#511F7D#511F7D

#511F7D is a dark, vivid violet. Relative luminance 0.042; OKLCH L 36.6% C 0.150 H 304.1°. Best body text is #FFFFFF at 11.40:1 contrast (WCAG AA passes).

Color values

HEX	#511F7D
RGB	rgb(81, 31, 125)
HSL	hsl(272, 60%, 31%)
HSV	hsv(272, 75%, 49%)
CMYK	cmyk(35.2%, 75.2%, 0%, 51%)
CIE-LAB	lab(24.35, 41.32, -43.75)
CIE-LCH	lch(24.35, 60.18, 313.36°)
OKLab	oklab(36.63% 0.0842 -0.1245)
OKLCH	oklch(36.63% 0.15 304.1)
XYZ	xyz(7.5841, 4.2100, 19.8111)
Luminance	0.0421 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Indigo

#4B0082

ΔE00 4.44

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511F7D #4B7D1F

analogous

#221F7D #511F7D #7D1F7A

triadic

#511F7D #7D511F #1F7D51

tetradic

#511F7D #7D221F #4B7D1F #1F7A7D

square

#511F7D #7D221F #4B7D1F #1F7A7D

split-complementary

#511F7D #7A7D1F #1F7D22

monochromatic

#11071B #31134C #511F7D #712BAE #9045D1

Accessibility & contrast

On white

11.40

#511F7D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.84

#511F7D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511F7D

11.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511F7D	#FFFFFF	#000000	##FFFFFF
##511F7D	1.00	11.40	1.84	11.40
#FFFFFF	11.40	1.00	21.00	1.00
#000000	1.84	21.00	1.00	21.00
##FFFFFF	11.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003980

Deuteranopia (green-blind)

#003A7B

Tritanopia (blue-blind)

#48364C

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #511f7d;
/* rgb */ color: rgb(81, 31, 125);
/* oklch */ color: oklch(36.6% 0.150 304.1);

Tailwind

colors: {
  custom: {
    50: '#8660a3',
    500: '#511f7d',
    950: '#000000',
  },
}

SCSS

$custom: #511f7d;
$custom-light: #8660a3;
$custom-dark: #000000;

JSON

{
  "hex": "#511f7d",
  "rgb": {
    "r": 81,
    "g": 31,
    "b": 125
  },
  "hsl": {
    "h": 271.915,
    "s": 60.256,
    "l": 30.588
  },
  "oklch": {
    "l": 0.36633,
    "c": 0.15032,
    "h": 304.1
  },
  "luminance": 0.0421
}

Semantic roles & 50–950 ramp

primary

#511F7D

secondary

#79B048

accent

#E3448F

background

#F8F5FA

surface

#F0EAF4

border

#CBC6CE

text

#0C050F

muted

#7D797F

Preview Lab

Preview with #511F7D

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

Preview Lab → · Contrast checker → · Palette generator →