#661C6B#661C6B

#661C6B is a dark, vivid purple. Relative luminance 0.047; OKLCH L 38.0% C 0.144 H 325.2°. Best body text is #FFFFFF at 10.81:1 contrast (WCAG AA passes).

Color values

HEX	#661C6B
RGB	rgb(102, 28, 107)
HSL	hsl(296, 59%, 26%)
HSV	hsv(296, 74%, 42%)
CMYK	cmyk(4.7%, 73.8%, 0%, 58%)
CIE-LAB	lab(25.91, 43.36, -29.56)
CIE-LCH	lch(25.91, 52.47, 325.72°)
OKLab	oklab(38.01% 0.1183 -0.0822)
OKLCH	oklch(38.01% 0.144 325.2)
XYZ	xyz(8.5484, 4.7174, 14.3674)
Luminance	0.0472 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#661C6B #216B1C

analogous

#3F1C6B #661C6B #6B1C49

triadic

#661C6B #6B661C #1C6B66

tetradic

#661C6B #6B3F1C #216B1C #1C496B

square

#661C6B #6B3F1C #216B1C #1C496B

split-complementary

#661C6B #496B1C #1C6B3F

monochromatic

#170618 #380F3A #661C6B #94299C #C137CB

Accessibility & contrast

On white

10.81

#661C6B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.94

#661C6B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #661C6B

10.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##661C6B	#FFFFFF	#000000	##FFFFFF
##661C6B	1.00	10.81	1.94	10.81
#FFFFFF	10.81	1.00	21.00	1.00
#000000	1.94	21.00	1.00	21.00
##FFFFFF	10.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#08386D

Deuteranopia (green-blind)

#2C4069

Tritanopia (blue-blind)

#682941

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #661c6b;
/* rgb */ color: rgb(102, 28, 107);
/* oklch */ color: oklch(38.0% 0.144 325.2);

Tailwind

colors: {
  custom: {
    50: '#946096',
    500: '#661c6b',
    950: '#000000',
  },
}

SCSS

$custom: #661c6b;
$custom-light: #946096;
$custom-dark: #000000;

JSON

{
  "hex": "#661c6b",
  "rgb": {
    "r": 102,
    "g": 28,
    "b": 107
  },
  "hsl": {
    "h": 296.203,
    "s": 58.519,
    "l": 26.471
  },
  "oklch": {
    "l": 0.38013,
    "c": 0.14405,
    "h": 325.2
  },
  "luminance": 0.04717
}

Semantic roles & 50–950 ramp

primary

#661C6B

secondary

#49A043

accent

#E24650

background

#F9F5F9

surface

#F2EAF2

border

#CCC6CC

text

#0E050D

muted

#7E797E

Preview Lab

Preview with #661C6B

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

Preview Lab → · Contrast checker → · Palette generator →