#66148B#66148B

#66148B is a dark, vivid purple. Relative luminance 0.052; OKLCH L 39.7% C 0.181 H 311.8°. Best body text is #FFFFFF at 10.31:1 contrast (WCAG AA passes).

Color values

HEX	#66148B
RGB	rgb(102, 20, 139)
HSL	hsl(281, 75%, 31%)
HSV	hsv(281, 86%, 55%)
CMYK	cmyk(26.6%, 85.6%, 0%, 45.5%)
CIE-LAB	lab(27.27, 52.56, -47.66)
CIE-LCH	lch(27.27, 70.96, 317.80°)
OKLab	oklab(39.7% 0.1207 -0.1352)
OKLCH	oklch(39.7% 0.181 311.8)
XYZ	xyz(10.3890, 5.1895, 24.8755)
Luminance	0.0519 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66148B #398B14

analogous

#2B148B #66148B #8B1474

triadic

#66148B #8B6614 #148B66

tetradic

#66148B #8B2B14 #398B14 #14748B

square

#66148B #8B2B14 #398B14 #14748B

split-complementary

#66148B #748B14 #148B2B

monochromatic

#170520 #3F0C55 #66148B #8D1CC1 #AD37E2

Accessibility & contrast

On white

10.31

#66148B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.04

#66148B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #66148B

10.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66148B	#FFFFFF	#000000	##FFFFFF
##66148B	1.00	10.31	2.04	10.31
#FFFFFF	10.31	1.00	21.00	1.00
#000000	2.04	21.00	1.00	21.00
##FFFFFF	10.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003D8E

Deuteranopia (green-blind)

#004289

Tritanopia (blue-blind)

#613452

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #66148b;
/* rgb */ color: rgb(102, 20, 139);
/* oklch */ color: oklch(39.7% 0.181 311.8);

Tailwind

colors: {
  custom: {
    50: '#965fae',
    500: '#66148b',
    950: '#000000',
  },
}

SCSS

$custom: #66148b;
$custom-light: #965fae;
$custom-dark: #000000;

JSON

{
  "hex": "#66148b",
  "rgb": {
    "r": 102,
    "g": 20,
    "b": 139
  },
  "hsl": {
    "h": 281.345,
    "s": 74.843,
    "l": 31.176
  },
  "oklch": {
    "l": 0.39699,
    "c": 0.18121,
    "h": 311.8
  },
  "luminance": 0.05189
}

Semantic roles & 50–950 ramp

primary

#66148B

secondary

#65BF3C

accent

#F13671

background

#F9F5FA

surface

#F2EAF4

border

#CCC6CE

text

#0E0510

muted

#7E797F

Preview Lab

Preview with #66148B

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

Preview Lab → · Contrast checker → · Palette generator →