#66186A#66186A

#66186A is a dark, vivid purple. Relative luminance 0.045; OKLCH L 37.6% C 0.148 H 325.9°. Best body text is #FFFFFF at 11.03:1 contrast (WCAG AA passes).

Color values

HEX	#66186A
RGB	rgb(102, 24, 106)
HSL	hsl(297, 63%, 25%)
HSV	hsv(297, 77%, 42%)
CMYK	cmyk(3.8%, 77.4%, 0%, 58.4%)
CIE-LAB	lab(25.32, 44.68, -29.86)
CIE-LCH	lch(25.32, 53.74, 326.25°)
OKLab	oklab(37.57% 0.1225 -0.083)
OKLCH	oklch(37.57% 0.148 325.9)
XYZ	xyz(8.4075, 4.5192, 14.0623)
Luminance	0.0452 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Royal Purple (survey)

#4B006E

ΔE00 7.47

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66186A #1C6A18

analogous

#3D186A #66186A #6A1845

triadic

#66186A #6A6618 #186A66

tetradic

#66186A #6A3D18 #1C6A18 #18456A

square

#66186A #6A3D18 #1C6A18 #18456A

split-complementary

#66186A #456A18 #186A3D

monochromatic

#180619 #360D38 #66186A #96239C #C62FCE

Accessibility & contrast

On white

11.03

#66186A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.90

#66186A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #66186A

11.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66186A	#FFFFFF	#000000	##FFFFFF
##66186A	1.00	11.03	1.90	11.03
#FFFFFF	11.03	1.00	21.00	1.00
#000000	1.90	21.00	1.00	21.00
##FFFFFF	11.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#01366C

Deuteranopia (green-blind)

#2B3F68

Tritanopia (blue-blind)

#692640

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #66186a;
/* rgb */ color: rgb(102, 24, 106);
/* oklch */ color: oklch(37.6% 0.148 325.9);

Tailwind

colors: {
  custom: {
    50: '#955e95',
    500: '#66186a',
    950: '#000000',
  },
}

SCSS

$custom: #66186a;
$custom-light: #955e95;
$custom-dark: #000000;

JSON

{
  "hex": "#66186a",
  "rgb": {
    "r": 102,
    "g": 24,
    "b": 106
  },
  "hsl": {
    "h": 297.073,
    "s": 63.077,
    "l": 25.49
  },
  "oklch": {
    "l": 0.37567,
    "c": 0.14801,
    "h": 325.9
  },
  "luminance": 0.04519
}

Semantic roles & 50–950 ramp

primary

#66186A

secondary

#43A03E

accent

#E6424A

background

#F9F5F9

surface

#F2EAF1

border

#CCC6CB

text

#0E050D

muted

#7E797E

Preview Lab

Preview with #66186A

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

Preview Lab → · Contrast checker → · Palette generator →