#66197C#66197C

#66197C is a dark, vivid purple. Relative luminance 0.050; OKLCH L 38.9% C 0.163 H 317.3°. Best body text is #FFFFFF at 10.53:1 contrast (WCAG AA passes).

Color values

HEX	#66197C
RGB	rgb(102, 25, 124)
HSL	hsl(287, 66%, 29%)
HSV	hsv(287, 80%, 49%)
CMYK	cmyk(17.7%, 79.8%, 0%, 51.4%)
CIE-LAB	lab(26.67, 47.85, -39.22)
CIE-LCH	lch(26.67, 61.87, 320.66°)
OKLab	oklab(38.91% 0.1199 -0.1104)
OKLCH	oklch(38.91% 0.163 317.3)
XYZ	xyz(9.4647, 4.9757, 19.5267)
Luminance	0.0498 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66197C #2F7C19

analogous

#35197C #66197C #7C1961

triadic

#66197C #7C6619 #197C66

tetradic

#66197C #7C3519 #2F7C19 #19617C

square

#66197C #7C3519 #2F7C19 #19617C

split-complementary

#66197C #617C19 #197C35

monochromatic

#150519 #3C0F49 #66197C #9023AF #B438D7

Accessibility & contrast

On white

10.53

#66197C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.00

#66197C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #66197C

10.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66197C	#FFFFFF	#000000	##FFFFFF
##66197C	1.00	10.53	2.00	10.53
#FFFFFF	10.53	1.00	21.00	1.00
#000000	2.00	21.00	1.00	21.00
##FFFFFF	10.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A7F

Deuteranopia (green-blind)

#1B417A

Tritanopia (blue-blind)

#652F4A

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #66197c;
/* rgb */ color: rgb(102, 25, 124);
/* oklch */ color: oklch(38.9% 0.163 317.3);

Tailwind

colors: {
  custom: {
    50: '#9560a2',
    500: '#66197c',
    950: '#000000',
  },
}

SCSS

$custom: #66197c;
$custom-light: #9560a2;
$custom-dark: #000000;

JSON

{
  "hex": "#66197c",
  "rgb": {
    "r": 102,
    "g": 25,
    "b": 124
  },
  "hsl": {
    "h": 286.667,
    "s": 66.443,
    "l": 29.216
  },
  "oklch": {
    "l": 0.38914,
    "c": 0.16299,
    "h": 317.3
  },
  "luminance": 0.04975
}

Semantic roles & 50–950 ramp

primary

#66197C

secondary

#59B040

accent

#E93E64

background

#F9F5FA

surface

#F2EAF4

border

#CCC6CE

text

#0E050F

muted

#7E797F

Preview Lab

Preview with #66197C

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

Preview Lab → · Contrast checker → · Palette generator →