#661B64#661B64

#661B64 is a dark, vivid purple. Relative luminance 0.045; OKLCH L 37.5% C 0.139 H 329.1°. Best body text is #FFFFFF at 11.02:1 contrast (WCAG AA passes).

Color values

HEX#661B64
RGBrgb(102, 27, 100)
HSLhsl(302, 58%, 25%)
HSVhsv(302, 74%, 40%)
CMYKcmyk(0%, 73.5%, 2%, 60%)
CIE-LABlab(25.35, 42.45, -25.91)
CIE-LCHlch(25.35, 49.73, 328.60°)
OKLaboklab(37.47% 0.1194 -0.0716)
OKLCHoklch(37.47% 0.139 329.1)
XYZxyz(8.1716, 4.5293, 12.4980)
Luminance0.0453 (WCAG relative)
Temperatureneutral
Familypurple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#661B64 #1B661D
analogous
#421B66 #661B64 #661B3E
triadic
#661B64 #64661B #1B6466
tetradic
#661B64 #66421B #1B661D #1B3E66
square
#661B64 #66421B #1B661D #1B3E66
split-complementary
#661B64 #3E661B #1B6642
monochromatic
#180618 #360E35 #661B64 #962893 #C735C3

Accessibility & contrast

On white

11.02
#661B64 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.91
#661B64 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #661B64
11.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##661B64#FFFFFF#000000##FFFFFF
##661B641.0011.021.9111.02
#FFFFFF11.021.0021.001.00
#0000001.9121.001.0021.00
##FFFFFF11.021.0021.001.00

Color blindness preview

Protanopia (red-blind)
#113666
Deuteranopia (green-blind)
#304062
Tritanopia (blue-blind)
#6A253D
Achromatopsia (no color)
#3C3C3C

Design tokens & code

CSS
--color: #661b64;
/* rgb */ color: rgb(102, 27, 100);
/* oklch */ color: oklch(37.5% 0.139 329.1);
Tailwind
colors: {
  custom: {
    50: '#945f90',
    500: '#661b64',
    950: '#000000',
  },
}
SCSS
$custom: #661b64;
$custom-light: #945f90;
$custom-dark: #000000;
JSON
{
  "hex": "#661b64",
  "rgb": {
    "r": 102,
    "g": 27,
    "b": 100
  },
  "hsl": {
    "h": 301.6,
    "s": 58.14,
    "l": 25.294
  },
  "oklch": {
    "l": 0.37471,
    "c": 0.13916,
    "h": 329.1
  },
  "luminance": 0.04529
}

Semantic roles & 50–950 ramp

primary
#661B64
secondary
#419B44
accent
#E14B46
background
#F9F5F8
surface
#F2EAF0
border
#CCC6CB
text
#0E050C
muted
#7E797D

Preview Lab

Preview with #661B64

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

Preview Lab → · Contrast checker → · Palette generator →

#661B64 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva