#511F7E#511F7E

#511F7E is a dark, vivid violet. Relative luminance 0.042; OKLCH L 36.7% C 0.151 H 303.7°. Best body text is #FFFFFF at 11.37:1 contrast (WCAG AA passes).

Color values

HEX	#511F7E
RGB	rgb(81, 31, 126)
HSL	hsl(272, 61%, 31%)
HSV	hsv(272, 75%, 49%)
CMYK	cmyk(35.7%, 75.4%, 0%, 50.6%)
CIE-LAB	lab(24.44, 41.57, -44.25)
CIE-LCH	lch(24.44, 60.72, 313.21°)
OKLab	oklab(36.72% 0.084 -0.126)
OKLCH	oklch(36.72% 0.151 303.7)
XYZ	xyz(7.6483, 4.2357, 20.1492)
Luminance	0.0424 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Indigo

#4B0082

ΔE00 4.38

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511F7E #4C7E1F

analogous

#211F7E #511F7E #7E1F7B

triadic

#511F7E #7E511F #1F7E51

tetradic

#511F7E #7E211F #4C7E1F #1F7B7E

square

#511F7E #7E211F #4C7E1F #1F7B7E

split-complementary

#511F7E #7B7E1F #1F7E21

monochromatic

#12071C #31134D #511F7E #712BAF #8F46D1

Accessibility & contrast

On white

11.37

#511F7E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.85

#511F7E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511F7E

11.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511F7E	#FFFFFF	#000000	##FFFFFF
##511F7E	1.00	11.37	1.85	11.37
#FFFFFF	11.37	1.00	21.00	1.00
#000000	1.85	21.00	1.00	21.00
##FFFFFF	11.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003981

Deuteranopia (green-blind)

#003A7C

Tritanopia (blue-blind)

#48364D

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #511f7e;
/* rgb */ color: rgb(81, 31, 126);
/* oklch */ color: oklch(36.7% 0.151 303.7);

Tailwind

colors: {
  custom: {
    50: '#8660a4',
    500: '#511f7e',
    950: '#000000',
  },
}

SCSS

$custom: #511f7e;
$custom-light: #8660a4;
$custom-dark: #000000;

JSON

{
  "hex": "#511f7e",
  "rgb": {
    "r": 81,
    "g": 31,
    "b": 126
  },
  "hsl": {
    "h": 271.579,
    "s": 60.51,
    "l": 30.784
  },
  "oklch": {
    "l": 0.36717,
    "c": 0.15142,
    "h": 303.7
  },
  "luminance": 0.04236
}

Semantic roles & 50–950 ramp

primary

#511F7E

secondary

#7AB148

accent

#E44490

background

#F8F5FA

surface

#F0EAF4

border

#CBC6CE

text

#0C050F

muted

#7D797F

Preview Lab

Preview with #511F7E

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

Preview Lab → · Contrast checker → · Palette generator →