#511F75#511F75

#511F75 is a dark, vivid violet. Relative luminance 0.040; OKLCH L 36.0% C 0.141 H 307.2°. Best body text is #FFFFFF at 11.65:1 contrast (WCAG AA passes).

Color values

HEX	#511F75
RGB	rgb(81, 31, 117)
HSL	hsl(275, 58%, 29%)
HSV	hsv(275, 74%, 46%)
CMYK	cmyk(30.8%, 73.5%, 0%, 54.1%)
CIE-LAB	lab(23.72, 39.32, -39.70)
CIE-LCH	lch(23.72, 55.87, 314.73°)
OKLab	oklab(35.98% 0.0856 -0.1126)
OKLCH	oklch(35.98% 0.141 307.2)
XYZ	xyz(7.0935, 4.0137, 17.2272)
Luminance	0.0401 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511F75 #43751F

analogous

#261F75 #511F75 #751F6E

triadic

#511F75 #75511F #1F7551

tetradic

#511F75 #75261F #43751F #1F6E75

square

#511F75 #75261F #43751F #1F6E75

split-complementary

#511F75 #6E751F #1F7526

monochromatic

#110618 #301245 #511F75 #722CA5 #9342CD

Accessibility & contrast

On white

11.65

#511F75 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.80

#511F75 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511F75

11.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511F75	#FFFFFF	#000000	##FFFFFF
##511F75	1.00	11.65	1.80	11.65
#FFFFFF	11.65	1.00	21.00	1.00
#000000	1.80	21.00	1.00	21.00
##FFFFFF	11.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003778

Deuteranopia (green-blind)

#053973

Tritanopia (blue-blind)

#4B3348

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #511f75;
/* rgb */ color: rgb(81, 31, 117);
/* oklch */ color: oklch(36.0% 0.141 307.2);

Tailwind

colors: {
  custom: {
    50: '#865f9d',
    500: '#511f75',
    950: '#000000',
  },
}

SCSS

$custom: #511f75;
$custom-light: #865f9d;
$custom-dark: #000000;

JSON

{
  "hex": "#511f75",
  "rgb": {
    "r": 81,
    "g": 31,
    "b": 117
  },
  "hsl": {
    "h": 274.884,
    "s": 58.108,
    "l": 29.02
  },
  "oklch": {
    "l": 0.35981,
    "c": 0.14145,
    "h": 307.2
  },
  "luminance": 0.04014
}

Semantic roles & 50–950 ramp

primary

#511F75

secondary

#70A947

accent

#E14687

background

#F8F5F9

surface

#F0E9F2

border

#CBC5CC

text

#0B050E

muted

#7C797E

Preview Lab

Preview with #511F75

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

Preview Lab → · Contrast checker → · Palette generator →