#511F8F#511F8F

#511F8F is a dark, vivid violet. Relative luminance 0.047; OKLCH L 38.2% C 0.170 H 298.0°. Best body text is #FFFFFF at 10.81:1 contrast (WCAG AA passes).

Color values

HEX	#511F8F
RGB	rgb(81, 31, 143)
HSL	hsl(267, 64%, 34%)
HSV	hsv(267, 78%, 56%)
CMYK	cmyk(43.4%, 78.3%, 0%, 43.9%)
CIE-LAB	lab(25.90, 45.94, -52.51)
CIE-LCH	lch(25.90, 69.77, 311.18°)
OKLab	oklab(38.2% 0.0798 -0.1503)
OKLCH	oklch(38.2% 0.17 298)
XYZ	xyz(8.8400, 4.7123, 26.4251)
Luminance	0.0471 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511F8F #5D8F1F

analogous

#1F258F #511F8F #891F8F

triadic

#511F8F #8F511F #1F8F51

tetradic

#511F8F #8F1F25 #5D8F1F #1F8F89

square

#511F8F #8F1F25 #5D8F1F #1F8F89

split-complementary

#511F8F #8F891F #258F1F

monochromatic

#18092A #35145D #511F8F #6D2AC1 #8D4FD9

Accessibility & contrast

On white

10.81

#511F8F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.94

#511F8F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511F8F

10.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511F8F	#FFFFFF	#000000	##FFFFFF
##511F8F	1.00	10.81	1.94	10.81
#FFFFFF	10.81	1.00	21.00	1.00
#000000	1.94	21.00	1.00	21.00
##FFFFFF	10.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003E92

Deuteranopia (green-blind)

#003C8D

Tritanopia (blue-blind)

#413D56

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #511f8f;
/* rgb */ color: rgb(81, 31, 143);
/* oklch */ color: oklch(38.2% 0.170 298.0);

Tailwind

colors: {
  custom: {
    50: '#8861b1',
    500: '#511f8f',
    950: '#000000',
  },
}

SCSS

$custom: #511f8f;
$custom-light: #8861b1;
$custom-dark: #000000;

JSON

{
  "hex": "#511f8f",
  "rgb": {
    "r": 81,
    "g": 31,
    "b": 143
  },
  "hsl": {
    "h": 266.786,
    "s": 64.368,
    "l": 34.118
  },
  "oklch": {
    "l": 0.38201,
    "c": 0.17014,
    "h": 298
  },
  "luminance": 0.04712
}

Semantic roles & 50–950 ramp

primary

#511F8F

secondary

#8BBC4E

accent

#E7409D

background

#F8F5FB

surface

#F0EAF6

border

#CBC6D0

text

#0C0511

muted

#7D7980

Preview Lab

Preview with #511F8F

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

Preview Lab → · Contrast checker → · Palette generator →