#66166C#66166C

#66166C is a dark, vivid purple. Relative luminance 0.045; OKLCH L 37.5% C 0.152 H 324.9°. Best body text is #FFFFFF at 11.07:1 contrast (WCAG AA passes).

Color values

HEX	#66166C
RGB	rgb(102, 22, 108)
HSL	hsl(296, 66%, 25%)
HSV	hsv(296, 80%, 42%)
CMYK	cmyk(5.6%, 79.6%, 0%, 57.6%)
CIE-LAB	lab(25.20, 45.75, -31.33)
CIE-LCH	lch(25.20, 55.45, 325.60°)
OKLab	oklab(37.53% 0.1244 -0.0873)
OKLCH	oklch(37.53% 0.152 324.9)
XYZ	xyz(8.4730, 4.4819, 14.6033)
Luminance	0.0448 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Royal Purple (survey)

#4B006E

ΔE00 7.04

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66166C #1C6C16

analogous

#3B166C #66166C #6C1647

triadic

#66166C #6C6616 #166C66

tetradic

#66166C #6C3B16 #1C6C16 #16476C

square

#66166C #6C3B16 #1C6C16 #16476C

split-complementary

#66166C #476C16 #166C3B

monochromatic

#180519 #360C39 #66166C #96209F #C62BD2

Accessibility & contrast

On white

11.07

#66166C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.90

#66166C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #66166C

11.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66166C	#FFFFFF	#000000	##FFFFFF
##66166C	1.00	11.07	1.90	11.07
#FFFFFF	11.07	1.00	21.00	1.00
#000000	1.90	21.00	1.00	21.00
##FFFFFF	11.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00366E

Deuteranopia (green-blind)

#283F6A

Tritanopia (blue-blind)

#682640

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #66166c;
/* rgb */ color: rgb(102, 22, 108);
/* oklch */ color: oklch(37.5% 0.152 324.9);

Tailwind

colors: {
  custom: {
    50: '#955e96',
    500: '#66166c',
    950: '#000000',
  },
}

SCSS

$custom: #66166c;
$custom-light: #955e96;
$custom-dark: #000000;

JSON

{
  "hex": "#66166c",
  "rgb": {
    "r": 102,
    "g": 22,
    "b": 108
  },
  "hsl": {
    "h": 295.814,
    "s": 66.154,
    "l": 25.49
  },
  "oklch": {
    "l": 0.37527,
    "c": 0.15197,
    "h": 324.9
  },
  "luminance": 0.04481
}

Semantic roles & 50–950 ramp

primary

#66166C

secondary

#43A23C

accent

#E93F4B

background

#F9F5F9

surface

#F2E9F2

border

#CCC5CC

text

#0E050D

muted

#7E797E

Preview Lab

Preview with #66166C

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

Preview Lab → · Contrast checker → · Palette generator →