#66557E#66557E

#66557E is a mid, moderate violet. Relative luminance 0.108; OKLCH L 48.3% C 0.067 H 303.0°. Best body text is #FFFFFF at 6.63:1 contrast (WCAG AA passes).

Color values

HEX	#66557E
RGB	rgb(102, 85, 126)
HSL	hsl(265, 19%, 41%)
HSV	hsv(265, 33%, 49%)
CMYK	cmyk(19%, 32.5%, 0%, 50.6%)
CIE-LAB	lab(39.29, 15.91, -20.53)
CIE-LCH	lch(39.29, 25.97, 307.76°)
OKLab	oklab(48.29% 0.0367 -0.0565)
OKLCH	oklch(48.29% 0.067 303)
XYZ	xyz(12.4931, 10.8282, 21.1665)
Luminance	0.1083 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66557E #6D7E55

analogous

#55597E #66557E #7B557E

triadic

#66557E #7E6655 #557E66

tetradic

#66557E #7E5559 #6D7E55 #557E7B

square

#66557E #7E5559 #6D7E55 #557E7B

split-complementary

#66557E #7E7B55 #597E55

monochromatic

#2B2435 #483C59 #66557E #84719F #A496B8

Accessibility & contrast

On white

6.63

#66557E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.17

#66557E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #66557E

6.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66557E	#FFFFFF	#000000	##FFFFFF
##66557E	1.00	6.63	3.17	6.63
#FFFFFF	6.63	1.00	21.00	1.00
#000000	3.17	21.00	1.00	21.00
##FFFFFF	6.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4C5C80

Deuteranopia (green-blind)

#505C7D

Tritanopia (blue-blind)

#625B64

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #66557e;
/* rgb */ color: rgb(102, 85, 126);
/* oklch */ color: oklch(48.3% 0.067 303.0);

Tailwind

colors: {
  custom: {
    50: '#9285a3',
    500: '#66557e',
    950: '#000000',
  },
}

SCSS

$custom: #66557e;
$custom-light: #9285a3;
$custom-dark: #000000;

JSON

{
  "hex": "#66557e",
  "rgb": {
    "r": 102,
    "g": 85,
    "b": 126
  },
  "hsl": {
    "h": 264.878,
    "s": 19.431,
    "l": 41.373
  },
  "oklch": {
    "l": 0.48286,
    "c": 0.06742,
    "h": 303
  },
  "luminance": 0.10828
}

Semantic roles & 50–950 ramp

primary

#66557E

secondary

#9AA589

accent

#BC6C9B

background

#F9F8FA

surface

#F1EFF4

border

#CBCACE

text

#0D0B0F

muted

#7E7C7F

Preview Lab

Preview with #66557E

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

Preview Lab → · Contrast checker → · Palette generator →