#661C5D#661C5D

#661C5D is a dark, vivid purple. Relative luminance 0.044; OKLCH L 37.2% C 0.132 H 333.2°. Best body text is #FFFFFF at 11.12:1 contrast (WCAG AA passes).

Color values

HEX	#661C5D
RGB	rgb(102, 28, 93)
HSL	hsl(307, 57%, 25%)
HSV	hsv(307, 73%, 40%)
CMYK	cmyk(0%, 72.5%, 8.8%, 60%)
CIE-LAB	lab(25.09, 40.80, -21.72)
CIE-LCH	lch(25.09, 46.22, 331.97°)
OKLab	oklab(37.16% 0.1177 -0.0595)
OKLCH	oklch(37.16% 0.132 333.2)
XYZ	xyz(7.8706, 4.4462, 10.7975)
Luminance	0.0445 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#661C5D #1C6625

analogous

#4A1C66 #661C5D #661C38

triadic

#661C5D #5D661C #1C5D66

tetradic

#661C5D #664A1C #1C6625 #1C3866

square

#661C5D #664A1C #1C6625 #1C3866

split-complementary

#661C5D #38661C #1C664A

monochromatic

#180716 #360F31 #661C5D #962989 #C636B5

Accessibility & contrast

On white

11.12

#661C5D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.89

#661C5D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #661C5D

11.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##661C5D	#FFFFFF	#000000	##FFFFFF
##661C5D	1.00	11.12	1.89	11.12
#FFFFFF	11.12	1.00	21.00	1.00
#000000	1.89	21.00	1.00	21.00
##FFFFFF	11.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1A355F

Deuteranopia (green-blind)

#343F5B

Tritanopia (blue-blind)

#6B233A

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #661c5d;
/* rgb */ color: rgb(102, 28, 93);
/* oklch */ color: oklch(37.2% 0.132 333.2);

Tailwind

colors: {
  custom: {
    50: '#945f8b',
    500: '#661c5d',
    950: '#000000',
  },
}

SCSS

$custom: #661c5d;
$custom-light: #945f8b;
$custom-dark: #000000;

JSON

{
  "hex": "#661c5d",
  "rgb": {
    "r": 102,
    "g": 28,
    "b": 93
  },
  "hsl": {
    "h": 307.297,
    "s": 56.923,
    "l": 25.49
  },
  "oklch": {
    "l": 0.37159,
    "c": 0.13191,
    "h": 333.2
  },
  "luminance": 0.04446
}

Semantic roles & 50–950 ramp

primary

#661C5D

secondary

#439B4D

accent

#E05A48

background

#F9F5F8

surface

#F2EAF0

border

#CCC6CB

text

#0D050C

muted

#7E797D

Preview Lab

Preview with #661C5D

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

Preview Lab → · Contrast checker → · Palette generator →