#511F7C#511F7C

#511F7C is a dark, vivid violet. Relative luminance 0.042; OKLCH L 36.5% C 0.149 H 304.4°. Best body text is #FFFFFF at 11.43:1 contrast (WCAG AA passes).

Color values

HEX	#511F7C
RGB	rgb(81, 31, 124)
HSL	hsl(272, 60%, 30%)
HSV	hsv(272, 75%, 49%)
CMYK	cmyk(34.7%, 75%, 0%, 51.4%)
CIE-LAB	lab(24.27, 41.07, -43.25)
CIE-LCH	lch(24.27, 59.64, 313.51°)
OKLab	oklab(36.55% 0.0844 -0.1231)
OKLCH	oklch(36.55% 0.149 304.4)
XYZ	xyz(7.5206, 4.1846, 19.4764)
Luminance	0.0418 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Indigo

#4B0082

ΔE00 4.52

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511F7C #4A7C1F

analogous

#221F7C #511F7C #7C1F78

triadic

#511F7C #7C511F #1F7C51

tetradic

#511F7C #7C221F #4A7C1F #1F787C

square

#511F7C #7C221F #4A7C1F #1F787C

split-complementary

#511F7C #787C1F #1F7C22

monochromatic

#11071A #31134B #511F7C #712BAD #9045D0

Accessibility & contrast

On white

11.43

#511F7C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.84

#511F7C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511F7C

11.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511F7C	#FFFFFF	#000000	##FFFFFF
##511F7C	1.00	11.43	1.84	11.43
#FFFFFF	11.43	1.00	21.00	1.00
#000000	1.84	21.00	1.00	21.00
##FFFFFF	11.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00387F

Deuteranopia (green-blind)

#003A7A

Tritanopia (blue-blind)

#49354B

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #511f7c;
/* rgb */ color: rgb(81, 31, 124);
/* oklch */ color: oklch(36.5% 0.149 304.4);

Tailwind

colors: {
  custom: {
    50: '#8660a3',
    500: '#511f7c',
    950: '#000000',
  },
}

SCSS

$custom: #511f7c;
$custom-light: #8660a3;
$custom-dark: #000000;

JSON

{
  "hex": "#511f7c",
  "rgb": {
    "r": 81,
    "g": 31,
    "b": 124
  },
  "hsl": {
    "h": 272.258,
    "s": 60,
    "l": 30.392
  },
  "oklch": {
    "l": 0.3655,
    "c": 0.14921,
    "h": 304.4
  },
  "luminance": 0.04185
}

Semantic roles & 50–950 ramp

primary

#511F7C

secondary

#77AF48

accent

#E3458E

background

#F8F5FA

surface

#F0EAF4

border

#CBC6CE

text

#0C050F

muted

#7D797F

Preview Lab

Preview with #511F7C

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

Preview Lab → · Contrast checker → · Palette generator →