#66599B#66599B

#66599B is a mid, moderate violet. Relative luminance 0.123; OKLCH L 50.6% C 0.103 H 291.3°. Best body text is #FFFFFF at 6.06:1 contrast (WCAG AA passes).

Color values

HEX	#66599B
RGB	rgb(102, 89, 155)
HSL	hsl(252, 27%, 48%)
HSV	hsv(252, 43%, 61%)
CMYK	cmyk(34.2%, 42.6%, 0%, 39.2%)
CIE-LAB	lab(41.74, 21.10, -34.23)
CIE-LCH	lch(41.74, 40.21, 301.65°)
OKLab	oklab(50.62% 0.0375 -0.0961)
OKLCH	oklch(50.62% 0.103 291.3)
XYZ	xyz(14.9667, 12.3358, 32.5965)
Luminance	0.1234 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66599B #8E9B59

analogous

#596D9B #66599B #87599B

triadic

#66599B #9B6659 #599B66

tetradic

#66599B #9B596D #8E9B59 #599B87

square

#66599B #9B596D #8E9B59 #599B87

split-complementary

#66599B #9B8759 #6D9B59

monochromatic

#332C4D #4C4374 #66599B #887DB4 #ABA4CB

Accessibility & contrast

On white

6.06

#66599B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.47

#66599B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #66599B

6.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66599B	#FFFFFF	#000000	##FFFFFF
##66599B	1.00	6.06	3.47	6.06
#FFFFFF	6.06	1.00	21.00	1.00
#000000	3.47	21.00	1.00	21.00
##FFFFFF	6.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#44649D

Deuteranopia (green-blind)

#456199

Tritanopia (blue-blind)

#596572

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #66599b;
/* rgb */ color: rgb(102, 89, 155);
/* oklch */ color: oklch(50.6% 0.103 291.3);

Tailwind

colors: {
  custom: {
    50: '#9488b9',
    500: '#66599b',
    950: '#000000',
  },
}

SCSS

$custom: #66599b;
$custom-light: #9488b9;
$custom-dark: #000000;

JSON

{
  "hex": "#66599b",
  "rgb": {
    "r": 102,
    "g": 89,
    "b": 155
  },
  "hsl": {
    "h": 251.818,
    "s": 27.049,
    "l": 47.843
  },
  "oklch": {
    "l": 0.50616,
    "c": 0.10314,
    "h": 291.3
  },
  "luminance": 0.12336
}

Semantic roles & 50–950 ramp

primary

#66599B

secondary

#B2B897

accent

#C364B1

background

#F9F8FB

surface

#F2EFF6

border

#CCCAD0

text

#0D0B11

muted

#7E7C80

Preview Lab

Preview with #66599B

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

Preview Lab → · Contrast checker → · Palette generator →