#66539D#66539D

#66539D is a mid, moderate violet. Relative luminance 0.114; OKLCH L 49.6% C 0.116 H 293.6°. Best body text is #FFFFFF at 6.38:1 contrast (WCAG AA passes).

Color values

HEX	#66539D
RGB	rgb(102, 83, 157)
HSL	hsl(255, 31%, 47%)
HSV	hsv(255, 47%, 62%)
CMYK	cmyk(35%, 47.1%, 0%, 38.4%)
CIE-LAB	lab(40.32, 25.36, -37.68)
CIE-LCH	lch(40.32, 45.42, 303.94°)
OKLab	oklab(49.58% 0.0463 -0.1061)
OKLCH	oklch(49.58% 0.116 293.6)
XYZ	xyz(14.6570, 11.4453, 33.3287)
Luminance	0.1145 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66539D #8A9D53

analogous

#53659D #66539D #8B539D

triadic

#66539D #9D6653 #539D66

tetradic

#66539D #9D5365 #8A9D53 #539D8B

square

#66539D #9D5365 #8A9D53 #539D8B

split-complementary

#66539D #9D8B53 #659D53

monochromatic

#32294D #4C3E75 #66539D #8776B7 #AA9ECC

Accessibility & contrast

On white

6.38

#66539D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.29

#66539D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #66539D

6.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66539D	#FFFFFF	#000000	##FFFFFF
##66539D	1.00	6.38	3.29	6.38
#FFFFFF	6.38	1.00	21.00	1.00
#000000	3.29	21.00	1.00	21.00
##FFFFFF	6.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3A60A0

Deuteranopia (green-blind)

#3D5E9B

Tritanopia (blue-blind)

#596170

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #66539d;
/* rgb */ color: rgb(102, 83, 157);
/* oklch */ color: oklch(49.6% 0.116 293.6);

Tailwind

colors: {
  custom: {
    50: '#9483ba',
    500: '#66539d',
    950: '#000000',
  },
}

SCSS

$custom: #66539d;
$custom-light: #9483ba;
$custom-dark: #000000;

JSON

{
  "hex": "#66539d",
  "rgb": {
    "r": 102,
    "g": 83,
    "b": 157
  },
  "hsl": {
    "h": 255.405,
    "s": 30.833,
    "l": 47.059
  },
  "oklch": {
    "l": 0.49576,
    "c": 0.1158,
    "h": 293.6
  },
  "luminance": 0.11446
}

Semantic roles & 50–950 ramp

primary

#66539D

secondary

#AFB993

accent

#C761AD

background

#F9F8FB

surface

#F2EFF6

border

#CCCAD0

text

#0D0A12

muted

#7E7C81

Preview Lab

Preview with #66539D

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

Preview Lab → · Contrast checker → · Palette generator →