#511F77#511F77

#511F77 is a dark, vivid violet. Relative luminance 0.041; OKLCH L 36.1% C 0.144 H 306.4°. Best body text is #FFFFFF at 11.59:1 contrast (WCAG AA passes).

Color values

HEX	#511F77
RGB	rgb(81, 31, 119)
HSL	hsl(274, 59%, 29%)
HSV	hsv(274, 74%, 47%)
CMYK	cmyk(31.9%, 73.9%, 0%, 53.3%)
CIE-LAB	lab(23.87, 39.82, -40.72)
CIE-LCH	lch(23.87, 56.95, 314.36°)
OKLab	oklab(36.14% 0.0853 -0.1156)
OKLCH	oklch(36.14% 0.144 306.4)
XYZ	xyz(7.2124, 4.0613, 17.8531)
Luminance	0.0406 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511F77 #45771F

analogous

#251F77 #511F77 #771F71

triadic

#511F77 #77511F #1F7751

tetradic

#511F77 #77251F #45771F #1F7177

square

#511F77 #77251F #45771F #1F7177

split-complementary

#511F77 #71771F #1F7725

monochromatic

#110618 #301246 #511F77 #722CA8 #9243CE

Accessibility & contrast

On white

11.59

#511F77 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.81

#511F77 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511F77

11.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511F77	#FFFFFF	#000000	##FFFFFF
##511F77	1.00	11.59	1.81	11.59
#FFFFFF	11.59	1.00	21.00	1.00
#000000	1.81	21.00	1.00	21.00
##FFFFFF	11.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00377A

Deuteranopia (green-blind)

#003975

Tritanopia (blue-blind)

#4A3349

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #511f77;
/* rgb */ color: rgb(81, 31, 119);
/* oklch */ color: oklch(36.1% 0.144 306.4);

Tailwind

colors: {
  custom: {
    50: '#865f9f',
    500: '#511f77',
    950: '#000000',
  },
}

SCSS

$custom: #511f77;
$custom-light: #865f9f;
$custom-dark: #000000;

JSON

{
  "hex": "#511f77",
  "rgb": {
    "r": 81,
    "g": 31,
    "b": 119
  },
  "hsl": {
    "h": 274.091,
    "s": 58.667,
    "l": 29.412
  },
  "oklch": {
    "l": 0.36141,
    "c": 0.14366,
    "h": 306.4
  },
  "luminance": 0.04061
}

Semantic roles & 50–950 ramp

primary

#511F77

secondary

#72AB47

accent

#E24689

background

#F8F5F9

surface

#F0EAF2

border

#CBC6CC

text

#0B050E

muted

#7C797E

Preview Lab

Preview with #511F77

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

Preview Lab → · Contrast checker → · Palette generator →