#661A78#661A78

#661A78 is a dark, vivid purple. Relative luminance 0.049; OKLCH L 38.7% C 0.158 H 319.0°. Best body text is #FFFFFF at 10.58:1 contrast (WCAG AA passes).

Color values

HEX	#661A78
RGB	rgb(102, 26, 120)
HSL	hsl(289, 64%, 29%)
HSV	hsv(289, 78%, 47%)
CMYK	cmyk(15%, 78.3%, 0%, 52.9%)
CIE-LAB	lab(26.51, 46.68, -36.94)
CIE-LCH	lch(26.51, 59.53, 321.64°)
OKLab	oklab(38.71% 0.1195 -0.1037)
OKLCH	oklch(38.71% 0.158 319)
XYZ	xyz(9.2386, 4.9201, 18.2287)
Luminance	0.0492 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#661A78 #2C781A

analogous

#371A78 #661A78 #781A5B

triadic

#661A78 #78661A #1A7866

tetradic

#661A78 #78371A #2C781A #1A5B78

square

#661A78 #78371A #2C781A #1A5B78

split-complementary

#661A78 #5B781A #1A7837

monochromatic

#150519 #3B0F46 #661A78 #9125AA #B638D4

Accessibility & contrast

On white

10.58

#661A78 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.98

#661A78 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #661A78

10.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##661A78	#FFFFFF	#000000	##FFFFFF
##661A78	1.00	10.58	1.98	10.58
#FFFFFF	10.58	1.00	21.00	1.00
#000000	1.98	21.00	1.00	21.00
##FFFFFF	10.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A7B

Deuteranopia (green-blind)

#214176

Tritanopia (blue-blind)

#662E48

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #661a78;
/* rgb */ color: rgb(102, 26, 120);
/* oklch */ color: oklch(38.7% 0.158 319.0);

Tailwind

colors: {
  custom: {
    50: '#95609f',
    500: '#661a78',
    950: '#000000',
  },
}

SCSS

$custom: #661a78;
$custom-light: #95609f;
$custom-dark: #000000;

JSON

{
  "hex": "#661a78",
  "rgb": {
    "r": 102,
    "g": 26,
    "b": 120
  },
  "hsl": {
    "h": 288.511,
    "s": 64.384,
    "l": 28.627
  },
  "oklch": {
    "l": 0.38711,
    "c": 0.15825,
    "h": 319
  },
  "luminance": 0.0492
}

Semantic roles & 50–950 ramp

primary

#661A78

secondary

#56AC41

accent

#E74060

background

#F9F5F9

surface

#F2EAF2

border

#CCC6CC

text

#0E050F

muted

#7E797E

Preview Lab

Preview with #661A78

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

Preview Lab → · Contrast checker → · Palette generator →