#511F6D#511F6D

#511F6D is a dark, vivid violet. Relative luminance 0.038; OKLCH L 35.4% C 0.133 H 310.8°. Best body text is #FFFFFF at 11.89:1 contrast (WCAG AA passes).

Color values

HEX	#511F6D
RGB	rgb(81, 31, 109)
HSL	hsl(278, 56%, 27%)
HSV	hsv(278, 72%, 43%)
CMYK	cmyk(25.7%, 71.6%, 0%, 57.3%)
CIE-LAB	lab(23.11, 37.37, -35.52)
CIE-LCH	lch(23.11, 51.56, 316.45°)
OKLab	oklab(35.36% 0.0866 -0.1003)
OKLCH	oklch(35.36% 0.133 310.8)
XYZ	xyz(6.6431, 3.8336, 14.8550)
Luminance	0.0383 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511F6D #3B6D1F

analogous

#2A1F6D #511F6D #6D1F62

triadic

#511F6D #6D511F #1F6D51

tetradic

#511F6D #6D2A1F #3B6D1F #1F626D

square

#511F6D #6D2A1F #3B6D1F #1F626D

split-complementary

#511F6D #626D1F #1F6D2A

monochromatic

#120718 #2E113D #511F6D #742D9D #973EC8

Accessibility & contrast

On white

11.89

#511F6D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.77

#511F6D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511F6D

11.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511F6D	#FFFFFF	#000000	##FFFFFF
##511F6D	1.00	11.89	1.77	11.89
#FFFFFF	11.89	1.00	21.00	1.00
#000000	1.77	21.00	1.00	21.00
##FFFFFF	11.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00356F

Deuteranopia (green-blind)

#14386B

Tritanopia (blue-blind)

#4D2F43

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #511f6d;
/* rgb */ color: rgb(81, 31, 109);
/* oklch */ color: oklch(35.4% 0.133 310.8);

Tailwind

colors: {
  custom: {
    50: '#855f97',
    500: '#511f6d',
    950: '#000000',
  },
}

SCSS

$custom: #511f6d;
$custom-light: #855f97;
$custom-dark: #000000;

JSON

{
  "hex": "#511f6d",
  "rgb": {
    "r": 81,
    "g": 31,
    "b": 109
  },
  "hsl": {
    "h": 278.462,
    "s": 55.714,
    "l": 27.451
  },
  "oklch": {
    "l": 0.35358,
    "c": 0.13258,
    "h": 310.8
  },
  "luminance": 0.03833
}

Semantic roles & 50–950 ramp

primary

#511F6D

secondary

#67A147

accent

#DF497F

background

#F8F5F9

surface

#EFE9F2

border

#CAC5CC

text

#0B050D

muted

#7C797E

Preview Lab

Preview with #511F6D

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

Preview Lab → · Contrast checker → · Palette generator →