#511578#511578

#511578 is a dark, vivid violet. Relative luminance 0.036; OKLCH L 35.2% C 0.156 H 307.4°. Best body text is #FFFFFF at 12.15:1 contrast (WCAG AA passes).

Color values

HEX	#511578
RGB	rgb(81, 21, 120)
HSL	hsl(276, 70%, 28%)
HSV	hsv(276, 83%, 47%)
CMYK	cmyk(32.5%, 82.5%, 0%, 52.9%)
CIE-LAB	lab(22.45, 44.36, -43.67)
CIE-LCH	lch(22.45, 62.25, 315.45°)
OKLab	oklab(35.16% 0.0949 -0.1242)
OKLCH	oklch(35.16% 0.156 307.4)
XYZ	xyz(7.0509, 3.6418, 18.0972)
Luminance	0.0364 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511578 #3C7815

analogous

#201578 #511578 #78156D

triadic

#511578 #785115 #157851

tetradic

#511578 #782015 #3C7815 #156D78

square

#511578 #782015 #3C7815 #156D78

split-complementary

#511578 #6D7815 #157820

monochromatic

#12051A #2E0C44 #511578 #741EAC #962DDA

Accessibility & contrast

On white

12.15

#511578 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.73

#511578 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511578

12.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511578	#FFFFFF	#000000	##FFFFFF
##511578	1.00	12.15	1.73	12.15
#FFFFFF	12.15	1.00	21.00	1.00
#000000	1.73	21.00	1.00	21.00
##FFFFFF	12.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00347B

Deuteranopia (green-blind)

#003676

Tritanopia (blue-blind)

#4A2F47

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #511578;
/* rgb */ color: rgb(81, 21, 120);
/* oklch */ color: oklch(35.2% 0.156 307.4);

Tailwind

colors: {
  custom: {
    50: '#865ba0',
    500: '#511578',
    950: '#000000',
  },
}

SCSS

$custom: #511578;
$custom-light: #865ba0;
$custom-dark: #000000;

JSON

{
  "hex": "#511578",
  "rgb": {
    "r": 81,
    "g": 21,
    "b": 120
  },
  "hsl": {
    "h": 276.364,
    "s": 70.213,
    "l": 27.647
  },
  "oklch": {
    "l": 0.35164,
    "c": 0.15629,
    "h": 307.4
  },
  "luminance": 0.03642
}

Semantic roles & 50–950 ramp

primary

#511578

secondary

#68AE3B

accent

#ED3B81

background

#F8F5F9

surface

#F0E9F2

border

#CBC5CC

text

#0C040F

muted

#7D797E

Preview Lab

Preview with #511578

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

Preview Lab → · Contrast checker → · Palette generator →