#66399D#66399D

#66399D is a mid, vivid violet. Relative luminance 0.082; OKLCH L 45.2% C 0.156 H 301.0°. Best body text is #FFFFFF at 7.96:1 contrast (WCAG AA passes).

Color values

HEX	#66399D
RGB	rgb(102, 57, 157)
HSL	hsl(267, 47%, 42%)
HSV	hsv(267, 64%, 62%)
CMYK	cmyk(35%, 63.7%, 0%, 38.4%)
CIE-LAB	lab(34.37, 40.70, -47.21)
CIE-LCH	lch(34.37, 62.33, 310.76°)
OKLab	oklab(45.17% 0.0807 -0.1341)
OKLCH	oklch(45.17% 0.156 301)
XYZ	xyz(13.0270, 8.1853, 32.7854)
Luminance	0.0819 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66399D #709D39

analogous

#393E9D #66399D #98399D

triadic

#66399D #9D6639 #399D66

tetradic

#66399D #9D393E #709D39 #399D98

square

#66399D #9D393E #709D39 #399D98

split-complementary

#66399D #9D9839 #3E9D39

monochromatic

#2C1843 #492970 #66399D #8453C0 #A480D1

Accessibility & contrast

On white

7.96

#66399D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.64

#66399D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #66399D

7.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66399D	#FFFFFF	#000000	##FFFFFF
##66399D	1.00	7.96	2.64	7.96
#FFFFFF	7.96	1.00	21.00	1.00
#000000	2.64	21.00	1.00	21.00
##FFFFFF	7.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0050A0

Deuteranopia (green-blind)

#14509B

Tritanopia (blue-blind)

#5A4F65

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #66399d;
/* rgb */ color: rgb(102, 57, 157);
/* oklch */ color: oklch(45.2% 0.156 301.0);

Tailwind

colors: {
  custom: {
    50: '#9672bb',
    500: '#66399d',
    950: '#000000',
  },
}

SCSS

$custom: #66399d;
$custom-light: #9672bb;
$custom-dark: #000000;

JSON

{
  "hex": "#66399d",
  "rgb": {
    "r": 102,
    "g": 57,
    "b": 157
  },
  "hsl": {
    "h": 267,
    "s": 46.729,
    "l": 41.961
  },
  "oklch": {
    "l": 0.45174,
    "c": 0.15648,
    "h": 301
  },
  "luminance": 0.08185
}

Semantic roles & 50–950 ramp

primary

#66399D

secondary

#9CBA78

accent

#D6519B

background

#F9F7FB

surface

#F2EDF6

border

#CCC8D0

text

#0E0812

muted

#7E7B81

Preview Lab

Preview with #66399D

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

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