#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
RGBrgb(102, 28, 107)
HSLhsl(296, 59%, 26%)
HSVhsv(296, 74%, 42%)
CMYKcmyk(4.7%, 73.8%, 0%, 58%)
CIE-LABlab(25.91, 43.36, -29.56)
CIE-LCHlch(25.91, 52.47, 325.72°)
OKLaboklab(38.01% 0.1183 -0.0822)
OKLCHoklch(38.01% 0.144 325.2)
XYZxyz(8.5484, 4.7174, 14.3674)
Luminance0.0472 (WCAG relative)
Temperatureneutral
Familypurple

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
##661C6B1.0010.811.9410.81
#FFFFFF10.811.0021.001.00
#0000001.9421.001.0021.00
##FFFFFF10.811.0021.001.00

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 →

#661C6B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva