#661CA9#661CA9

#661CA9 is a dark, highly saturated violet. Relative luminance 0.065; OKLCH L 42.9% C 0.203 H 301.5°. Best body text is #FFFFFF at 9.11:1 contrast (WCAG AA passes).

Color values

HEX	#661CA9
RGB	rgb(102, 28, 169)
HSL	hsl(271, 72%, 39%)
HSV	hsv(271, 83%, 66%)
CMYK	cmyk(39.6%, 83.4%, 0%, 33.7%)
CIE-LAB	lab(30.69, 56.73, -60.44)
CIE-LCH	lch(30.69, 82.89, 313.19°)
OKLab	oklab(42.86% 0.1061 -0.1728)
OKLCH	oklch(42.86% 0.203 301.5)
XYZ	xyz(13.0544, 6.5198, 38.0991)
Luminance	0.0652 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#661CA9 #5FA91C

analogous

#1F1CA9 #661CA9 #A91CA5

triadic

#661CA9 #A9661C #1CA966

tetradic

#661CA9 #A91F1C #5FA91C #1CA5A9

square

#661CA9 #A91F1C #5FA91C #1CA5A9

split-complementary

#661CA9 #A5A91C #1CA91F

monochromatic

#270B40 #461374 #661CA9 #8627DB #A35BE4

Accessibility & contrast

On white

9.11

#661CA9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.30

#661CA9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #661CA9

9.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##661CA9	#FFFFFF	#000000	##FFFFFF
##661CA9	1.00	9.11	2.30	9.11
#FFFFFF	9.11	1.00	21.00	1.00
#000000	2.30	21.00	1.00	21.00
##FFFFFF	9.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0047AD

Deuteranopia (green-blind)

#0047A6

Tritanopia (blue-blind)

#574565

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #661ca9;
/* rgb */ color: rgb(102, 28, 169);
/* oklch */ color: oklch(42.9% 0.203 301.5);

Tailwind

colors: {
  custom: {
    50: '#9963c4',
    500: '#661ca9',
    950: '#000000',
  },
}

SCSS

$custom: #661ca9;
$custom-light: #9963c4;
$custom-dark: #000000;

JSON

{
  "hex": "#661ca9",
  "rgb": {
    "r": 102,
    "g": 28,
    "b": 169
  },
  "hsl": {
    "h": 271.489,
    "s": 71.574,
    "l": 38.627
  },
  "oklch": {
    "l": 0.42865,
    "c": 0.20272,
    "h": 301.5
  },
  "luminance": 0.0652
}

Semantic roles & 50–950 ramp

primary

#661CA9

secondary

#8EC859

accent

#EE398F

background

#F9F6FC

surface

#F2EBF8

border

#CCC6D1

text

#0F0613

muted

#7E7A82

Preview Lab

Preview with #661CA9

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

Preview Lab → · Contrast checker → · Palette generator →