#66186D#66186D

#66186D is a dark, vivid purple. Relative luminance 0.046; OKLCH L 37.8% C 0.151 H 324.4°. Best body text is #FFFFFF at 10.96:1 contrast (WCAG AA passes).

Color values

HEX	#66186D
RGB	rgb(102, 24, 109)
HSL	hsl(295, 64%, 26%)
HSV	hsv(295, 78%, 43%)
CMYK	cmyk(6.4%, 78%, 0%, 57.3%)
CIE-LAB	lab(25.51, 45.25, -31.49)
CIE-LCH	lch(25.51, 55.13, 325.16°)
OKLab	oklab(37.77% 0.1224 -0.0878)
OKLCH	oklch(37.77% 0.151 324.4)
XYZ	xyz(8.5662, 4.5827, 14.8984)
Luminance	0.0458 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Royal Purple (survey)

#4B006E

ΔE00 7.08

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66186D #1F6D18

analogous

#3B186D #66186D #6D1849

triadic

#66186D #6D6618 #186D66

tetradic

#66186D #6D3B18 #1F6D18 #18496D

square

#66186D #6D3B18 #1F6D18 #18496D

split-complementary

#66186D #496D18 #186D3B

monochromatic

#170619 #370D3B #66186D #95239F #C42ED1

Accessibility & contrast

On white

10.96

#66186D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.92

#66186D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #66186D

10.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66186D	#FFFFFF	#000000	##FFFFFF
##66186D	1.00	10.96	1.92	10.96
#FFFFFF	10.96	1.00	21.00	1.00
#000000	1.92	21.00	1.00	21.00
##FFFFFF	10.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00376F

Deuteranopia (green-blind)

#29406B

Tritanopia (blue-blind)

#682741

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #66186d;
/* rgb */ color: rgb(102, 24, 109);
/* oklch */ color: oklch(37.8% 0.151 324.4);

Tailwind

colors: {
  custom: {
    50: '#955e97',
    500: '#66186d',
    950: '#000000',
  },
}

SCSS

$custom: #66186d;
$custom-light: #955e97;
$custom-dark: #000000;

JSON

{
  "hex": "#66186d",
  "rgb": {
    "r": 102,
    "g": 24,
    "b": 109
  },
  "hsl": {
    "h": 295.059,
    "s": 63.91,
    "l": 26.078
  },
  "oklch": {
    "l": 0.37767,
    "c": 0.15063,
    "h": 324.4
  },
  "luminance": 0.04582
}

Semantic roles & 50–950 ramp

primary

#66186D

secondary

#46A33E

accent

#E7414F

background

#F9F5F9

surface

#F2EAF2

border

#CCC6CC

text

#0E050D

muted

#7E797E

Preview Lab

Preview with #66186D

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

Preview Lab → · Contrast checker → · Palette generator →