#511F6A#511F6A

#511F6A is a dark, vivid purple. Relative luminance 0.038; OKLCH L 35.1% C 0.129 H 312.3°. Best body text is #FFFFFF at 11.97:1 contrast (WCAG AA passes).

Color values

HEX	#511F6A
RGB	rgb(81, 31, 106)
HSL	hsl(280, 55%, 27%)
HSV	hsv(280, 71%, 42%)
CMYK	cmyk(23.6%, 70.8%, 0%, 58.4%)
CIE-LAB	lab(22.90, 36.65, -33.93)
CIE-LCH	lch(22.90, 49.94, 317.21°)
OKLab	oklab(35.13% 0.0869 -0.0957)
OKLCH	oklch(35.13% 0.129 312.3)
XYZ	xyz(6.4844, 3.7701, 14.0190)
Luminance	0.0377 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511F6A #386A1F

analogous

#2C1F6A #511F6A #6A1F5E

triadic

#511F6A #6A511F #1F6A51

tetradic

#511F6A #6A2C1F #386A1F #1F5E6A

square

#511F6A #6A2C1F #386A1F #1F5E6A

split-complementary

#511F6A #5E6A1F #1F6A2C

monochromatic

#120718 #2D113B #511F6A #752D99 #993DC6

Accessibility & contrast

On white

11.97

#511F6A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.75

#511F6A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511F6A

11.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511F6A	#FFFFFF	#000000	##FFFFFF
##511F6A	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)

#00346C

Deuteranopia (green-blind)

#183868

Tritanopia (blue-blind)

#4E2E41

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #511f6a;
/* rgb */ color: rgb(81, 31, 106);
/* oklch */ color: oklch(35.1% 0.129 312.3);

Tailwind

colors: {
  custom: {
    50: '#855f95',
    500: '#511f6a',
    950: '#000000',
  },
}

SCSS

$custom: #511f6a;
$custom-light: #855f95;
$custom-dark: #000000;

JSON

{
  "hex": "#511f6a",
  "rgb": {
    "r": 81,
    "g": 31,
    "b": 106
  },
  "hsl": {
    "h": 280,
    "s": 54.745,
    "l": 26.863
  },
  "oklch": {
    "l": 0.35134,
    "c": 0.12926,
    "h": 312.3
  },
  "luminance": 0.0377
}

Semantic roles & 50–950 ramp

primary

#511F6A

secondary

#649E47

accent

#DE4A7B

background

#F8F5F9

surface

#EFE9F2

border

#CAC5CC

text

#0B050D

muted

#7C797E

Preview Lab

Preview with #511F6A

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

Preview Lab → · Contrast checker → · Palette generator →