#511A8B#511A8B

#511A8B is a dark, vivid violet. Relative luminance 0.044; OKLCH L 37.3% C 0.171 H 299.9°. Best body text is #FFFFFF at 11.23:1 contrast (WCAG AA passes).

Color values

HEX	#511A8B
RGB	rgb(81, 26, 139)
HSL	hsl(269, 68%, 32%)
HSV	hsv(269, 81%, 55%)
CMYK	cmyk(41.7%, 81.3%, 0%, 45.5%)
CIE-LAB	lab(24.80, 47.03, -51.82)
CIE-LCH	lch(24.80, 69.98, 312.23°)
OKLab	oklab(37.33% 0.0852 -0.1482)
OKLCH	oklch(37.33% 0.171 299.9)
XYZ	xyz(8.4218, 4.3521, 24.8174)
Luminance	0.0435 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511A8B #548B1A

analogous

#1A1B8B #511A8B #8A1A8B

triadic

#511A8B #8B511A #1A8B51

tetradic

#511A8B #8B1A1B #548B1A #1A8B8A

square

#511A8B #8B1A1B #548B1A #1A8B8A

split-complementary

#511A8B #8B8A1A #1B8B1A

monochromatic

#150724 #331057 #511A8B #6F24BF #8E43DC

Accessibility & contrast

On white

11.23

#511A8B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.87

#511A8B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511A8B

11.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511A8B	#FFFFFF	#000000	##FFFFFF
##511A8B	1.00	11.23	1.87	11.23
#FFFFFF	11.23	1.00	21.00	1.00
#000000	1.87	21.00	1.00	21.00
##FFFFFF	11.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003B8E

Deuteranopia (green-blind)

#003A89

Tritanopia (blue-blind)

#433953

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #511a8b;
/* rgb */ color: rgb(81, 26, 139);
/* oklch */ color: oklch(37.3% 0.171 299.9);

Tailwind

colors: {
  custom: {
    50: '#885eae',
    500: '#511a8b',
    950: '#000000',
  },
}

SCSS

$custom: #511a8b;
$custom-light: #885eae;
$custom-dark: #000000;

JSON

{
  "hex": "#511a8b",
  "rgb": {
    "r": 81,
    "g": 26,
    "b": 139
  },
  "hsl": {
    "h": 269.204,
    "s": 68.485,
    "l": 32.353
  },
  "oklch": {
    "l": 0.37325,
    "c": 0.17093,
    "h": 299.9
  },
  "luminance": 0.04352
}

Semantic roles & 50–950 ramp

primary

#511A8B

secondary

#82BD44

accent

#EB3C96

background

#F8F5FA

surface

#F0E9F4

border

#CBC5CE

text

#0C0510

muted

#7D797F

Preview Lab

Preview with #511A8B

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

Preview Lab → · Contrast checker → · Palette generator →