#511A76#511A76

#511A76 is a dark, vivid violet. Relative luminance 0.038; OKLCH L 35.5% C 0.149 H 307.6°. Best body text is #FFFFFF at 11.94:1 contrast (WCAG AA passes).

Color values

HEX	#511A76
RGB	rgb(81, 26, 118)
HSL	hsl(276, 64%, 28%)
HSV	hsv(276, 78%, 46%)
CMYK	cmyk(31.4%, 78%, 0%, 53.7%)
CIE-LAB	lab(22.99, 41.86, -41.52)
CIE-LCH	lch(22.99, 58.96, 315.23°)
OKLab	oklab(35.49% 0.0907 -0.1179)
OKLCH	oklch(35.49% 0.149 307.6)
XYZ	xyz(7.0321, 3.7962, 17.4983)
Luminance	0.0380 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511A76 #3F761A

analogous

#231A76 #511A76 #761A6D

triadic

#511A76 #76511A #1A7651

tetradic

#511A76 #76231A #3F761A #1A6D76

square

#511A76 #76231A #3F761A #1A6D76

split-complementary

#511A76 #6D761A #1A7623

monochromatic

#110619 #2F0F44 #511A76 #7325A8 #9437D3

Accessibility & contrast

On white

11.94

#511A76 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.76

#511A76 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511A76

11.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511A76	#FFFFFF	#000000	##FFFFFF
##511A76	1.00	11.94	1.76	11.94
#FFFFFF	11.94	1.00	21.00	1.00
#000000	1.76	21.00	1.00	21.00
##FFFFFF	11.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003579

Deuteranopia (green-blind)

#003774

Tritanopia (blue-blind)

#4B3047

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #511a76;
/* rgb */ color: rgb(81, 26, 118);
/* oklch */ color: oklch(35.5% 0.149 307.6);

Tailwind

colors: {
  custom: {
    50: '#865d9e',
    500: '#511a76',
    950: '#000000',
  },
}

SCSS

$custom: #511a76;
$custom-light: #865d9e;
$custom-dark: #000000;

JSON

{
  "hex": "#511a76",
  "rgb": {
    "r": 81,
    "g": 26,
    "b": 118
  },
  "hsl": {
    "h": 275.87,
    "s": 63.889,
    "l": 28.235
  },
  "oklch": {
    "l": 0.35488,
    "c": 0.1488,
    "h": 307.6
  },
  "luminance": 0.03796
}

Semantic roles & 50–950 ramp

primary

#511A76

secondary

#6CAB41

accent

#E74184

background

#F8F5F9

surface

#F0E9F2

border

#CBC5CC

text

#0C040E

muted

#7D797E

Preview Lab

Preview with #511A76

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

Preview Lab → · Contrast checker → · Palette generator →