#66599F#66599F

#66599F is a mid, moderate violet. Relative luminance 0.125; OKLCH L 50.8% C 0.109 H 290.5°. Best body text is #FFFFFF at 6.01:1 contrast (WCAG AA passes).

Color values

HEX	#66599F
RGB	rgb(102, 89, 159)
HSL	hsl(251, 28%, 49%)
HSV	hsv(251, 44%, 62%)
CMYK	cmyk(35.8%, 44%, 0%, 37.6%)
CIE-LAB	lab(41.96, 22.22, -36.28)
CIE-LCH	lch(41.96, 42.55, 301.49°)
OKLab	oklab(50.85% 0.0382 -0.1021)
OKLCH	oklch(50.85% 0.109 290.5)
XYZ	xyz(15.3082, 12.4724, 34.3950)
Luminance	0.1247 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66599F #929F59

analogous

#596F9F #66599F #89599F

triadic

#66599F #9F6659 #599F66

tetradic

#66599F #9F596F #929F59 #599F89

square

#66599F #9F596F #929F59 #599F89

split-complementary

#66599F #9F8959 #6F9F59

monochromatic

#342D51 #4D4378 #66599F #897EB7 #ADA5CD

Accessibility & contrast

On white

6.01

#66599F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.49

#66599F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #66599F

6.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66599F	#FFFFFF	#000000	##FFFFFF
##66599F	1.00	6.01	3.49	6.01
#FFFFFF	6.01	1.00	21.00	1.00
#000000	3.49	21.00	1.00	21.00
##FFFFFF	6.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4264A2

Deuteranopia (green-blind)

#43629D

Tritanopia (blue-blind)

#586674

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #66599f;
/* rgb */ color: rgb(102, 89, 159);
/* oklch */ color: oklch(50.8% 0.109 290.5);

Tailwind

colors: {
  custom: {
    50: '#9488bc',
    500: '#66599f',
    950: '#000000',
  },
}

SCSS

$custom: #66599f;
$custom-light: #9488bc;
$custom-dark: #000000;

JSON

{
  "hex": "#66599f",
  "rgb": {
    "r": 102,
    "g": 89,
    "b": 159
  },
  "hsl": {
    "h": 251.143,
    "s": 28.226,
    "l": 48.627
  },
  "oklch": {
    "l": 0.50846,
    "c": 0.10897,
    "h": 290.5
  },
  "luminance": 0.12473
}

Semantic roles & 50–950 ramp

primary

#66599F

secondary

#B4BB99

accent

#C563B2

background

#F9F8FB

surface

#F2EFF6

border

#CCCAD0

text

#0D0B12

muted

#7E7C81

Preview Lab

Preview with #66599F

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

Preview Lab → · Contrast checker → · Palette generator →