#661B89#661B89

#661B89 is a dark, vivid purple. Relative luminance 0.054; OKLCH L 40.1% C 0.173 H 312.0°. Best body text is #FFFFFF at 10.08:1 contrast (WCAG AA passes).

Color values

HEX	#661B89
RGB	rgb(102, 27, 137)
HSL	hsl(281, 67%, 32%)
HSV	hsv(281, 80%, 54%)
CMYK	cmyk(25.5%, 80.3%, 0%, 46.3%)
CIE-LAB	lab(27.89, 49.88, -45.42)
CIE-LCH	lch(27.89, 67.46, 317.68°)
OKLab	oklab(40.08% 0.1157 -0.1286)
OKLCH	oklch(40.08% 0.173 312)
XYZ	xyz(10.3859, 5.4151, 24.1602)
Luminance	0.0541 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Royal Purple (survey)

#4B006E

ΔE00 6.79

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#661B89 #3E891B

analogous

#2F1B89 #661B89 #891B75

triadic

#661B89 #89661B #1B8966

tetradic

#661B89 #892F1B #3E891B #1B7589

square

#661B89 #892F1B #3E891B #1B7589

split-complementary

#661B89 #75891B #1B892F

monochromatic

#1A0723 #401156 #661B89 #8C25BC #AA44DA

Accessibility & contrast

On white

10.08

#661B89 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.08

#661B89 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #661B89

10.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##661B89	#FFFFFF	#000000	##FFFFFF
##661B89	1.00	10.08	2.08	10.08
#FFFFFF	10.08	1.00	21.00	1.00
#000000	2.08	21.00	1.00	21.00
##FFFFFF	10.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003E8C

Deuteranopia (green-blind)

#044387

Tritanopia (blue-blind)

#623652

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #661b89;
/* rgb */ color: rgb(102, 27, 137);
/* oklch */ color: oklch(40.1% 0.173 312.0);

Tailwind

colors: {
  custom: {
    50: '#9661ac',
    500: '#661b89',
    950: '#000000',
  },
}

SCSS

$custom: #661b89;
$custom-light: #9661ac;
$custom-dark: #000000;

JSON

{
  "hex": "#661b89",
  "rgb": {
    "r": 102,
    "g": 27,
    "b": 137
  },
  "hsl": {
    "h": 280.909,
    "s": 67.073,
    "l": 32.157
  },
  "oklch": {
    "l": 0.40081,
    "c": 0.17302,
    "h": 312
  },
  "luminance": 0.05415
}

Semantic roles & 50–950 ramp

primary

#661B89

secondary

#6ABC44

accent

#EA3E75

background

#F9F6FA

surface

#F2EBF4

border

#CCC6CE

text

#0E0510

muted

#7E7A7F

Preview Lab

Preview with #661B89

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

Preview Lab → · Contrast checker → · Palette generator →