#661C5E#661C5E

#661C5E is a dark, vivid purple. Relative luminance 0.045; OKLCH L 37.2% C 0.133 H 332.6°. Best body text is #FFFFFF at 11.10:1 contrast (WCAG AA passes).

Color values

HEX	#661C5E
RGB	rgb(102, 28, 94)
HSL	hsl(306, 57%, 25%)
HSV	hsv(306, 73%, 40%)
CMYK	cmyk(0%, 72.5%, 7.8%, 60%)
CIE-LAB	lab(25.15, 40.97, -22.29)
CIE-LCH	lch(25.15, 46.65, 331.45°)
OKLab	oklab(37.22% 0.1178 -0.0611)
OKLCH	oklch(37.22% 0.133 332.6)
XYZ	xyz(7.9151, 4.4641, 11.0323)
Luminance	0.0446 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#661C5E #1C6624

analogous

#491C66 #661C5E #661C39

triadic

#661C5E #5E661C #1C5E66

tetradic

#661C5E #66491C #1C6624 #1C3966

square

#661C5E #66491C #1C6624 #1C3966

split-complementary

#661C5E #39661C #1C6649

monochromatic

#180716 #360F32 #661C5E #96298A #C636B7

Accessibility & contrast

On white

11.10

#661C5E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.89

#661C5E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #661C5E

11.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##661C5E	#FFFFFF	#000000	##FFFFFF
##661C5E	1.00	11.10	1.89	11.10
#FFFFFF	11.10	1.00	21.00	1.00
#000000	1.89	21.00	1.00	21.00
##FFFFFF	11.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#193560

Deuteranopia (green-blind)

#333F5C

Tritanopia (blue-blind)

#6B233A

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #661c5e;
/* rgb */ color: rgb(102, 28, 94);
/* oklch */ color: oklch(37.2% 0.133 332.6);

Tailwind

colors: {
  custom: {
    50: '#945f8c',
    500: '#661c5e',
    950: '#000000',
  },
}

SCSS

$custom: #661c5e;
$custom-light: #945f8c;
$custom-dark: #000000;

JSON

{
  "hex": "#661c5e",
  "rgb": {
    "r": 102,
    "g": 28,
    "b": 94
  },
  "hsl": {
    "h": 306.486,
    "s": 56.923,
    "l": 25.49
  },
  "oklch": {
    "l": 0.37216,
    "c": 0.13274,
    "h": 332.6
  },
  "luminance": 0.04463
}

Semantic roles & 50–950 ramp

primary

#661C5E

secondary

#439B4C

accent

#E05848

background

#F9F5F8

surface

#F2EAF0

border

#CCC6CB

text

#0D050C

muted

#7E797D

Preview Lab

Preview with #661C5E

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

Preview Lab → · Contrast checker → · Palette generator →