#661B7B#661B7B

#661B7B is a dark, vivid purple. Relative luminance 0.050; OKLCH L 39.0% C 0.160 H 317.6°. Best body text is #FFFFFF at 10.46:1 contrast (WCAG AA passes).

Color values

HEX	#661B7B
RGB	rgb(102, 27, 123)
HSL	hsl(287, 64%, 29%)
HSV	hsv(287, 78%, 48%)
CMYK	cmyk(17.1%, 78%, 0%, 51.8%)
CIE-LAB	lab(26.85, 46.92, -38.30)
CIE-LCH	lch(26.85, 60.57, 320.78°)
OKLab	oklab(39.02% 0.1182 -0.1077)
OKLCH	oklch(39.02% 0.16 317.6)
XYZ	xyz(9.4461, 5.0391, 19.2101)
Luminance	0.0504 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#661B7B #307B1B

analogous

#361B7B #661B7B #7B1B60

triadic

#661B7B #7B661B #1B7B66

tetradic

#661B7B #7B361B #307B1B #1B607B

square

#661B7B #7B361B #307B1B #1B607B

split-complementary

#661B7B #607B1B #1B7B36

monochromatic

#150619 #3C1049 #661B7B #9026AD #B33CD4

Accessibility & contrast

On white

10.46

#661B7B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.01

#661B7B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #661B7B

10.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##661B7B	#FFFFFF	#000000	##FFFFFF
##661B7B	1.00	10.46	2.01	10.46
#FFFFFF	10.46	1.00	21.00	1.00
#000000	2.01	21.00	1.00	21.00
##FFFFFF	10.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003B7E

Deuteranopia (green-blind)

#1E4279

Tritanopia (blue-blind)

#65304A

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #661b7b;
/* rgb */ color: rgb(102, 27, 123);
/* oklch */ color: oklch(39.0% 0.160 317.6);

Tailwind

colors: {
  custom: {
    50: '#9560a2',
    500: '#661b7b',
    950: '#000000',
  },
}

SCSS

$custom: #661b7b;
$custom-light: #9560a2;
$custom-dark: #000000;

JSON

{
  "hex": "#661b7b",
  "rgb": {
    "r": 102,
    "g": 27,
    "b": 123
  },
  "hsl": {
    "h": 286.875,
    "s": 64,
    "l": 29.412
  },
  "oklch": {
    "l": 0.39019,
    "c": 0.15989,
    "h": 317.6
  },
  "luminance": 0.05039
}

Semantic roles & 50–950 ramp

primary

#661B7B

secondary

#5AAF43

accent

#E74165

background

#F9F5FA

surface

#F2EAF3

border

#CCC6CD

text

#0E050F

muted

#7E797F

Preview Lab

Preview with #661B7B

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

Preview Lab → · Contrast checker → · Palette generator →