#66177D#66177D

#66177D is a dark, vivid purple. Relative luminance 0.049; OKLCH L 38.8% C 0.166 H 317.1°. Best body text is #FFFFFF at 10.59:1 contrast (WCAG AA passes).

Color values

HEX	#66177D
RGB	rgb(102, 23, 125)
HSL	hsl(286, 69%, 29%)
HSV	hsv(286, 82%, 49%)
CMYK	cmyk(18.4%, 81.6%, 0%, 51%)
CIE-LAB	lab(26.50, 48.74, -40.12)
CIE-LCH	lch(26.50, 63.13, 320.54°)
OKLab	oklab(38.82% 0.1215 -0.113)
OKLCH	oklch(38.82% 0.166 317.1)
XYZ	xyz(9.4870, 4.9187, 19.8477)
Luminance	0.0492 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66177D #2E7D17

analogous

#33177D #66177D #7D1761

triadic

#66177D #7D6617 #177D66

tetradic

#66177D #7D3317 #2E7D17 #17617D

square

#66177D #7D3317 #2E7D17 #17617D

split-complementary

#66177D #617D17 #177D33

monochromatic

#15051A #3C0D49 #66177D #9021B1 #B535DA

Accessibility & contrast

On white

10.59

#66177D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.98

#66177D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #66177D

10.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66177D	#FFFFFF	#000000	##FFFFFF
##66177D	1.00	10.59	1.98	10.59
#FFFFFF	10.59	1.00	21.00	1.00
#000000	1.98	21.00	1.00	21.00
##FFFFFF	10.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A80

Deuteranopia (green-blind)

#19417B

Tritanopia (blue-blind)

#652E4A

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #66177d;
/* rgb */ color: rgb(102, 23, 125);
/* oklch */ color: oklch(38.8% 0.166 317.1);

Tailwind

colors: {
  custom: {
    50: '#955fa3',
    500: '#66177d',
    950: '#000000',
  },
}

SCSS

$custom: #66177d;
$custom-light: #955fa3;
$custom-dark: #000000;

JSON

{
  "hex": "#66177d",
  "rgb": {
    "r": 102,
    "g": 23,
    "b": 125
  },
  "hsl": {
    "h": 286.471,
    "s": 68.919,
    "l": 29.02
  },
  "oklch": {
    "l": 0.38822,
    "c": 0.16594,
    "h": 317.1
  },
  "luminance": 0.04918
}

Semantic roles & 50–950 ramp

primary

#66177D

secondary

#58B23E

accent

#EC3C64

background

#F9F5FA

surface

#F2EAF4

border

#CCC6CE

text

#0E050F

muted

#7E797F

Preview Lab

Preview with #66177D

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

Preview Lab → · Contrast checker → · Palette generator →