#66198E#66198E

#66198E is a dark, vivid violet. Relative luminance 0.055; OKLCH L 40.3% C 0.180 H 310.3°. Best body text is #FFFFFF at 10.03:1 contrast (WCAG AA passes).

Color values

HEX	#66198E
RGB	rgb(102, 25, 142)
HSL	hsl(279, 70%, 33%)
HSV	hsv(279, 82%, 56%)
CMYK	cmyk(28.2%, 82.4%, 0%, 44.3%)
CIE-LAB	lab(28.04, 51.65, -48.27)
CIE-LCH	lch(28.04, 70.69, 316.94°)
OKLab	oklab(40.32% 0.1162 -0.137)
OKLCH	oklch(40.32% 0.18 310.3)
XYZ	xyz(10.7086, 5.4733, 26.0783)
Luminance	0.0547 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66198E #418E19

analogous

#2B198E #66198E #8E197C

triadic

#66198E #8E6619 #198E66

tetradic

#66198E #8E2B19 #418E19 #197C8E

square

#66198E #8E2B19 #418E19 #197C8E

split-complementary

#66198E #7C8E19 #198E2B

monochromatic

#1B0726 #41105A #66198E #8B22C2 #A943DE

Accessibility & contrast

On white

10.03

#66198E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.09

#66198E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #66198E

10.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66198E	#FFFFFF	#000000	##FFFFFF
##66198E	1.00	10.03	2.09	10.03
#FFFFFF	10.03	1.00	21.00	1.00
#000000	2.09	21.00	1.00	21.00
##FFFFFF	10.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003F91

Deuteranopia (green-blind)

#00438C

Tritanopia (blue-blind)

#603754

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #66198e;
/* rgb */ color: rgb(102, 25, 142);
/* oklch */ color: oklch(40.3% 0.180 310.3);

Tailwind

colors: {
  custom: {
    50: '#9661b0',
    500: '#66198e',
    950: '#000000',
  },
}

SCSS

$custom: #66198e;
$custom-light: #9661b0;
$custom-dark: #000000;

JSON

{
  "hex": "#66198e",
  "rgb": {
    "r": 102,
    "g": 25,
    "b": 142
  },
  "hsl": {
    "h": 279.487,
    "s": 70.06,
    "l": 32.745
  },
  "oklch": {
    "l": 0.40315,
    "c": 0.17964,
    "h": 310.3
  },
  "luminance": 0.05473
}

Semantic roles & 50–950 ramp

primary

#66198E

secondary

#6EBF44

accent

#ED3B78

background

#F9F6FA

surface

#F2EBF5

border

#CCC6CF

text

#0E0511

muted

#7E7A80

Preview Lab

Preview with #66198E

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

Preview Lab → · Contrast checker → · Palette generator →