#66197D#66197D

#66197D is a dark, vivid purple. Relative luminance 0.050; OKLCH L 39.0% C 0.164 H 316.9°. Best body text is #FFFFFF at 10.50:1 contrast (WCAG AA passes).

Color values

HEX	#66197D
RGB	rgb(102, 25, 125)
HSL	hsl(286, 67%, 29%)
HSV	hsv(286, 80%, 49%)
CMYK	cmyk(18.4%, 80%, 0%, 51%)
CIE-LAB	lab(26.74, 48.06, -39.74)
CIE-LCH	lch(26.74, 62.36, 320.41°)
OKLab	oklab(38.99% 0.1197 -0.1119)
OKLCH	oklch(38.99% 0.164 316.9)
XYZ	xyz(9.5282, 5.0011, 19.8615)
Luminance	0.0500 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66197D #307D19

analogous

#34197D #66197D #7D1962

triadic

#66197D #7D6619 #197D66

tetradic

#66197D #7D3419 #307D19 #19627D

square

#66197D #7D3419 #307D19 #19627D

split-complementary

#66197D #627D19 #197D34

monochromatic

#15051A #3C0F4A #66197D #9023B0 #B339D7

Accessibility & contrast

On white

10.50

#66197D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.00

#66197D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #66197D

10.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66197D	#FFFFFF	#000000	##FFFFFF
##66197D	1.00	10.50	2.00	10.50
#FFFFFF	10.50	1.00	21.00	1.00
#000000	2.00	21.00	1.00	21.00
##FFFFFF	10.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003B80

Deuteranopia (green-blind)

#1A417B

Tritanopia (blue-blind)

#652F4B

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #66197d;
/* rgb */ color: rgb(102, 25, 125);
/* oklch */ color: oklch(39.0% 0.164 316.9);

Tailwind

colors: {
  custom: {
    50: '#9560a3',
    500: '#66197d',
    950: '#000000',
  },
}

SCSS

$custom: #66197d;
$custom-light: #9560a3;
$custom-dark: #000000;

JSON

{
  "hex": "#66197d",
  "rgb": {
    "r": 102,
    "g": 25,
    "b": 125
  },
  "hsl": {
    "h": 286.2,
    "s": 66.667,
    "l": 29.412
  },
  "oklch": {
    "l": 0.38988,
    "c": 0.1639,
    "h": 316.9
  },
  "luminance": 0.05001
}

Semantic roles & 50–950 ramp

primary

#66197D

secondary

#5AB140

accent

#EA3E66

background

#F9F5FA

surface

#F2EAF4

border

#CCC6CE

text

#0E050F

muted

#7E797F

Preview Lab

Preview with #66197D

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

Preview Lab → · Contrast checker → · Palette generator →