#511E71#511E71

#511E71 is a dark, vivid violet. Relative luminance 0.039; OKLCH L 35.5% C 0.138 H 309.1°. Best body text is #FFFFFF at 11.84:1 contrast (WCAG AA passes).

Color values

HEX	#511E71
RGB	rgb(81, 30, 113)
HSL	hsl(277, 58%, 28%)
HSV	hsv(277, 73%, 44%)
CMYK	cmyk(28.3%, 73.5%, 0%, 55.7%)
CIE-LAB	lab(23.24, 38.82, -37.90)
CIE-LCH	lch(23.24, 54.26, 315.69°)
OKLab	oklab(35.54% 0.0873 -0.1073)
OKLCH	oklch(35.54% 0.138 309.1)
XYZ	xyz(6.8376, 3.8703, 16.0064)
Luminance	0.0387 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511E71 #3E711E

analogous

#271E71 #511E71 #711E67

triadic

#511E71 #71511E #1E7151

tetradic

#511E71 #71271E #3E711E #1E6771

square

#511E71 #71271E #3E711E #1E6771

split-complementary

#511E71 #67711E #1E7127

monochromatic

#110618 #2E1141 #511E71 #742BA1 #953ECC

Accessibility & contrast

On white

11.84

#511E71 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.77

#511E71 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511E71

11.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511E71	#FFFFFF	#000000	##FFFFFF
##511E71	1.00	11.84	1.77	11.84
#FFFFFF	11.84	1.00	21.00	1.00
#000000	1.77	21.00	1.00	21.00
##FFFFFF	11.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003573

Deuteranopia (green-blind)

#0C386F

Tritanopia (blue-blind)

#4C3045

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #511e71;
/* rgb */ color: rgb(81, 30, 113);
/* oklch */ color: oklch(35.5% 0.138 309.1);

Tailwind

colors: {
  custom: {
    50: '#855f9a',
    500: '#511e71',
    950: '#000000',
  },
}

SCSS

$custom: #511e71;
$custom-light: #855f9a;
$custom-dark: #000000;

JSON

{
  "hex": "#511e71",
  "rgb": {
    "r": 81,
    "g": 30,
    "b": 113
  },
  "hsl": {
    "h": 276.867,
    "s": 58.042,
    "l": 28.039
  },
  "oklch": {
    "l": 0.35542,
    "c": 0.13836,
    "h": 309.1
  },
  "luminance": 0.0387
}

Semantic roles & 50–950 ramp

primary

#511E71

secondary

#6AA546

accent

#E14782

background

#F8F5F9

surface

#F0E9F2

border

#CBC5CC

text

#0B050E

muted

#7C797E

Preview Lab

Preview with #511E71

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

Preview Lab → · Contrast checker → · Palette generator →