#66599E#66599E

#66599E is a mid, moderate violet. Relative luminance 0.124; OKLCH L 50.8% C 0.108 H 290.7°. Best body text is #FFFFFF at 6.02:1 contrast (WCAG AA passes).

Color values

HEX	#66599E
RGB	rgb(102, 89, 158)
HSL	hsl(251, 28%, 48%)
HSV	hsv(251, 44%, 62%)
CMYK	cmyk(35.4%, 43.7%, 0%, 38%)
CIE-LAB	lab(41.90, 21.94, -35.77)
CIE-LCH	lch(41.90, 41.97, 301.52°)
OKLab	oklab(50.79% 0.038 -0.1006)
OKLCH	oklch(50.79% 0.108 290.7)
XYZ	xyz(15.2218, 12.4378, 33.9399)
Luminance	0.1244 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66599E #919E59

analogous

#596E9E #66599E #88599E

triadic

#66599E #9E6659 #599E66

tetradic

#66599E #9E596E #919E59 #599E88

square

#66599E #9E596E #919E59 #599E88

split-complementary

#66599E #9E8859 #6E9E59

monochromatic

#332D50 #4D4377 #66599E #897EB6 #ACA5CC

Accessibility & contrast

On white

6.02

#66599E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.49

#66599E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #66599E

6.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66599E	#FFFFFF	#000000	##FFFFFF
##66599E	1.00	6.02	3.49	6.02
#FFFFFF	6.02	1.00	21.00	1.00
#000000	3.49	21.00	1.00	21.00
##FFFFFF	6.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4364A1

Deuteranopia (green-blind)

#43619C

Tritanopia (blue-blind)

#586674

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #66599e;
/* rgb */ color: rgb(102, 89, 158);
/* oklch */ color: oklch(50.8% 0.108 290.7);

Tailwind

colors: {
  custom: {
    50: '#9488bb',
    500: '#66599e',
    950: '#000000',
  },
}

SCSS

$custom: #66599e;
$custom-light: #9488bb;
$custom-dark: #000000;

JSON

{
  "hex": "#66599e",
  "rgb": {
    "r": 102,
    "g": 89,
    "b": 158
  },
  "hsl": {
    "h": 251.304,
    "s": 27.935,
    "l": 48.431
  },
  "oklch": {
    "l": 0.50788,
    "c": 0.10752,
    "h": 290.7
  },
  "luminance": 0.12438
}

Semantic roles & 50–950 ramp

primary

#66599E

secondary

#B4BA99

accent

#C464B2

background

#F9F8FB

surface

#F2EFF6

border

#CCCAD0

text

#0D0B12

muted

#7E7C81

Preview Lab

Preview with #66599E

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

Preview Lab → · Contrast checker → · Palette generator →