#66186B#66186B

#66186B is a dark, vivid purple. Relative luminance 0.045; OKLCH L 37.6% C 0.149 H 325.4°. Best body text is #FFFFFF at 11.01:1 contrast (WCAG AA passes).

Color values

HEX	#66186B
RGB	rgb(102, 24, 107)
HSL	hsl(296, 63%, 26%)
HSV	hsv(296, 78%, 42%)
CMYK	cmyk(4.7%, 77.6%, 0%, 58%)
CIE-LAB	lab(25.38, 44.87, -30.40)
CIE-LCH	lch(25.38, 54.20, 325.88°)
OKLab	oklab(37.63% 0.1225 -0.0846)
OKLCH	oklch(37.63% 0.149 325.4)
XYZ	xyz(8.4598, 4.5401, 14.3378)
Luminance	0.0454 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Royal Purple (survey)

#4B006E

ΔE00 7.33

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66186B #1D6B18

analogous

#3C186B #66186B #6B1846

triadic

#66186B #6B6618 #186B66

tetradic

#66186B #6B3C18 #1D6B18 #18466B

square

#66186B #6B3C18 #1D6B18 #18466B

split-complementary

#66186B #466B18 #186B3C

monochromatic

#180619 #360D39 #66186B #96239D #C52ECF

Accessibility & contrast

On white

11.01

#66186B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.91

#66186B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #66186B

11.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66186B	#FFFFFF	#000000	##FFFFFF
##66186B	1.00	11.01	1.91	11.01
#FFFFFF	11.01	1.00	21.00	1.00
#000000	1.91	21.00	1.00	21.00
##FFFFFF	11.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00366D

Deuteranopia (green-blind)

#2A3F69

Tritanopia (blue-blind)

#682640

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #66186b;
/* rgb */ color: rgb(102, 24, 107);
/* oklch */ color: oklch(37.6% 0.149 325.4);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#66186b",
  "rgb": {
    "r": 102,
    "g": 24,
    "b": 107
  },
  "hsl": {
    "h": 296.386,
    "s": 63.359,
    "l": 25.686
  },
  "oklch": {
    "l": 0.37633,
    "c": 0.14889,
    "h": 325.4
  },
  "luminance": 0.0454
}

Semantic roles & 50–950 ramp

primary

#66186B

secondary

#44A13E

accent

#E6414B

background

#F9F5F9

surface

#F2EAF2

border

#CCC6CC

text

#0E050D

muted

#7E797E

Preview Lab

Preview with #66186B

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

Preview Lab → · Contrast checker → · Palette generator →