#66538D#66538D

#66538D is a mid, moderate violet. Relative luminance 0.109; OKLCH L 48.7% C 0.093 H 298.0°. Best body text is #FFFFFF at 6.59:1 contrast (WCAG AA passes).

Color values

HEX	#66538D
RGB	rgb(102, 83, 141)
HSL	hsl(260, 26%, 44%)
HSV	hsv(260, 41%, 55%)
CMYK	cmyk(27.7%, 41.1%, 0%, 44.7%)
CIE-LAB	lab(39.47, 21.00, -29.39)
CIE-LCH	lch(39.47, 36.12, 305.55°)
OKLab	oklab(48.66% 0.0435 -0.082)
OKLCH	oklch(48.66% 0.093 298)
XYZ	xyz(13.3793, 10.9343, 26.5998)
Luminance	0.1093 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66538D #7A8D53

analogous

#535D8D #66538D #83538D

triadic

#66538D #8D6653 #538D66

tetradic

#66538D #8D535D #7A8D53 #538D83

square

#66538D #8D535D #7A8D53 #538D83

split-complementary

#66538D #8D8353 #5D8D53

monochromatic

#2E2640 #4A3C66 #66538D #8571AC #A698C2

Accessibility & contrast

On white

6.59

#66538D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.19

#66538D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #66538D

6.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66538D	#FFFFFF	#000000	##FFFFFF
##66538D	1.00	6.59	3.19	6.59
#FFFFFF	6.59	1.00	21.00	1.00
#000000	3.19	21.00	1.00	21.00
##FFFFFF	6.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#435D8F

Deuteranopia (green-blind)

#475C8B

Tritanopia (blue-blind)

#5E5D69

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #66538d;
/* rgb */ color: rgb(102, 83, 141);
/* oklch */ color: oklch(48.7% 0.093 298.0);

Tailwind

colors: {
  custom: {
    50: '#9383ae',
    500: '#66538d',
    950: '#000000',
  },
}

SCSS

$custom: #66538d;
$custom-light: #9383ae;
$custom-dark: #000000;

JSON

{
  "hex": "#66538d",
  "rgb": {
    "r": 102,
    "g": 83,
    "b": 141
  },
  "hsl": {
    "h": 259.655,
    "s": 25.893,
    "l": 43.922
  },
  "oklch": {
    "l": 0.48656,
    "c": 0.09285,
    "h": 298
  },
  "luminance": 0.10934
}

Semantic roles & 50–950 ramp

primary

#66538D

secondary

#A4B08C

accent

#C266A4

background

#F9F8FA

surface

#F1EFF4

border

#CBCACE

text

#0D0A10

muted

#7E7C7F

Preview Lab

Preview with #66538D

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

Preview Lab → · Contrast checker → · Palette generator →