#511E7F#511E7F

#511E7F is a dark, vivid violet. Relative luminance 0.042; OKLCH L 36.7% C 0.154 H 303.5°. Best body text is #FFFFFF at 11.40:1 contrast (WCAG AA passes).

Color values

HEX	#511E7F
RGB	rgb(81, 30, 127)
HSL	hsl(272, 62%, 31%)
HSV	hsv(272, 76%, 50%)
CMYK	cmyk(36.2%, 76.4%, 0%, 50.2%)
CIE-LAB	lab(24.35, 42.29, -45.02)
CIE-LCH	lch(24.35, 61.77, 313.21°)
OKLab	oklab(36.69% 0.0848 -0.1282)
OKLCH	oklch(36.69% 0.154 303.5)
XYZ	xyz(7.6875, 4.2102, 20.4822)
Luminance	0.0421 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Indigo

#4B0082

ΔE00 4.13

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511E7F #4C7F1E

analogous

#201E7F #511E7F #7F1E7C

triadic

#511E7F #7F511E #1E7F51

tetradic

#511E7F #7F201E #4C7F1E #1E7C7F

square

#511E7F #7F201E #4C7F1E #1E7C7F

split-complementary

#511E7F #7C7F1E #1E7F20

monochromatic

#12071C #31124D #511E7F #712AB1 #8F44D3

Accessibility & contrast

On white

11.40

#511E7F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.84

#511E7F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511E7F

11.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511E7F	#FFFFFF	#000000	##FFFFFF
##511E7F	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)

#003982

Deuteranopia (green-blind)

#003A7D

Tritanopia (blue-blind)

#48364D

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #511e7f;
/* rgb */ color: rgb(81, 30, 127);
/* oklch */ color: oklch(36.7% 0.154 303.5);

Tailwind

colors: {
  custom: {
    50: '#875fa5',
    500: '#511e7f',
    950: '#000000',
  },
}

SCSS

$custom: #511e7f;
$custom-light: #875fa5;
$custom-dark: #000000;

JSON

{
  "hex": "#511e7f",
  "rgb": {
    "r": 81,
    "g": 30,
    "b": 127
  },
  "hsl": {
    "h": 271.546,
    "s": 61.783,
    "l": 30.784
  },
  "oklch": {
    "l": 0.36685,
    "c": 0.15373,
    "h": 303.5
  },
  "luminance": 0.0421
}

Semantic roles & 50–950 ramp

primary

#511E7F

secondary

#7AB247

accent

#E54390

background

#F8F5FA

surface

#F0EAF4

border

#CBC6CE

text

#0C050F

muted

#7D797F

Preview Lab

Preview with #511E7F

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

Preview Lab → · Contrast checker → · Palette generator →