#66198F#66198F

#66198F is a dark, vivid violet. Relative luminance 0.055; OKLCH L 40.4% C 0.181 H 310.0°. Best body text is #FFFFFF at 10.00:1 contrast (WCAG AA passes).

Color values

HEX	#66198F
RGB	rgb(102, 25, 143)
HSL	hsl(279, 70%, 33%)
HSV	hsv(279, 83%, 56%)
CMYK	cmyk(28.7%, 82.5%, 0%, 43.9%)
CIE-LAB	lab(28.12, 51.87, -48.76)
CIE-LCH	lch(28.12, 71.19, 316.77°)
OKLab	oklab(40.4% 0.116 -0.1384)
OKLCH	oklch(40.4% 0.181 310)
XYZ	xyz(10.7841, 5.5034, 26.4755)
Luminance	0.0550 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66198F #428F19

analogous

#2B198F #66198F #8F197D

triadic

#66198F #8F6619 #198F66

tetradic

#66198F #8F2B19 #428F19 #197D8F

square

#66198F #8F2B19 #428F19 #197D8F

split-complementary

#66198F #7D8F19 #198F2B

monochromatic

#1C0727 #41105B #66198F #8B22C3 #A944DE

Accessibility & contrast

On white

10.00

#66198F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.10

#66198F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #66198F

10.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66198F	#FFFFFF	#000000	##FFFFFF
##66198F	1.00	10.00	2.10	10.00
#FFFFFF	10.00	1.00	21.00	1.00
#000000	2.10	21.00	1.00	21.00
##FFFFFF	10.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003F92

Deuteranopia (green-blind)

#00438D

Tritanopia (blue-blind)

#603855

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #66198f;
/* rgb */ color: rgb(102, 25, 143);
/* oklch */ color: oklch(40.4% 0.181 310.0);

Tailwind

colors: {
  custom: {
    50: '#9661b1',
    500: '#66198f',
    950: '#000000',
  },
}

SCSS

$custom: #66198f;
$custom-light: #9661b1;
$custom-dark: #000000;

JSON

{
  "hex": "#66198f",
  "rgb": {
    "r": 102,
    "g": 25,
    "b": 143
  },
  "hsl": {
    "h": 279.153,
    "s": 70.238,
    "l": 32.941
  },
  "oklch": {
    "l": 0.40397,
    "c": 0.18058,
    "h": 310
  },
  "luminance": 0.05503
}

Semantic roles & 50–950 ramp

primary

#66198F

secondary

#6FBF44

accent

#ED3B79

background

#F9F6FB

surface

#F2EBF6

border

#CCC6D0

text

#0E0511

muted

#7E7A80

Preview Lab

Preview with #66198F

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

Preview Lab → · Contrast checker → · Palette generator →