#661D87#661D87

#661D87 is a dark, vivid purple. Relative luminance 0.055; OKLCH L 40.1% C 0.169 H 312.6°. Best body text is #FFFFFF at 10.04:1 contrast (WCAG AA passes).

Color values

HEX	#661D87
RGB	rgb(102, 29, 135)
HSL	hsl(281, 65%, 32%)
HSV	hsv(281, 79%, 53%)
CMYK	cmyk(24.4%, 78.5%, 0%, 47.1%)
CIE-LAB	lab(27.99, 48.71, -44.00)
CIE-LCH	lch(27.99, 65.64, 317.90°)
OKLab	oklab(40.11% 0.1143 -0.1245)
OKLCH	oklch(40.11% 0.169 312.6)
XYZ	xyz(10.2912, 5.4531, 23.4274)
Luminance	0.0545 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Royal Purple (survey)

#4B006E

ΔE00 6.84

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#661D87 #3E871D

analogous

#311D87 #661D87 #871D73

triadic

#661D87 #87661D #1D8766

tetradic

#661D87 #87311D #3E871D #1D7387

square

#661D87 #87311D #3E871D #1D7387

split-complementary

#661D87 #73871D #1D8731

monochromatic

#1A0722 #401255 #661D87 #8C28B9 #AA47D7

Accessibility & contrast

On white

10.04

#661D87 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.09

#661D87 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #661D87

10.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##661D87	#FFFFFF	#000000	##FFFFFF
##661D87	1.00	10.04	2.09	10.04
#FFFFFF	10.04	1.00	21.00	1.00
#000000	2.09	21.00	1.00	21.00
##FFFFFF	10.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003E8A

Deuteranopia (green-blind)

#0D4485

Tritanopia (blue-blind)

#623651

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #661d87;
/* rgb */ color: rgb(102, 29, 135);
/* oklch */ color: oklch(40.1% 0.169 312.6);

Tailwind

colors: {
  custom: {
    50: '#9662ab',
    500: '#661d87',
    950: '#000000',
  },
}

SCSS

$custom: #661d87;
$custom-light: #9662ab;
$custom-dark: #000000;

JSON

{
  "hex": "#661d87",
  "rgb": {
    "r": 102,
    "g": 29,
    "b": 135
  },
  "hsl": {
    "h": 281.321,
    "s": 64.634,
    "l": 32.157
  },
  "oklch": {
    "l": 0.40105,
    "c": 0.16902,
    "h": 312.6
  },
  "luminance": 0.05453
}

Semantic roles & 50–950 ramp

primary

#661D87

secondary

#6AB946

accent

#E84074

background

#F9F6FA

surface

#F2EBF4

border

#CCC6CE

text

#0E0510

muted

#7E7A7F

Preview Lab

Preview with #661D87

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

Preview Lab → · Contrast checker → · Palette generator →