#661C6C#661C6C

#661C6C is a dark, vivid purple. Relative luminance 0.047; OKLCH L 38.1% C 0.145 H 324.7°. Best body text is #FFFFFF at 10.78:1 contrast (WCAG AA passes).

Color values

HEX	#661C6C
RGB	rgb(102, 28, 108)
HSL	hsl(296, 59%, 27%)
HSV	hsv(296, 74%, 42%)
CMYK	cmyk(5.6%, 74.1%, 0%, 57.6%)
CIE-LAB	lab(25.98, 43.55, -30.10)
CIE-LCH	lch(25.98, 52.94, 325.35°)
OKLab	oklab(38.08% 0.1183 -0.0838)
OKLCH	oklch(38.08% 0.145 324.7)
XYZ	xyz(8.6013, 4.7385, 14.6460)
Luminance	0.0474 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#661C6C #226C1C

analogous

#3E1C6C #661C6C #6C1C4A

triadic

#661C6C #6C661C #1C6C66

tetradic

#661C6C #6C3E1C #226C1C #1C4A6C

square

#661C6C #6C3E1C #226C1C #1C4A6C

split-complementary

#661C6C #4A6C1C #1C6C3E

monochromatic

#170618 #380F3B #661C6C #94299D #C037CB

Accessibility & contrast

On white

10.78

#661C6C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.95

#661C6C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #661C6C

10.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##661C6C	#FFFFFF	#000000	##FFFFFF
##661C6C	1.00	10.78	1.95	10.78
#FFFFFF	10.78	1.00	21.00	1.00
#000000	1.95	21.00	1.00	21.00
##FFFFFF	10.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#06386E

Deuteranopia (green-blind)

#2B416A

Tritanopia (blue-blind)

#682942

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #661c6c;
/* rgb */ color: rgb(102, 28, 108);
/* oklch */ color: oklch(38.1% 0.145 324.7);

Tailwind

colors: {
  custom: {
    50: '#956096',
    500: '#661c6c',
    950: '#000000',
  },
}

SCSS

$custom: #661c6c;
$custom-light: #956096;
$custom-dark: #000000;

JSON

{
  "hex": "#661c6c",
  "rgb": {
    "r": 102,
    "g": 28,
    "b": 108
  },
  "hsl": {
    "h": 295.5,
    "s": 58.824,
    "l": 26.667
  },
  "oklch": {
    "l": 0.38078,
    "c": 0.14494,
    "h": 324.7
  },
  "luminance": 0.04738
}

Semantic roles & 50–950 ramp

primary

#661C6C

secondary

#4AA143

accent

#E24651

background

#F9F5F9

surface

#F2EAF2

border

#CCC6CC

text

#0E050D

muted

#7E797E

Preview Lab

Preview with #661C6C

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

Preview Lab → · Contrast checker → · Palette generator →