#511F6B#511F6B

#511F6B is a dark, vivid violet. Relative luminance 0.038; OKLCH L 35.2% C 0.130 H 311.8°. Best body text is #FFFFFF at 11.94:1 contrast (WCAG AA passes).

Color values

HEX	#511F6B
RGB	rgb(81, 31, 107)
HSL	hsl(279, 55%, 27%)
HSV	hsv(279, 71%, 42%)
CMYK	cmyk(24.3%, 71%, 0%, 58%)
CIE-LAB	lab(22.97, 36.89, -34.46)
CIE-LCH	lch(22.97, 50.48, 316.95°)
OKLab	oklab(35.21% 0.0868 -0.0972)
OKLCH	oklch(35.21% 0.13 311.8)
XYZ	xyz(6.5367, 3.7910, 14.2945)
Luminance	0.0379 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511F6B #396B1F

analogous

#2B1F6B #511F6B #6B1F5F

triadic

#511F6B #6B511F #1F6B51

tetradic

#511F6B #6B2B1F #396B1F #1F5F6B

square

#511F6B #6B2B1F #396B1F #1F5F6B

split-complementary

#511F6B #5F6B1F #1F6B2B

monochromatic

#120718 #2D113C #511F6B #752D9A #983DC7

Accessibility & contrast

On white

11.94

#511F6B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.76

#511F6B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511F6B

11.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511F6B	#FFFFFF	#000000	##FFFFFF
##511F6B	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)

#00346D

Deuteranopia (green-blind)

#173869

Tritanopia (blue-blind)

#4E2F42

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #511f6b;
/* rgb */ color: rgb(81, 31, 107);
/* oklch */ color: oklch(35.2% 0.130 311.8);

Tailwind

colors: {
  custom: {
    50: '#855f96',
    500: '#511f6b',
    950: '#000000',
  },
}

SCSS

$custom: #511f6b;
$custom-light: #855f96;
$custom-dark: #000000;

JSON

{
  "hex": "#511f6b",
  "rgb": {
    "r": 81,
    "g": 31,
    "b": 107
  },
  "hsl": {
    "h": 279.474,
    "s": 55.072,
    "l": 27.059
  },
  "oklch": {
    "l": 0.35208,
    "c": 0.13037,
    "h": 311.8
  },
  "luminance": 0.03791
}

Semantic roles & 50–950 ramp

primary

#511F6B

secondary

#659F47

accent

#DE497C

background

#F8F5F9

surface

#EFE9F2

border

#CAC5CC

text

#0B050D

muted

#7C797E

Preview Lab

Preview with #511F6B

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

Preview Lab → · Contrast checker → · Palette generator →