#511E75#511E75

#511E75 is a dark, vivid violet. Relative luminance 0.040; OKLCH L 35.9% C 0.143 H 307.4°. Best body text is #FFFFFF at 11.72:1 contrast (WCAG AA passes).

Color values

HEX	#511E75
RGB	rgb(81, 30, 117)
HSL	hsl(275, 59%, 29%)
HSV	hsv(275, 74%, 46%)
CMYK	cmyk(30.8%, 74.4%, 0%, 54.1%)
CIE-LAB	lab(23.55, 39.80, -39.97)
CIE-LCH	lch(23.55, 56.41, 314.88°)
OKLab	oklab(35.86% 0.0867 -0.1134)
OKLCH	oklch(35.86% 0.143 307.4)
XYZ	xyz(7.0678, 3.9623, 17.2186)
Luminance	0.0396 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511E75 #42751E

analogous

#251E75 #511E75 #751E6E

triadic

#511E75 #75511E #1E7551

tetradic

#511E75 #75251E #42751E #1E6E75

square

#511E75 #75251E #42751E #1E6E75

split-complementary

#511E75 #6E751E #1E7525

monochromatic

#110618 #2F1244 #511E75 #732AA6 #9340CE

Accessibility & contrast

On white

11.72

#511E75 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.79

#511E75 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511E75

11.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511E75	#FFFFFF	#000000	##FFFFFF
##511E75	1.00	11.72	1.79	11.72
#FFFFFF	11.72	1.00	21.00	1.00
#000000	1.79	21.00	1.00	21.00
##FFFFFF	11.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003678

Deuteranopia (green-blind)

#033873

Tritanopia (blue-blind)

#4B3247

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #511e75;
/* rgb */ color: rgb(81, 30, 117);
/* oklch */ color: oklch(35.9% 0.143 307.4);

Tailwind

colors: {
  custom: {
    50: '#865f9d',
    500: '#511e75',
    950: '#000000',
  },
}

SCSS

$custom: #511e75;
$custom-light: #865f9d;
$custom-dark: #000000;

JSON

{
  "hex": "#511e75",
  "rgb": {
    "r": 81,
    "g": 30,
    "b": 117
  },
  "hsl": {
    "h": 275.172,
    "s": 59.184,
    "l": 28.824
  },
  "oklch": {
    "l": 0.35859,
    "c": 0.14276,
    "h": 307.4
  },
  "luminance": 0.03962
}

Semantic roles & 50–950 ramp

primary

#511E75

secondary

#6FA946

accent

#E24586

background

#F8F5F9

surface

#F0E9F2

border

#CBC5CC

text

#0B050E

muted

#7C797E

Preview Lab

Preview with #511E75

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

Preview Lab → · Contrast checker → · Palette generator →