#661C63#661C63

#661C63 is a dark, vivid purple. Relative luminance 0.046; OKLCH L 37.5% C 0.137 H 329.6°. Best body text is #FFFFFF at 10.99:1 contrast (WCAG AA passes).

Color values

HEX	#661C63
RGB	rgb(102, 28, 99)
HSL	hsl(302, 57%, 25%)
HSV	hsv(302, 73%, 40%)
CMYK	cmyk(0%, 72.5%, 2.9%, 60%)
CIE-LAB	lab(25.43, 41.87, -25.12)
CIE-LCH	lch(25.43, 48.83, 329.03°)
OKLab	oklab(37.51% 0.1182 -0.0693)
OKLCH	oklch(37.51% 0.137 329.6)
XYZ	xyz(8.1468, 4.5567, 12.2524)
Luminance	0.0456 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#661C63 #1C661F

analogous

#441C66 #661C63 #661C3E

triadic

#661C63 #63661C #1C6366

tetradic

#661C63 #66441C #1C661F #1C3E66

square

#661C63 #66441C #1C661F #1C3E66

split-complementary

#661C63 #3E661C #1C6644

monochromatic

#180717 #360F34 #661C63 #962992 #C636C0

Accessibility & contrast

On white

10.99

#661C63 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.91

#661C63 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #661C63

10.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##661C63	#FFFFFF	#000000	##FFFFFF
##661C63	1.00	10.99	1.91	10.99
#FFFFFF	10.99	1.00	21.00	1.00
#000000	1.91	21.00	1.00	21.00
##FFFFFF	10.99	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#143665

Deuteranopia (green-blind)

#314061

Tritanopia (blue-blind)

#6A253D

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #661c63;
/* rgb */ color: rgb(102, 28, 99);
/* oklch */ color: oklch(37.5% 0.137 329.6);

Tailwind

colors: {
  custom: {
    50: '#946090',
    500: '#661c63',
    950: '#000000',
  },
}

SCSS

$custom: #661c63;
$custom-light: #946090;
$custom-dark: #000000;

JSON

{
  "hex": "#661c63",
  "rgb": {
    "r": 102,
    "g": 28,
    "b": 99
  },
  "hsl": {
    "h": 302.432,
    "s": 56.923,
    "l": 25.49
  },
  "oklch": {
    "l": 0.37512,
    "c": 0.13699,
    "h": 329.6
  },
  "luminance": 0.04556
}

Semantic roles & 50–950 ramp

primary

#661C63

secondary

#439B46

accent

#E04E48

background

#F9F5F8

surface

#F2EAF0

border

#CCC6CB

text

#0D050C

muted

#7E797D

Preview Lab

Preview with #661C63

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

Preview Lab → · Contrast checker → · Palette generator →