#511D70#511D70

#511D70 is a dark, vivid violet. Relative luminance 0.038; OKLCH L 35.3% C 0.139 H 309.7°. Best body text is #FFFFFF at 11.93:1 contrast (WCAG AA passes).

Color values

HEX	#511D70
RGB	rgb(81, 29, 112)
HSL	hsl(278, 59%, 28%)
HSV	hsv(278, 74%, 44%)
CMYK	cmyk(27.7%, 74.1%, 0%, 56.1%)
CIE-LAB	lab(22.99, 39.06, -37.66)
CIE-LCH	lch(22.99, 54.25, 316.05°)
OKLab	oklab(35.34% 0.0886 -0.1066)
OKLCH	oklch(35.34% 0.139 309.7)
XYZ	xyz(6.7568, 3.7980, 15.7032)
Luminance	0.0380 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511D70 #3C701D

analogous

#271D70 #511D70 #701D66

triadic

#511D70 #70511D #1D7051

tetradic

#511D70 #70271D #3C701D #1D6670

square

#511D70 #70271D #3C701D #1D6670

split-complementary

#511D70 #66701D #1D7027

monochromatic

#120618 #2E103F #511D70 #742AA1 #963BCC

Accessibility & contrast

On white

11.93

#511D70 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.76

#511D70 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511D70

11.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511D70	#FFFFFF	#000000	##FFFFFF
##511D70	1.00	11.93	1.76	11.93
#FFFFFF	11.93	1.00	21.00	1.00
#000000	1.76	21.00	1.00	21.00
##FFFFFF	11.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003572

Deuteranopia (green-blind)

#0D386E

Tritanopia (blue-blind)

#4D2F44

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #511d70;
/* rgb */ color: rgb(81, 29, 112);
/* oklch */ color: oklch(35.3% 0.139 309.7);

Tailwind

colors: {
  custom: {
    50: '#855e9a',
    500: '#511d70',
    950: '#000000',
  },
}

SCSS

$custom: #511d70;
$custom-light: #855e9a;
$custom-dark: #000000;

JSON

{
  "hex": "#511d70",
  "rgb": {
    "r": 81,
    "g": 29,
    "b": 112
  },
  "hsl": {
    "h": 277.59,
    "s": 58.865,
    "l": 27.647
  },
  "oklch": {
    "l": 0.35343,
    "c": 0.13861,
    "h": 309.7
  },
  "luminance": 0.03798
}

Semantic roles & 50–950 ramp

primary

#511D70

secondary

#68A444

accent

#E24680

background

#F8F5F9

surface

#F0E9F2

border

#CBC5CC

text

#0B050E

muted

#7C797E

Preview Lab

Preview with #511D70

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

Preview Lab → · Contrast checker → · Palette generator →