#511171#511171

#511171 is a dark, vivid purple. Relative luminance 0.033; OKLCH L 34.2% C 0.153 H 310.7°. Best body text is #FFFFFF at 12.59:1 contrast (WCAG AA passes).

Color values

HEX	#511171
RGB	rgb(81, 17, 113)
HSL	hsl(280, 74%, 25%)
HSV	hsv(280, 85%, 44%)
CMYK	cmyk(28.3%, 85%, 0%, 55.7%)
CIE-LAB	lab(21.37, 44.18, -40.93)
CIE-LCH	lch(21.37, 60.23, 317.18°)
OKLab	oklab(34.22% 0.1 -0.1161)
OKLCH	oklch(34.22% 0.153 310.7)
XYZ	xyz(6.5738, 3.3426, 15.9185)
Luminance	0.0334 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511171 #317111

analogous

#211171 #511171 #711161

triadic

#511171 #715111 #117151

tetradic

#511171 #712111 #317111 #116171

square

#511171 #712111 #317111 #116171

split-complementary

#511171 #617111 #117121

monochromatic

#13041B #2B093C #511171 #7719A6 #9D21DB

Accessibility & contrast

On white

12.59

#511171 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.67

#511171 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511171

12.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511171	#FFFFFF	#000000	##FFFFFF
##511171	1.00	12.59	1.67	12.59
#FFFFFF	12.59	1.00	21.00	1.00
#000000	1.67	21.00	1.00	21.00
##FFFFFF	12.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003174

Deuteranopia (green-blind)

#00346F

Tritanopia (blue-blind)

#4D2A42

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #511171;
/* rgb */ color: rgb(81, 17, 113);
/* oklch */ color: oklch(34.2% 0.153 310.7);

Tailwind

colors: {
  custom: {
    50: '#86599a',
    500: '#511171',
    950: '#000000',
  },
}

SCSS

$custom: #511171;
$custom-light: #86599a;
$custom-dark: #000000;

JSON

{
  "hex": "#511171",
  "rgb": {
    "r": 81,
    "g": 17,
    "b": 113
  },
  "hsl": {
    "h": 280,
    "s": 73.846,
    "l": 25.49
  },
  "oklch": {
    "l": 0.34222,
    "c": 0.15327,
    "h": 310.7
  },
  "luminance": 0.03342
}

Semantic roles & 50–950 ramp

primary

#511171

secondary

#5CA836

accent

#F13775

background

#F8F5F9

surface

#F0E9F2

border

#CBC5CC

text

#0C040E

muted

#7D797E

Preview Lab

Preview with #511171

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

Preview Lab → · Contrast checker → · Palette generator →