#511F7F#511F7F

#511F7F is a dark, vivid violet. Relative luminance 0.043; OKLCH L 36.8% C 0.153 H 303.3°. Best body text is #FFFFFF at 11.34:1 contrast (WCAG AA passes).

Color values

HEX	#511F7F
RGB	rgb(81, 31, 127)
HSL	hsl(271, 61%, 31%)
HSV	hsv(271, 76%, 50%)
CMYK	cmyk(36.2%, 75.6%, 0%, 50.2%)
CIE-LAB	lab(24.52, 41.83, -44.75)
CIE-LCH	lch(24.52, 61.26, 313.06°)
OKLab	oklab(36.8% 0.0838 -0.1275)
OKLCH	oklch(36.8% 0.153 303.3)
XYZ	xyz(7.7132, 4.2616, 20.4908)
Luminance	0.0426 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Indigo

#4B0082

ΔE00 4.32

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511F7F #4D7F1F

analogous

#211F7F #511F7F #7F1F7D

triadic

#511F7F #7F511F #1F7F51

tetradic

#511F7F #7F211F #4D7F1F #1F7D7F

square

#511F7F #7F211F #4D7F1F #1F7D7F

split-complementary

#511F7F #7D7F1F #1F7F21

monochromatic

#12071D #32134E #511F7F #702BB0 #8F46D2

Accessibility & contrast

On white

11.34

#511F7F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.85

#511F7F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511F7F

11.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511F7F	#FFFFFF	#000000	##FFFFFF
##511F7F	1.00	11.34	1.85	11.34
#FFFFFF	11.34	1.00	21.00	1.00
#000000	1.85	21.00	1.00	21.00
##FFFFFF	11.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003982

Deuteranopia (green-blind)

#003A7D

Tritanopia (blue-blind)

#48374D

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #511f7f;
/* rgb */ color: rgb(81, 31, 127);
/* oklch */ color: oklch(36.8% 0.153 303.3);

Tailwind

colors: {
  custom: {
    50: '#8660a5',
    500: '#511f7f',
    950: '#000000',
  },
}

SCSS

$custom: #511f7f;
$custom-light: #8660a5;
$custom-dark: #000000;

JSON

{
  "hex": "#511f7f",
  "rgb": {
    "r": 81,
    "g": 31,
    "b": 127
  },
  "hsl": {
    "h": 271.25,
    "s": 60.759,
    "l": 30.98
  },
  "oklch": {
    "l": 0.36801,
    "c": 0.15253,
    "h": 303.3
  },
  "luminance": 0.04262
}

Semantic roles & 50–950 ramp

primary

#511F7F

secondary

#7BB248

accent

#E44491

background

#F8F5FA

surface

#F0EAF4

border

#CBC6CE

text

#0C050F

muted

#7D797F

Preview Lab

Preview with #511F7F

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

Preview Lab → · Contrast checker → · Palette generator →