#661F99#661F99

#661F99 is a dark, vivid violet. Relative luminance 0.061; OKLCH L 41.7% C 0.184 H 306.0°. Best body text is #FFFFFF at 9.46:1 contrast (WCAG AA passes).

Color values

HEX	#661F99
RGB	rgb(102, 31, 153)
HSL	hsl(275, 66%, 36%)
HSV	hsv(275, 80%, 60%)
CMYK	cmyk(33.3%, 79.7%, 0%, 40%)
CIE-LAB	lab(29.68, 51.98, -52.38)
CIE-LCH	lch(29.68, 73.79, 314.78°)
OKLab	oklab(41.74% 0.1085 -0.1491)
OKLCH	oklch(41.74% 0.184 306)
XYZ	xyz(11.7180, 6.1048, 30.6918)
Luminance	0.0611 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#661F99 #52991F

analogous

#291F99 #661F99 #991F8F

triadic

#661F99 #99661F #1F9966

tetradic

#661F99 #99291F #52991F #1F8F99

square

#661F99 #99291F #52991F #1F8F99

split-complementary

#661F99 #8F991F #1F9929

monochromatic

#220A33 #441566 #661F99 #8829CC #A456DD

Accessibility & contrast

On white

9.46

#661F99 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.22

#661F99 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #661F99

9.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##661F99	#FFFFFF	#000000	##FFFFFF
##661F99	1.00	9.46	2.22	9.46
#FFFFFF	9.46	1.00	21.00	1.00
#000000	2.22	21.00	1.00	21.00
##FFFFFF	9.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00449C

Deuteranopia (green-blind)

#004697

Tritanopia (blue-blind)

#5D3F5C

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #661f99;
/* rgb */ color: rgb(102, 31, 153);
/* oklch */ color: oklch(41.7% 0.184 306.0);

Tailwind

colors: {
  custom: {
    50: '#9764b8',
    500: '#661f99',
    950: '#000000',
  },
}

SCSS

$custom: #661f99;
$custom-light: #9764b8;
$custom-dark: #000000;

JSON

{
  "hex": "#661f99",
  "rgb": {
    "r": 102,
    "g": 31,
    "b": 153
  },
  "hsl": {
    "h": 274.918,
    "s": 66.304,
    "l": 36.078
  },
  "oklch": {
    "l": 0.41736,
    "c": 0.18444,
    "h": 306
  },
  "luminance": 0.06105
}

Semantic roles & 50–950 ramp

primary

#661F99

secondary

#81C054

accent

#E93F86

background

#F9F6FB

surface

#F2EBF6

border

#CCC6D0

text

#0E0611

muted

#7E7A80

Preview Lab

Preview with #661F99

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

Preview Lab → · Contrast checker → · Palette generator →