#511A8A#511A8A

#511A8A is a dark, vivid violet. Relative luminance 0.043; OKLCH L 37.2% C 0.170 H 300.2°. Best body text is #FFFFFF at 11.26:1 contrast (WCAG AA passes).

Color values

HEX	#511A8A
RGB	rgb(81, 26, 138)
HSL	hsl(269, 68%, 32%)
HSV	hsv(269, 81%, 54%)
CMYK	cmyk(41.3%, 81.2%, 0%, 45.9%)
CIE-LAB	lab(24.71, 46.78, -51.34)
CIE-LCH	lch(24.71, 69.46, 312.34°)
OKLab	oklab(37.23% 0.0855 -0.1468)
OKLCH	oklch(37.23% 0.17 300.2)
XYZ	xyz(8.3490, 4.3230, 24.4344)
Luminance	0.0432 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511A8A #538A1A

analogous

#1A1B8A #511A8A #891A8A

triadic

#511A8A #8A511A #1A8A51

tetradic

#511A8A #8A1A1B #538A1A #1A8A89

square

#511A8A #8A1A1B #538A1A #1A8A89

split-complementary

#511A8A #8A891A #1B8A1A

monochromatic

#150723 #331057 #511A8A #6F24BD #8E43DC

Accessibility & contrast

On white

11.26

#511A8A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.86

#511A8A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511A8A

11.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511A8A	#FFFFFF	#000000	##FFFFFF
##511A8A	1.00	11.26	1.86	11.26
#FFFFFF	11.26	1.00	21.00	1.00
#000000	1.86	21.00	1.00	21.00
##FFFFFF	11.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A8D

Deuteranopia (green-blind)

#003A88

Tritanopia (blue-blind)

#443952

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #511a8a;
/* rgb */ color: rgb(81, 26, 138);
/* oklch */ color: oklch(37.2% 0.170 300.2);

Tailwind

colors: {
  custom: {
    50: '#885ead',
    500: '#511a8a',
    950: '#000000',
  },
}

SCSS

$custom: #511a8a;
$custom-light: #885ead;
$custom-dark: #000000;

JSON

{
  "hex": "#511a8a",
  "rgb": {
    "r": 81,
    "g": 26,
    "b": 138
  },
  "hsl": {
    "h": 269.464,
    "s": 68.293,
    "l": 32.157
  },
  "oklch": {
    "l": 0.37233,
    "c": 0.16987,
    "h": 300.2
  },
  "luminance": 0.04323
}

Semantic roles & 50–950 ramp

primary

#511A8A

secondary

#81BD43

accent

#EB3D95

background

#F8F5FA

surface

#F0E9F4

border

#CBC5CE

text

#0C0510

muted

#7D797F

Preview Lab

Preview with #511A8A

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

Preview Lab → · Contrast checker → · Palette generator →