#511A75#511A75

#511A75 is a dark, vivid violet. Relative luminance 0.038; OKLCH L 35.4% C 0.148 H 308.0°. Best body text is #FFFFFF at 11.97:1 contrast (WCAG AA passes).

Color values

HEX	#511A75
RGB	rgb(81, 26, 117)
HSL	hsl(276, 64%, 28%)
HSV	hsv(276, 78%, 46%)
CMYK	cmyk(30.8%, 77.8%, 0%, 54.1%)
CIE-LAB	lab(22.91, 41.62, -41.01)
CIE-LCH	lch(22.91, 58.43, 315.42°)
OKLab	oklab(35.41% 0.0909 -0.1164)
OKLCH	oklch(35.41% 0.148 308)
XYZ	xyz(6.9729, 3.7726, 17.1870)
Luminance	0.0377 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511A75 #3E751A

analogous

#241A75 #511A75 #751A6B

triadic

#511A75 #75511A #1A7551

tetradic

#511A75 #75241A #3E751A #1A6B75

square

#511A75 #75241A #3E751A #1A6B75

split-complementary

#511A75 #6B751A #1A7524

monochromatic

#110619 #2E0F43 #511A75 #7425A7 #9537D3

Accessibility & contrast

On white

11.97

#511A75 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.75

#511A75 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511A75

11.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511A75	#FFFFFF	#000000	##FFFFFF
##511A75	1.00	11.97	1.75	11.97
#FFFFFF	11.97	1.00	21.00	1.00
#000000	1.75	21.00	1.00	21.00
##FFFFFF	11.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003578

Deuteranopia (green-blind)

#003773

Tritanopia (blue-blind)

#4B3046

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #511a75;
/* rgb */ color: rgb(81, 26, 117);
/* oklch */ color: oklch(35.4% 0.148 308.0);

Tailwind

colors: {
  custom: {
    50: '#865d9d',
    500: '#511a75',
    950: '#000000',
  },
}

SCSS

$custom: #511a75;
$custom-light: #865d9d;
$custom-dark: #000000;

JSON

{
  "hex": "#511a75",
  "rgb": {
    "r": 81,
    "g": 26,
    "b": 117
  },
  "hsl": {
    "h": 276.264,
    "s": 63.636,
    "l": 28.039
  },
  "oklch": {
    "l": 0.35405,
    "c": 0.14774,
    "h": 308
  },
  "luminance": 0.03772
}

Semantic roles & 50–950 ramp

primary

#511A75

secondary

#6AAA41

accent

#E74183

background

#F8F5F9

surface

#F0E9F2

border

#CBC5CC

text

#0C040E

muted

#7D797E

Preview Lab

Preview with #511A75

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

Preview Lab → · Contrast checker → · Palette generator →