#661DA8#661DA8

#661DA8 is a dark, highly saturated violet. Relative luminance 0.065; OKLCH L 42.9% C 0.201 H 301.7°. Best body text is #FFFFFF at 9.11:1 contrast (WCAG AA passes).

Color values

HEX	#661DA8
RGB	rgb(102, 29, 168)
HSL	hsl(272, 71%, 39%)
HSV	hsv(272, 83%, 66%)
CMYK	cmyk(39.3%, 82.7%, 0%, 34.1%)
CIE-LAB	lab(30.71, 56.16, -59.79)
CIE-LCH	lch(30.71, 82.03, 313.21°)
OKLab	oklab(42.86% 0.1057 -0.1709)
OKLCH	oklch(42.86% 0.201 301.7)
XYZ	xyz(12.9850, 6.5306, 37.6146)
Luminance	0.0653 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#661DA8 #5FA81D

analogous

#211DA8 #661DA8 #A81DA4

triadic

#661DA8 #A8661D #1DA866

tetradic

#661DA8 #A8211D #5FA81D #1DA4A8

square

#661DA8 #A8211D #5FA81D #1DA4A8

split-complementary

#661DA8 #A4A81D #1DA821

monochromatic

#270B40 #461474 #661DA8 #8628DA #A35CE3

Accessibility & contrast

On white

9.11

#661DA8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.31

#661DA8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #661DA8

9.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##661DA8	#FFFFFF	#000000	##FFFFFF
##661DA8	1.00	9.11	2.31	9.11
#FFFFFF	9.11	1.00	21.00	1.00
#000000	2.31	21.00	1.00	21.00
##FFFFFF	9.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0047AC

Deuteranopia (green-blind)

#0048A5

Tritanopia (blue-blind)

#574564

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #661da8;
/* rgb */ color: rgb(102, 29, 168);
/* oklch */ color: oklch(42.9% 0.201 301.7);

Tailwind

colors: {
  custom: {
    50: '#9864c3',
    500: '#661da8',
    950: '#000000',
  },
}

SCSS

$custom: #661da8;
$custom-light: #9864c3;
$custom-dark: #000000;

JSON

{
  "hex": "#661da8",
  "rgb": {
    "r": 102,
    "g": 29,
    "b": 168
  },
  "hsl": {
    "h": 271.511,
    "s": 70.558,
    "l": 38.627
  },
  "oklch": {
    "l": 0.42856,
    "c": 0.20093,
    "h": 301.7
  },
  "luminance": 0.06531
}

Semantic roles & 50–950 ramp

primary

#661DA8

secondary

#8EC75A

accent

#ED3A8F

background

#F9F6FC

surface

#F2EBF8

border

#CCC6D1

text

#0F0613

muted

#7E7A82

Preview Lab

Preview with #661DA8

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

Preview Lab → · Contrast checker → · Palette generator →