#511E78#511E78

#511E78 is a dark, vivid violet. Relative luminance 0.040; OKLCH L 36.1% C 0.146 H 306.2°. Best body text is #FFFFFF at 11.62:1 contrast (WCAG AA passes).

Color values

HEX	#511E78
RGB	rgb(81, 30, 120)
HSL	hsl(274, 60%, 29%)
HSV	hsv(274, 75%, 47%)
CMYK	cmyk(32.5%, 75%, 0%, 52.9%)
CIE-LAB	lab(23.78, 40.54, -41.50)
CIE-LCH	lch(23.78, 58.02, 314.33°)
OKLab	oklab(36.1% 0.0862 -0.1179)
OKLCH	oklch(36.1% 0.146 306.2)
XYZ	xyz(7.2470, 4.0340, 18.1625)
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

#511E78 #45781E

analogous

#241E78 #511E78 #781E72

triadic

#511E78 #78511E #1E7851

tetradic

#511E78 #78241E #45781E #1E7278

square

#511E78 #78241E #45781E #1E7278

split-complementary

#511E78 #72781E #1E7824

monochromatic

#110618 #301247 #511E78 #722AA9 #9241CF

Accessibility & contrast

On white

11.62

#511E78 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.81

#511E78 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511E78

11.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511E78	#FFFFFF	#000000	##FFFFFF
##511E78	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)

#00377B

Deuteranopia (green-blind)

#003976

Tritanopia (blue-blind)

#4A3349

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #511e78;
/* rgb */ color: rgb(81, 30, 120);
/* oklch */ color: oklch(36.1% 0.146 306.2);

Tailwind

colors: {
  custom: {
    50: '#865fa0',
    500: '#511e78',
    950: '#000000',
  },
}

SCSS

$custom: #511e78;
$custom-light: #865fa0;
$custom-dark: #000000;

JSON

{
  "hex": "#511e78",
  "rgb": {
    "r": 81,
    "g": 30,
    "b": 120
  },
  "hsl": {
    "h": 274,
    "s": 60,
    "l": 29.412
  },
  "oklch": {
    "l": 0.36102,
    "c": 0.14606,
    "h": 306.2
  },
  "luminance": 0.04034
}

Semantic roles & 50–950 ramp

primary

#511E78

secondary

#72AC46

accent

#E34589

background

#F8F5F9

surface

#F0E9F2

border

#CBC5CC

text

#0C050F

muted

#7D797E

Preview Lab

Preview with #511E78

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

Preview Lab → · Contrast checker → · Palette generator →