#66299C#66299C

#66299C is a dark, vivid violet. Relative luminance 0.068; OKLCH L 43.0% C 0.177 H 304.0°. Best body text is #FFFFFF at 8.89:1 contrast (WCAG AA passes).

Color values

HEX	#66299C
RGB	rgb(102, 41, 156)
HSL	hsl(272, 58%, 39%)
HSV	hsv(272, 74%, 61%)
CMYK	cmyk(34.6%, 73.7%, 0%, 38.8%)
CIE-LAB	lab(31.37, 48.52, -51.45)
CIE-LCH	lch(31.37, 70.72, 313.32°)
OKLab	oklab(43.01% 0.0986 -0.1465)
OKLCH	oklch(43.01% 0.177 304)
XYZ	xyz(12.2718, 6.8110, 32.1142)
Luminance	0.0681 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66299C #5F9C29

analogous

#2C299C #66299C #9C2998

triadic

#66299C #9C6629 #299C66

tetradic

#66299C #9C2C29 #5F9C29 #29989C

square

#66299C #9C2C29 #5F9C29 #29989C

split-complementary

#66299C #989C29 #299C2C

monochromatic

#27103B #461C6C #66299C #8638CB #A368D7

Accessibility & contrast

On white

8.89

#66299C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.36

#66299C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #66299C

8.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66299C	#FFFFFF	#000000	##FFFFFF
##66299C	1.00	8.89	2.36	8.89
#FFFFFF	8.89	1.00	21.00	1.00
#000000	2.36	21.00	1.00	21.00
##FFFFFF	8.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00489F

Deuteranopia (green-blind)

#004A9A

Tritanopia (blue-blind)

#5B4560

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #66299c;
/* rgb */ color: rgb(102, 41, 156);
/* oklch */ color: oklch(43.0% 0.177 304.0);

Tailwind

colors: {
  custom: {
    50: '#9769ba',
    500: '#66299c',
    950: '#000000',
  },
}

SCSS

$custom: #66299c;
$custom-light: #9769ba;
$custom-dark: #000000;

JSON

{
  "hex": "#66299c",
  "rgb": {
    "r": 102,
    "g": 41,
    "b": 156
  },
  "hsl": {
    "h": 271.826,
    "s": 58.376,
    "l": 38.627
  },
  "oklch": {
    "l": 0.43006,
    "c": 0.17658,
    "h": 304
  },
  "luminance": 0.06811
}

Semantic roles & 50–950 ramp

primary

#66299C

secondary

#8EBE63

accent

#E2468F

background

#F9F6FB

surface

#F2EBF6

border

#CCC6D0

text

#0E0712

muted

#7E7A81

Preview Lab

Preview with #66299C

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

Preview Lab → · Contrast checker → · Palette generator →