#66188A#66188A

#66188A is a dark, vivid purple. Relative luminance 0.053; OKLCH L 39.9% C 0.177 H 311.8°. Best body text is #FFFFFF at 10.18:1 contrast (WCAG AA passes).

Color values

HEX	#66188A
RGB	rgb(102, 24, 138)
HSL	hsl(281, 70%, 32%)
HSV	hsv(281, 83%, 54%)
CMYK	cmyk(26.1%, 82.6%, 0%, 45.9%)
CIE-LAB	lab(27.61, 51.12, -46.49)
CIE-LCH	lch(27.61, 69.10, 317.72°)
OKLab	oklab(39.91% 0.118 -0.1317)
OKLCH	oklch(39.91% 0.177 311.8)
XYZ	xyz(10.3927, 5.3133, 24.5179)
Luminance	0.0531 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66188A #3C8A18

analogous

#2D188A #66188A #8A1875

triadic

#66188A #8A6618 #188A66

tetradic

#66188A #8A2D18 #3C8A18 #18758A

square

#66188A #8A2D18 #3C8A18 #18758A

split-complementary

#66188A #758A18 #188A2D

monochromatic

#190622 #3F0F56 #66188A #8D21BE #AB3FDE

Accessibility & contrast

On white

10.18

#66188A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.06

#66188A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #66188A

10.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66188A	#FFFFFF	#000000	##FFFFFF
##66188A	1.00	10.18	2.06	10.18
#FFFFFF	10.18	1.00	21.00	1.00
#000000	2.06	21.00	1.00	21.00
##FFFFFF	10.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003E8D

Deuteranopia (green-blind)

#004388

Tritanopia (blue-blind)

#613552

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #66188a;
/* rgb */ color: rgb(102, 24, 138);
/* oklch */ color: oklch(39.9% 0.177 311.8);

Tailwind

colors: {
  custom: {
    50: '#9660ad',
    500: '#66188a',
    950: '#000000',
  },
}

SCSS

$custom: #66188a;
$custom-light: #9660ad;
$custom-dark: #000000;

JSON

{
  "hex": "#66188a",
  "rgb": {
    "r": 102,
    "g": 24,
    "b": 138
  },
  "hsl": {
    "h": 281.053,
    "s": 70.37,
    "l": 31.765
  },
  "oklch": {
    "l": 0.39912,
    "c": 0.17685,
    "h": 311.8
  },
  "luminance": 0.05313
}

Semantic roles & 50–950 ramp

primary

#66188A

secondary

#68BD40

accent

#ED3B73

background

#F9F6FA

surface

#F2EBF4

border

#CCC6CE

text

#0E0510

muted

#7E7A7F

Preview Lab

Preview with #66188A

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

Preview Lab → · Contrast checker → · Palette generator →