#66198A#66198A

#66198A is a dark, vivid purple. Relative luminance 0.054; OKLCH L 40.0% C 0.176 H 311.8°. Best body text is #FFFFFF at 10.14:1 contrast (WCAG AA passes).

Color values

HEX	#66198A
RGB	rgb(102, 25, 138)
HSL	hsl(281, 69%, 32%)
HSV	hsv(281, 82%, 54%)
CMYK	cmyk(26.1%, 81.9%, 0%, 45.9%)
CIE-LAB	lab(27.72, 50.79, -46.30)
CIE-LCH	lch(27.72, 68.73, 317.65°)
OKLab	oklab(39.99% 0.1172 -0.1312)
OKLCH	oklch(39.99% 0.176 311.8)
XYZ	xyz(10.4137, 5.3553, 24.5249)
Luminance	0.0536 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Royal Purple (survey)

#4B006E

ΔE00 6.71

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66198A #3D8A19

analogous

#2E198A #66198A #8A1976

triadic

#66198A #8A6619 #198A66

tetradic

#66198A #8A2E19 #3D8A19 #19768A

square

#66198A #8A2E19 #3D8A19 #19768A

split-complementary

#66198A #768A19 #198A2E

monochromatic

#190622 #401056 #66198A #8C22BE #AB41DD

Accessibility & contrast

On white

10.14

#66198A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.07

#66198A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #66198A

10.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66198A	#FFFFFF	#000000	##FFFFFF
##66198A	1.00	10.14	2.07	10.14
#FFFFFF	10.14	1.00	21.00	1.00
#000000	2.07	21.00	1.00	21.00
##FFFFFF	10.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003E8D

Deuteranopia (green-blind)

#004388

Tritanopia (blue-blind)

#613552

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #66198a;
/* rgb */ color: rgb(102, 25, 138);
/* oklch */ color: oklch(40.0% 0.176 311.8);

Tailwind

colors: {
  custom: {
    50: '#9660ad',
    500: '#66198a',
    950: '#000000',
  },
}

SCSS

$custom: #66198a;
$custom-light: #9660ad;
$custom-dark: #000000;

JSON

{
  "hex": "#66198a",
  "rgb": {
    "r": 102,
    "g": 25,
    "b": 138
  },
  "hsl": {
    "h": 280.885,
    "s": 69.325,
    "l": 31.961
  },
  "oklch": {
    "l": 0.39992,
    "c": 0.17592,
    "h": 311.8
  },
  "luminance": 0.05355
}

Semantic roles & 50–950 ramp

primary

#66198A

secondary

#69BD42

accent

#EC3C74

background

#F9F6FA

surface

#F2EBF4

border

#CCC6CE

text

#0E0510

muted

#7E7A7F

Preview Lab

Preview with #66198A

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

Preview Lab → · Contrast checker → · Palette generator →