#66108D#66108D

#66108D is a dark, vivid purple. Relative luminance 0.051; OKLCH L 39.6% C 0.186 H 311.3°. Best body text is #FFFFFF at 10.38:1 contrast (WCAG AA passes).

Color values

HEX	#66108D
RGB	rgb(102, 16, 141)
HSL	hsl(281, 80%, 31%)
HSV	hsv(281, 89%, 55%)
CMYK	cmyk(27.7%, 88.7%, 0%, 44.7%)
CIE-LAB	lab(27.07, 54.05, -49.23)
CIE-LCH	lch(27.07, 73.11, 317.67°)
OKLab	oklab(39.61% 0.1226 -0.1398)
OKLCH	oklch(39.61% 0.186 311.3)
XYZ	xyz(10.4716, 5.1187, 25.6305)
Luminance	0.0512 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66108D #378D10

analogous

#27108D #66108D #8D1075

triadic

#66108D #8D6610 #108D66

tetradic

#66108D #8D2710 #378D10 #10758D

square

#66108D #8D2710 #378D10 #10758D

split-complementary

#66108D #758D10 #108D27

monochromatic

#16041F #3E0A56 #66108D #8E16C4 #AE30E7

Accessibility & contrast

On white

10.38

#66108D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.02

#66108D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #66108D

10.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66108D	#FFFFFF	#000000	##FFFFFF
##66108D	1.00	10.38	2.02	10.38
#FFFFFF	10.38	1.00	21.00	1.00
#000000	2.02	21.00	1.00	21.00
##FFFFFF	10.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003C90

Deuteranopia (green-blind)

#00418B

Tritanopia (blue-blind)

#613452

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #66108d;
/* rgb */ color: rgb(102, 16, 141);
/* oklch */ color: oklch(39.6% 0.186 311.3);

Tailwind

colors: {
  custom: {
    50: '#975daf',
    500: '#66108d',
    950: '#000000',
  },
}

SCSS

$custom: #66108d;
$custom-light: #975daf;
$custom-dark: #000000;

JSON

{
  "hex": "#66108d",
  "rgb": {
    "r": 102,
    "g": 16,
    "b": 141
  },
  "hsl": {
    "h": 281.28,
    "s": 79.618,
    "l": 30.784
  },
  "oklch": {
    "l": 0.39613,
    "c": 0.18593,
    "h": 311.3
  },
  "luminance": 0.05118
}

Semantic roles & 50–950 ramp

primary

#66108D

secondary

#62C237

accent

#F6326F

background

#F9F5FA

surface

#F2EAF5

border

#CCC6CF

text

#0E0510

muted

#7E797F

Preview Lab

Preview with #66108D

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

Preview Lab → · Contrast checker → · Palette generator →