#66309E#66309E

#66309E is a dark, vivid violet. Relative luminance 0.074; OKLCH L 44.0% C 0.170 H 302.3°. Best body text is #FFFFFF at 8.46:1 contrast (WCAG AA passes).

Color values

HEX	#66309E
RGB	rgb(102, 48, 158)
HSL	hsl(269, 53%, 40%)
HSV	hsv(269, 70%, 62%)
CMYK	cmyk(35.4%, 69.6%, 0%, 38%)
CIE-LAB	lab(32.72, 45.68, -50.49)
CIE-LCH	lch(32.72, 68.08, 312.14°)
OKLab	oklab(44.01% 0.091 -0.1437)
OKLCH	oklch(44.01% 0.17 302.3)
XYZ	xyz(12.7065, 7.4073, 33.1014)
Luminance	0.0741 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 7.78

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66309E #689E30

analogous

#30319E #66309E #9D309E

triadic

#66309E #9E6630 #309E66

tetradic

#66309E #9E3031 #689E30 #309E9D

square

#66309E #9E3031 #689E30 #309E9D

split-complementary

#66309E #9E9D30 #319E30

monochromatic

#291340 #48226F #66309E #8445C6 #A374D5

Accessibility & contrast

On white

8.46

#66309E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.48

#66309E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #66309E

8.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66309E	#FFFFFF	#000000	##FFFFFF
##66309E	1.00	8.46	2.48	8.46
#FFFFFF	8.46	1.00	21.00	1.00
#000000	2.48	21.00	1.00	21.00
##FFFFFF	8.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004CA1

Deuteranopia (green-blind)

#004D9C

Tritanopia (blue-blind)

#5A4A63

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #66309e;
/* rgb */ color: rgb(102, 48, 158);
/* oklch */ color: oklch(44.0% 0.170 302.3);

Tailwind

colors: {
  custom: {
    50: '#966dbb',
    500: '#66309e',
    950: '#000000',
  },
}

SCSS

$custom: #66309e;
$custom-light: #966dbb;
$custom-dark: #000000;

JSON

{
  "hex": "#66309e",
  "rgb": {
    "r": 102,
    "g": 48,
    "b": 158
  },
  "hsl": {
    "h": 269.455,
    "s": 53.398,
    "l": 40.392
  },
  "oklch": {
    "l": 0.4401,
    "c": 0.17004,
    "h": 302.3
  },
  "luminance": 0.07407
}

Semantic roles & 50–950 ramp

primary

#66309E

secondary

#96BD6D

accent

#DD4B95

background

#F9F6FB

surface

#F2ECF6

border

#CCC7D0

text

#0E0712

muted

#7E7A81

Preview Lab

Preview with #66309E

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

Preview Lab → · Contrast checker → · Palette generator →