#66189C#66189C

#66189C is a dark, vivid violet. Relative luminance 0.059; OKLCH L 41.4% C 0.194 H 305.7°. Best body text is #FFFFFF at 9.65:1 contrast (WCAG AA passes).

Color values

HEX	#66189C
RGB	rgb(102, 24, 156)
HSL	hsl(275, 73%, 35%)
HSV	hsv(275, 85%, 61%)
CMYK	cmyk(34.6%, 84.6%, 0%, 38.8%)
CIE-LAB	lab(29.10, 55.06, -55.15)
CIE-LCH	lch(29.10, 77.93, 314.95°)
OKLab	oklab(41.42% 0.113 -0.1572)
OKLCH	oklch(41.42% 0.194 305.7)
XYZ	xyz(11.8055, 5.8784, 31.9588)
Luminance	0.0588 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66189C #4E9C18

analogous

#24189C #66189C #9C1890

triadic

#66189C #9C6618 #189C66

tetradic

#66189C #9C2418 #4E9C18 #18909C

square

#66189C #9C2418 #4E9C18 #18909C

split-complementary

#66189C #909C18 #189C24

monochromatic

#210832 #431067 #66189C #8920D1 #A54BE3

Accessibility & contrast

On white

9.65

#66189C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.18

#66189C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #66189C

9.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66189C	#FFFFFF	#000000	##FFFFFF
##66189C	1.00	9.65	2.18	9.65
#FFFFFF	9.65	1.00	21.00	1.00
#000000	2.18	21.00	1.00	21.00
##FFFFFF	9.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00439F

Deuteranopia (green-blind)

#00459A

Tritanopia (blue-blind)

#5C3D5C

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #66189c;
/* rgb */ color: rgb(102, 24, 156);
/* oklch */ color: oklch(41.4% 0.194 305.7);

Tailwind

colors: {
  custom: {
    50: '#9861ba',
    500: '#66189c',
    950: '#000000',
  },
}

SCSS

$custom: #66189c;
$custom-light: #9861ba;
$custom-dark: #000000;

JSON

{
  "hex": "#66189c",
  "rgb": {
    "r": 102,
    "g": 24,
    "b": 156
  },
  "hsl": {
    "h": 275.455,
    "s": 73.333,
    "l": 35.294
  },
  "oklch": {
    "l": 0.41417,
    "c": 0.19358,
    "h": 305.7
  },
  "luminance": 0.05878
}

Semantic roles & 50–950 ramp

primary

#66189C

secondary

#7DC54B

accent

#F03883

background

#F9F6FB

surface

#F2EBF6

border

#CCC6D0

text

#0E0512

muted

#7E7A81

Preview Lab

Preview with #66189C

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

Preview Lab → · Contrast checker → · Palette generator →