#661B7D#661B7D

#661B7D is a dark, vivid purple. Relative luminance 0.051; OKLCH L 39.2% C 0.162 H 316.8°. Best body text is #FFFFFF at 10.41:1 contrast (WCAG AA passes).

Color values

HEX	#661B7D
RGB	rgb(102, 27, 125)
HSL	hsl(286, 64%, 30%)
HSV	hsv(286, 78%, 49%)
CMYK	cmyk(18.4%, 78.4%, 0%, 51%)
CIE-LAB	lab(26.99, 47.33, -39.34)
CIE-LCH	lch(26.99, 61.54, 320.27°)
OKLab	oklab(39.17% 0.1179 -0.1108)
OKLCH	oklch(39.17% 0.162 316.8)
XYZ	xyz(9.5725, 5.0897, 19.8762)
Luminance	0.0509 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#661B7D #327D1B

analogous

#351B7D #661B7D #7D1B63

triadic

#661B7D #7D661B #1B7D66

tetradic

#661B7D #7D351B #327D1B #1B637D

square

#661B7D #7D351B #327D1B #1B637D

split-complementary

#661B7D #637D1B #1B7D35

monochromatic

#150519 #3D104B #661B7D #8F26AF #B13DD5

Accessibility & contrast

On white

10.41

#661B7D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.02

#661B7D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #661B7D

10.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##661B7D	#FFFFFF	#000000	##FFFFFF
##661B7D	1.00	10.41	2.02	10.41
#FFFFFF	10.41	1.00	21.00	1.00
#000000	2.02	21.00	1.00	21.00
##FFFFFF	10.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003B80

Deuteranopia (green-blind)

#1C427B

Tritanopia (blue-blind)

#65304B

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #661b7d;
/* rgb */ color: rgb(102, 27, 125);
/* oklch */ color: oklch(39.2% 0.162 316.8);

Tailwind

colors: {
  custom: {
    50: '#9560a3',
    500: '#661b7d',
    950: '#000000',
  },
}

SCSS

$custom: #661b7d;
$custom-light: #9560a3;
$custom-dark: #000000;

JSON

{
  "hex": "#661b7d",
  "rgb": {
    "r": 102,
    "g": 27,
    "b": 125
  },
  "hsl": {
    "h": 285.918,
    "s": 64.474,
    "l": 29.804
  },
  "oklch": {
    "l": 0.39166,
    "c": 0.16176,
    "h": 316.8
  },
  "luminance": 0.05089
}

Semantic roles & 50–950 ramp

primary

#661B7D

secondary

#5DB143

accent

#E74068

background

#F9F6FA

surface

#F2EBF4

border

#CCC6CE

text

#0E050F

muted

#7E7A7F

Preview Lab

Preview with #661B7D

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

Preview Lab → · Contrast checker → · Palette generator →