#661B87#661B87

#661B87 is a dark, vivid purple. Relative luminance 0.054; OKLCH L 39.9% C 0.171 H 312.7°. Best body text is #FFFFFF at 10.14:1 contrast (WCAG AA passes).

Color values

HEX	#661B87
RGB	rgb(102, 27, 135)
HSL	hsl(282, 67%, 32%)
HSV	hsv(282, 80%, 53%)
CMYK	cmyk(24.4%, 80%, 0%, 47.1%)
CIE-LAB	lab(27.73, 49.45, -44.42)
CIE-LCH	lch(27.73, 66.47, 318.07°)
OKLab	oklab(39.92% 0.1161 -0.1257)
OKLCH	oklch(39.92% 0.171 312.7)
XYZ	xyz(10.2438, 5.3582, 23.4116)
Luminance	0.0536 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Royal Purple (survey)

#4B006E

ΔE00 6.67

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#661B87 #3C871B

analogous

#301B87 #661B87 #871B72

triadic

#661B87 #87661B #1B8766

tetradic

#661B87 #87301B #3C871B #1B7287

square

#661B87 #87301B #3C871B #1B7287

split-complementary

#661B87 #72871B #1B8730

monochromatic

#190721 #3F1154 #661B87 #8D25BA #AB43D9

Accessibility & contrast

On white

10.14

#661B87 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.07

#661B87 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #661B87

10.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##661B87	#FFFFFF	#000000	##FFFFFF
##661B87	1.00	10.14	2.07	10.14
#FFFFFF	10.14	1.00	21.00	1.00
#000000	2.07	21.00	1.00	21.00
##FFFFFF	10.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003E8A

Deuteranopia (green-blind)

#0A4385

Tritanopia (blue-blind)

#623551

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #661b87;
/* rgb */ color: rgb(102, 27, 135);
/* oklch */ color: oklch(39.9% 0.171 312.7);

Tailwind

colors: {
  custom: {
    50: '#9661ab',
    500: '#661b87',
    950: '#000000',
  },
}

SCSS

$custom: #661b87;
$custom-light: #9661ab;
$custom-dark: #000000;

JSON

{
  "hex": "#661b87",
  "rgb": {
    "r": 102,
    "g": 27,
    "b": 135
  },
  "hsl": {
    "h": 281.667,
    "s": 66.667,
    "l": 31.765
  },
  "oklch": {
    "l": 0.39925,
    "c": 0.17113,
    "h": 312.7
  },
  "luminance": 0.05358
}

Semantic roles & 50–950 ramp

primary

#661B87

secondary

#68BA44

accent

#EA3E73

background

#F9F6FA

surface

#F2EBF4

border

#CCC6CE

text

#0E0510

muted

#7E7A7F

Preview Lab

Preview with #661B87

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

Preview Lab → · Contrast checker → · Palette generator →