#661C64#661C64

#661C64 is a dark, vivid purple. Relative luminance 0.046; OKLCH L 37.6% C 0.138 H 329.0°. Best body text is #FFFFFF at 10.97:1 contrast (WCAG AA passes).

Color values

HEX	#661C64
RGB	rgb(102, 28, 100)
HSL	hsl(302, 57%, 25%)
HSV	hsv(302, 73%, 40%)
CMYK	cmyk(0%, 72.5%, 2%, 60%)
CIE-LAB	lab(25.49, 42.05, -25.68)
CIE-LCH	lch(25.49, 49.27, 328.58°)
OKLab	oklab(37.57% 0.1182 -0.0709)
OKLCH	oklch(37.57% 0.138 329)
XYZ	xyz(8.1949, 4.5760, 12.5057)
Luminance	0.0457 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#661C64 #1C661E

analogous

#431C66 #661C64 #661C3F

triadic

#661C64 #64661C #1C6466

tetradic

#661C64 #66431C #1C661E #1C3F66

square

#661C64 #66431C #1C661E #1C3F66

split-complementary

#661C64 #3F661C #1C6643

monochromatic

#180718 #360F35 #661C64 #962993 #C636C2

Accessibility & contrast

On white

10.97

#661C64 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.92

#661C64 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #661C64

10.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##661C64	#FFFFFF	#000000	##FFFFFF
##661C64	1.00	10.97	1.92	10.97
#FFFFFF	10.97	1.00	21.00	1.00
#000000	1.92	21.00	1.00	21.00
##FFFFFF	10.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#133666

Deuteranopia (green-blind)

#304062

Tritanopia (blue-blind)

#6A263D

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #661c64;
/* rgb */ color: rgb(102, 28, 100);
/* oklch */ color: oklch(37.6% 0.138 329.0);

Tailwind

colors: {
  custom: {
    50: '#946090',
    500: '#661c64',
    950: '#000000',
  },
}

SCSS

$custom: #661c64;
$custom-light: #946090;
$custom-dark: #000000;

JSON

{
  "hex": "#661c64",
  "rgb": {
    "r": 102,
    "g": 28,
    "b": 100
  },
  "hsl": {
    "h": 301.622,
    "s": 56.923,
    "l": 25.49
  },
  "oklch": {
    "l": 0.37573,
    "c": 0.13786,
    "h": 329
  },
  "luminance": 0.04575
}

Semantic roles & 50–950 ramp

primary

#661C64

secondary

#439B45

accent

#E04C48

background

#F9F5F8

surface

#F2EAF0

border

#CCC6CB

text

#0D050C

muted

#7E797D

Preview Lab

Preview with #661C64

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

Preview Lab → · Contrast checker → · Palette generator →