#511F8C#511F8C

#511F8C is a dark, vivid violet. Relative luminance 0.046; OKLCH L 37.9% C 0.167 H 298.9°. Best body text is #FFFFFF at 10.91:1 contrast (WCAG AA passes).

Color values

HEX	#511F8C
RGB	rgb(81, 31, 140)
HSL	hsl(268, 64%, 34%)
HSV	hsv(268, 78%, 55%)
CMYK	cmyk(42.1%, 77.9%, 0%, 45.1%)
CIE-LAB	lab(25.63, 45.16, -51.09)
CIE-LCH	lch(25.63, 68.19, 311.48°)
OKLab	oklab(37.93% 0.0806 -0.1461)
OKLCH	oklch(37.93% 0.167 298.9)
XYZ	xyz(8.6157, 4.6226, 25.2442)
Luminance	0.0462 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511F8C #5A8C1F

analogous

#1F238C #511F8C #871F8C

triadic

#511F8C #8C511F #1F8C51

tetradic

#511F8C #8C1F23 #5A8C1F #1F8C87

square

#511F8C #8C1F23 #5A8C1F #1F8C87

split-complementary

#511F8C #8C871F #238C1F

monochromatic

#170928 #34145A #511F8C #6E2ABE #8D4ED8

Accessibility & contrast

On white

10.91

#511F8C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.92

#511F8C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511F8C

10.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511F8C	#FFFFFF	#000000	##FFFFFF
##511F8C	1.00	10.91	1.92	10.91
#FFFFFF	10.91	1.00	21.00	1.00
#000000	1.92	21.00	1.00	21.00
##FFFFFF	10.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003D8F

Deuteranopia (green-blind)

#003C8A

Tritanopia (blue-blind)

#433C54

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #511f8c;
/* rgb */ color: rgb(81, 31, 140);
/* oklch */ color: oklch(37.9% 0.167 298.9);

Tailwind

colors: {
  custom: {
    50: '#8860ae',
    500: '#511f8c',
    950: '#000000',
  },
}

SCSS

$custom: #511f8c;
$custom-light: #8860ae;
$custom-dark: #000000;

JSON

{
  "hex": "#511f8c",
  "rgb": {
    "r": 81,
    "g": 31,
    "b": 140
  },
  "hsl": {
    "h": 267.523,
    "s": 63.743,
    "l": 33.529
  },
  "oklch": {
    "l": 0.37931,
    "c": 0.16686,
    "h": 298.9
  },
  "luminance": 0.04623
}

Semantic roles & 50–950 ramp

primary

#511F8C

secondary

#88BB4C

accent

#E7419B

background

#F8F5FA

surface

#F0EAF4

border

#CBC6CE

text

#0C0510

muted

#7D797F

Preview Lab

Preview with #511F8C

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

Preview Lab → · Contrast checker → · Palette generator →