#66186E#66186E

#66186E is a dark, vivid purple. Relative luminance 0.046; OKLCH L 37.8% C 0.152 H 323.9°. Best body text is #FFFFFF at 10.93:1 contrast (WCAG AA passes).

Color values

HEX	#66186E
RGB	rgb(102, 24, 110)
HSL	hsl(294, 64%, 26%)
HSV	hsv(294, 78%, 43%)
CMYK	cmyk(7.3%, 78.2%, 0%, 56.9%)
CIE-LAB	lab(25.58, 45.44, -32.03)
CIE-LCH	lch(25.58, 55.59, 324.82°)
OKLab	oklab(37.83% 0.1224 -0.0894)
OKLCH	oklch(37.83% 0.152 323.9)
XYZ	xyz(8.6203, 4.6044, 15.1835)
Luminance	0.0460 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Royal Purple (survey)

#4B006E

ΔE00 6.97

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66186E #206E18

analogous

#3B186E #66186E #6E184B

triadic

#66186E #6E6618 #186E66

tetradic

#66186E #6E3B18 #206E18 #184B6E

square

#66186E #6E3B18 #206E18 #184B6E

split-complementary

#66186E #4B6E18 #186E3B

monochromatic

#170519 #370D3C #66186E #9523A0 #C22FD2

Accessibility & contrast

On white

10.93

#66186E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.92

#66186E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #66186E

10.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66186E	#FFFFFF	#000000	##FFFFFF
##66186E	1.00	10.93	1.92	10.93
#FFFFFF	10.93	1.00	21.00	1.00
#000000	1.92	21.00	1.00	21.00
##FFFFFF	10.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003770

Deuteranopia (green-blind)

#28406C

Tritanopia (blue-blind)

#682842

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #66186e;
/* rgb */ color: rgb(102, 24, 110);
/* oklch */ color: oklch(37.8% 0.152 323.9);

Tailwind

colors: {
  custom: {
    50: '#955e98',
    500: '#66186e',
    950: '#000000',
  },
}

SCSS

$custom: #66186e;
$custom-light: #955e98;
$custom-dark: #000000;

JSON

{
  "hex": "#66186e",
  "rgb": {
    "r": 102,
    "g": 24,
    "b": 110
  },
  "hsl": {
    "h": 294.419,
    "s": 64.179,
    "l": 26.275
  },
  "oklch": {
    "l": 0.37834,
    "c": 0.15151,
    "h": 323.9
  },
  "luminance": 0.04604
}

Semantic roles & 50–950 ramp

primary

#66186E

secondary

#48A43E

accent

#E74150

background

#F9F5F9

surface

#F2EAF2

border

#CCC6CC

text

#0E050E

muted

#7E797E

Preview Lab

Preview with #66186E

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

Preview Lab → · Contrast checker → · Palette generator →