#511B6E#511B6E

#511B6E is a dark, vivid violet. Relative luminance 0.037; OKLCH L 35.0% C 0.139 H 310.9°. Best body text is #FFFFFF at 12.13:1 contrast (WCAG AA passes).

Color values

HEX	#511B6E
RGB	rgb(81, 27, 110)
HSL	hsl(279, 61%, 27%)
HSV	hsv(279, 75%, 43%)
CMYK	cmyk(26.4%, 75.5%, 0%, 56.9%)
CIE-LAB	lab(22.51, 39.51, -37.14)
CIE-LCH	lch(22.51, 54.23, 316.77°)
OKLab	oklab(34.95% 0.0911 -0.1051)
OKLCH	oklch(34.95% 0.139 310.9)
XYZ	xyz(6.5992, 3.6591, 15.1075)
Luminance	0.0366 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511B6E #386E1B

analogous

#281B6E #511B6E #6E1B62

triadic

#511B6E #6E511B #1B6E51

tetradic

#511B6E #6E281B #386E1B #1B626E

square

#511B6E #6E281B #386E1B #1B626E

split-complementary

#511B6E #626E1B #1B6E28

monochromatic

#120619 #2D0F3D #511B6E #75279F #9936CE

Accessibility & contrast

On white

12.13

#511B6E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.73

#511B6E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511B6E

12.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511B6E	#FFFFFF	#000000	##FFFFFF
##511B6E	1.00	12.13	1.73	12.13
#FFFFFF	12.13	1.00	21.00	1.00
#000000	1.73	21.00	1.00	21.00
##FFFFFF	12.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003370

Deuteranopia (green-blind)

#0D376C

Tritanopia (blue-blind)

#4D2D43

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #511b6e;
/* rgb */ color: rgb(81, 27, 110);
/* oklch */ color: oklch(35.0% 0.139 310.9);

Tailwind

colors: {
  custom: {
    50: '#855d98',
    500: '#511b6e',
    950: '#000000',
  },
}

SCSS

$custom: #511b6e;
$custom-light: #855d98;
$custom-dark: #000000;

JSON

{
  "hex": "#511b6e",
  "rgb": {
    "r": 81,
    "g": 27,
    "b": 110
  },
  "hsl": {
    "h": 279.036,
    "s": 60.584,
    "l": 26.863
  },
  "oklch": {
    "l": 0.34952,
    "c": 0.13909,
    "h": 310.9
  },
  "luminance": 0.03659
}

Semantic roles & 50–950 ramp

primary

#511B6E

secondary

#64A342

accent

#E4447C

background

#F8F5F9

surface

#F0E9F2

border

#CBC5CC

text

#0B040E

muted

#7C797E

Preview Lab

Preview with #511B6E

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

Preview Lab → · Contrast checker → · Palette generator →