#66198D#66198D

#66198D is a dark, vivid violet. Relative luminance 0.054; OKLCH L 40.2% C 0.179 H 310.7°. Best body text is #FFFFFF at 10.05:1 contrast (WCAG AA passes).

Color values

HEX	#66198D
RGB	rgb(102, 25, 141)
HSL	hsl(280, 70%, 33%)
HSV	hsv(280, 82%, 55%)
CMYK	cmyk(27.7%, 82.3%, 0%, 44.7%)
CIE-LAB	lab(27.96, 51.44, -47.78)
CIE-LCH	lch(27.96, 70.20, 317.11°)
OKLab	oklab(40.23% 0.1165 -0.1356)
OKLCH	oklch(40.23% 0.179 310.7)
XYZ	xyz(10.6339, 5.4434, 25.6846)
Luminance	0.0544 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66198D #408D19

analogous

#2C198D #66198D #8D197A

triadic

#66198D #8D6619 #198D66

tetradic

#66198D #8D2C19 #408D19 #197A8D

square

#66198D #8D2C19 #408D19 #197A8D

split-complementary

#66198D #7A8D19 #198D2C

monochromatic

#1B0725 #401059 #66198D #8C22C1 #AA43DE

Accessibility & contrast

On white

10.05

#66198D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.09

#66198D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #66198D

10.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66198D	#FFFFFF	#000000	##FFFFFF
##66198D	1.00	10.05	2.09	10.05
#FFFFFF	10.05	1.00	21.00	1.00
#000000	2.09	21.00	1.00	21.00
##FFFFFF	10.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003F90

Deuteranopia (green-blind)

#00438B

Tritanopia (blue-blind)

#613754

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #66198d;
/* rgb */ color: rgb(102, 25, 141);
/* oklch */ color: oklch(40.2% 0.179 310.7);

Tailwind

colors: {
  custom: {
    50: '#9660af',
    500: '#66198d',
    950: '#000000',
  },
}

SCSS

$custom: #66198d;
$custom-light: #9660af;
$custom-dark: #000000;

JSON

{
  "hex": "#66198d",
  "rgb": {
    "r": 102,
    "g": 25,
    "b": 141
  },
  "hsl": {
    "h": 279.828,
    "s": 69.88,
    "l": 32.549
  },
  "oklch": {
    "l": 0.40234,
    "c": 0.17872,
    "h": 310.7
  },
  "luminance": 0.05443
}

Semantic roles & 50–950 ramp

primary

#66198D

secondary

#6DBF43

accent

#ED3B77

background

#F9F6FA

surface

#F2EBF5

border

#CCC6CF

text

#0E0510

muted

#7E7A7F

Preview Lab

Preview with #66198D

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

Preview Lab → · Contrast checker → · Palette generator →