#661B7C#661B7C

#661B7C is a dark, vivid purple. Relative luminance 0.051; OKLCH L 39.1% C 0.161 H 317.2°. Best body text is #FFFFFF at 10.43:1 contrast (WCAG AA passes).

Color values

HEX	#661B7C
RGB	rgb(102, 27, 124)
HSL	hsl(286, 64%, 30%)
HSV	hsv(286, 78%, 49%)
CMYK	cmyk(17.7%, 78.2%, 0%, 51.4%)
CIE-LAB	lab(26.92, 47.13, -38.82)
CIE-LCH	lch(26.92, 61.06, 320.52°)
OKLab	oklab(39.09% 0.118 -0.1092)
OKLCH	oklch(39.09% 0.161 317.2)
XYZ	xyz(9.5090, 5.0643, 19.5415)
Luminance	0.0506 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#661B7C #317C1B

analogous

#361B7C #661B7C #7C1B61

triadic

#661B7C #7C661B #1B7C66

tetradic

#661B7C #7C361B #317C1B #1B617C

square

#661B7C #7C361B #317C1B #1B617C

split-complementary

#661B7C #617C1B #1B7C36

monochromatic

#150519 #3D104A #661B7C #8F26AE #B23DD5

Accessibility & contrast

On white

10.43

#661B7C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.01

#661B7C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #661B7C

10.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##661B7C	#FFFFFF	#000000	##FFFFFF
##661B7C	1.00	10.43	2.01	10.43
#FFFFFF	10.43	1.00	21.00	1.00
#000000	2.01	21.00	1.00	21.00
##FFFFFF	10.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003B7F

Deuteranopia (green-blind)

#1D427A

Tritanopia (blue-blind)

#65304B

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #661b7c;
/* rgb */ color: rgb(102, 27, 124);
/* oklch */ color: oklch(39.1% 0.161 317.2);

Tailwind

colors: {
  custom: {
    50: '#9560a2',
    500: '#661b7c',
    950: '#000000',
  },
}

SCSS

$custom: #661b7c;
$custom-light: #9560a2;
$custom-dark: #000000;

JSON

{
  "hex": "#661b7c",
  "rgb": {
    "r": 102,
    "g": 27,
    "b": 124
  },
  "hsl": {
    "h": 286.392,
    "s": 64.238,
    "l": 29.608
  },
  "oklch": {
    "l": 0.39092,
    "c": 0.16082,
    "h": 317.2
  },
  "luminance": 0.05064
}

Semantic roles & 50–950 ramp

primary

#661B7C

secondary

#5CB043

accent

#E74166

background

#F9F6FA

surface

#F2EBF4

border

#CCC6CE

text

#0E050F

muted

#7E7A7F

Preview Lab

Preview with #661B7C

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

Preview Lab → · Contrast checker → · Palette generator →