#66186C#66186C

#66186C is a dark, vivid purple. Relative luminance 0.046; OKLCH L 37.7% C 0.150 H 324.9°. Best body text is #FFFFFF at 10.98:1 contrast (WCAG AA passes).

Color values

HEX	#66186C
RGB	rgb(102, 24, 108)
HSL	hsl(296, 64%, 26%)
HSV	hsv(296, 78%, 42%)
CMYK	cmyk(5.6%, 77.8%, 0%, 57.6%)
CIE-LAB	lab(25.45, 45.06, -30.95)
CIE-LCH	lch(25.45, 54.66, 325.52°)
OKLab	oklab(37.7% 0.1225 -0.0862)
OKLCH	oklch(37.7% 0.15 324.9)
XYZ	xyz(8.5127, 4.5613, 14.6165)
Luminance	0.0456 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Royal Purple (survey)

#4B006E

ΔE00 7.21

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66186C #1E6C18

analogous

#3C186C #66186C #6C1848

triadic

#66186C #6C6618 #186C66

tetradic

#66186C #6C3C18 #1E6C18 #18486C

square

#66186C #6C3C18 #1E6C18 #18486C

split-complementary

#66186C #486C18 #186C3C

monochromatic

#180619 #370D3A #66186C #95239E #C52ED0

Accessibility & contrast

On white

10.98

#66186C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.91

#66186C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #66186C

10.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66186C	#FFFFFF	#000000	##FFFFFF
##66186C	1.00	10.98	1.91	10.98
#FFFFFF	10.98	1.00	21.00	1.00
#000000	1.91	21.00	1.00	21.00
##FFFFFF	10.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00366E

Deuteranopia (green-blind)

#293F6A

Tritanopia (blue-blind)

#682741

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #66186c;
/* rgb */ color: rgb(102, 24, 108);
/* oklch */ color: oklch(37.7% 0.150 324.9);

Tailwind

colors: {
  custom: {
    50: '#955e96',
    500: '#66186c',
    950: '#000000',
  },
}

SCSS

$custom: #66186c;
$custom-light: #955e96;
$custom-dark: #000000;

JSON

{
  "hex": "#66186c",
  "rgb": {
    "r": 102,
    "g": 24,
    "b": 108
  },
  "hsl": {
    "h": 295.714,
    "s": 63.636,
    "l": 25.882
  },
  "oklch": {
    "l": 0.377,
    "c": 0.14976,
    "h": 324.9
  },
  "luminance": 0.04561
}

Semantic roles & 50–950 ramp

primary

#66186C

secondary

#45A23E

accent

#E7414D

background

#F9F5F9

surface

#F2EAF2

border

#CCC6CC

text

#0E050D

muted

#7E797E

Preview Lab

Preview with #66186C

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

Preview Lab → · Contrast checker → · Palette generator →