#511B77#511B77

#511B77 is a dark, vivid violet. Relative luminance 0.039; OKLCH L 35.7% C 0.149 H 307.0°. Best body text is #FFFFFF at 11.84:1 contrast (WCAG AA passes).

Color values

HEX	#511B77
RGB	rgb(81, 27, 119)
HSL	hsl(275, 63%, 29%)
HSV	hsv(275, 77%, 47%)
CMYK	cmyk(31.9%, 77.3%, 0%, 53.3%)
CIE-LAB	lab(23.22, 41.66, -41.78)
CIE-LCH	lch(23.22, 59.00, 314.92°)
OKLab	oklab(35.68% 0.0895 -0.1187)
OKLCH	oklch(35.68% 0.149 307)
XYZ	xyz(7.1143, 3.8652, 17.8205)
Luminance	0.0386 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511B77 #41771B

analogous

#231B77 #511B77 #771B6F

triadic

#511B77 #77511B #1B7751

tetradic

#511B77 #77231B #41771B #1B6F77

square

#511B77 #77231B #41771B #1B6F77

split-complementary

#511B77 #6F771B #1B7723

monochromatic

#110619 #2F1045 #511B77 #7326A9 #933AD2

Accessibility & contrast

On white

11.84

#511B77 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.77

#511B77 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511B77

11.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511B77	#FFFFFF	#000000	##FFFFFF
##511B77	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)

#00367A

Deuteranopia (green-blind)

#003875

Tritanopia (blue-blind)

#4B3148

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #511b77;
/* rgb */ color: rgb(81, 27, 119);
/* oklch */ color: oklch(35.7% 0.149 307.0);

Tailwind

colors: {
  custom: {
    50: '#865d9f',
    500: '#511b77',
    950: '#000000',
  },
}

SCSS

$custom: #511b77;
$custom-light: #865d9f;
$custom-dark: #000000;

JSON

{
  "hex": "#511b77",
  "rgb": {
    "r": 81,
    "g": 27,
    "b": 119
  },
  "hsl": {
    "h": 275.217,
    "s": 63.014,
    "l": 28.627
  },
  "oklch": {
    "l": 0.35679,
    "c": 0.14866,
    "h": 307
  },
  "luminance": 0.03865
}

Semantic roles & 50–950 ramp

primary

#511B77

secondary

#6EAB42

accent

#E64286

background

#F8F5F9

surface

#F0E9F2

border

#CBC5CC

text

#0C050E

muted

#7D797E

Preview Lab

Preview with #511B77

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

Preview Lab → · Contrast checker → · Palette generator →