#511A78#511A78

#511A78 is a dark, vivid violet. Relative luminance 0.038; OKLCH L 35.7% C 0.151 H 306.7°. Best body text is #FFFFFF at 11.87:1 contrast (WCAG AA passes).

Color values

HEX	#511A78
RGB	rgb(81, 26, 120)
HSL	hsl(275, 64%, 29%)
HSV	hsv(275, 78%, 47%)
CMYK	cmyk(32.5%, 78.3%, 0%, 52.9%)
CIE-LAB	lab(23.15, 42.34, -42.53)
CIE-LCH	lch(23.15, 60.01, 314.87°)
OKLab	oklab(35.65% 0.0903 -0.1209)
OKLCH	oklch(35.65% 0.151 306.7)
XYZ	xyz(7.1522, 3.8443, 18.1309)
Luminance	0.0384 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511A78 #41781A

analogous

#221A78 #511A78 #781A70

triadic

#511A78 #78511A #1A7851

tetradic

#511A78 #78221A #41781A #1A7078

square

#511A78 #78221A #41781A #1A7078

split-complementary

#511A78 #70781A #1A7822

monochromatic

#110519 #2F0F46 #511A78 #7325AA #9338D4

Accessibility & contrast

On white

11.87

#511A78 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.77

#511A78 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511A78

11.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511A78	#FFFFFF	#000000	##FFFFFF
##511A78	1.00	11.87	1.77	11.87
#FFFFFF	11.87	1.00	21.00	1.00
#000000	1.77	21.00	1.00	21.00
##FFFFFF	11.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00357B

Deuteranopia (green-blind)

#003876

Tritanopia (blue-blind)

#4A3148

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #511a78;
/* rgb */ color: rgb(81, 26, 120);
/* oklch */ color: oklch(35.7% 0.151 306.7);

Tailwind

colors: {
  custom: {
    50: '#865da0',
    500: '#511a78',
    950: '#000000',
  },
}

SCSS

$custom: #511a78;
$custom-light: #865da0;
$custom-dark: #000000;

JSON

{
  "hex": "#511a78",
  "rgb": {
    "r": 81,
    "g": 26,
    "b": 120
  },
  "hsl": {
    "h": 275.106,
    "s": 64.384,
    "l": 28.627
  },
  "oklch": {
    "l": 0.35654,
    "c": 0.1509,
    "h": 306.7
  },
  "luminance": 0.03844
}

Semantic roles & 50–950 ramp

primary

#511A78

secondary

#6EAC41

accent

#E74086

background

#F8F5F9

surface

#F0E9F2

border

#CBC5CC

text

#0C040F

muted

#7D797E

Preview Lab

Preview with #511A78

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

Preview Lab → · Contrast checker → · Palette generator →