(278, 75%, 44%)
CMYK	cmyk(27.7%, 75%, 0%, 56.1%)
CIE-LAB	lab(22.83, 39.52, -37.92)
CIE-LCH	lch(22.83, 54.78, 316.18°)
OKLab	oklab(35.23% 0.0897 -0.1074)
OKLCH	oklch(35.23% 0.14 309.9)
XYZ	xyz(6.7326, 3.7498, 15.6952)
Luminance	0.0375 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511C70 #3B701C

analogous

#271C70 #511C70 #701C65

triadic

#511C70 #70511C #1C7051

tetradic

#511C70 #70271C #3B701C #1C6570

square

#511C70 #70271C #3B701C #1C6570

split-complementary

#511C70 #65701C #1C7027

monochromatic

#120618 #2E103F #511C70 #7428A1 #9739CD

Accessibility & contrast

On white

12.00

#511C70 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.75

#511C70 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511C70

12.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511C70	#FFFFFF	#000000	##FFFFFF
##511C70	1.00	12.00	1.75	12.00
#FFFFFF	12.00	1.00	21.00	1.00
#000000	1.75	21.00	1.00	21.00
##FFFFFF	12.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003472

Deuteranopia (green-blind)

#0B376E

Tritanopia (blue-blind)

#4D2F44

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #511c70;
/* rgb */ color: rgb(81, 28, 112);
/* oklch */ color: oklch(35.2% 0.140 309.9);

Tailwind

colors: {
  custom: {
    50: '#855e9a',
    500: '#511c70',
    950: '#000000',
  },
}

SCSS

$custom: #511c70;
$custom-light: #855e9a;
$custom-dark: #000000;

JSON

{
  "hex": "#511c70",
  "rgb": {
    "r": 81,
    "g": 28,
    "b": 112
  },
  "hsl": {
    "h": 277.857,
    "s": 60,
    "l": 27.451
  },
  "oklch": {
    "l": 0.35225,
    "c": 0.13993,
    "h": 309.9
  },
  "luminance": 0.0375
}

Semantic roles & 50–950 ramp

primary

#511C70

secondary

#67A543

accent

#E3457F

background

#F8F5F9

surface

#F0E9F2

border

#CBC5CC

text

#0B040E

muted

#7C797E

Preview Lab

Preview with #511C70

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

Preview Lab → · Contrast checker → · Palette generator →