#661B63#661B63

#661B63 is a dark, vivid purple. Relative luminance 0.045; OKLCH L 37.4% C 0.138 H 329.6°. Best body text is #FFFFFF at 11.04:1 contrast (WCAG AA passes).

Color values

HEX	#661B63
RGB	rgb(102, 27, 99)
HSL	hsl(302, 58%, 25%)
HSV	hsv(302, 74%, 40%)
CMYK	cmyk(0%, 73.5%, 2.9%, 60%)
CIE-LAB	lab(25.29, 42.27, -25.35)
CIE-LCH	lch(25.29, 49.28, 329.05°)
OKLab	oklab(37.41% 0.1193 -0.0699)
OKLCH	oklch(37.41% 0.138 329.6)
XYZ	xyz(8.1235, 4.5101, 12.2446)
Luminance	0.0451 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#661B63 #1B661E

analogous

#431B66 #661B63 #661B3D

triadic

#661B63 #63661B #1B6366

tetradic

#661B63 #66431B #1B661E #1B3D66

square

#661B63 #66431B #1B661E #1B3D66

split-complementary

#661B63 #3D661B #1B6643

monochromatic

#180617 #360E34 #661B63 #962892 #C735C1

Accessibility & contrast

On white

11.04

#661B63 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.90

#661B63 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #661B63

11.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##661B63	#FFFFFF	#000000	##FFFFFF
##661B63	1.00	11.04	1.90	11.04
#FFFFFF	11.04	1.00	21.00	1.00
#000000	1.90	21.00	1.00	21.00
##FFFFFF	11.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#123565

Deuteranopia (green-blind)

#304061

Tritanopia (blue-blind)

#6A253D

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #661b63;
/* rgb */ color: rgb(102, 27, 99);
/* oklch */ color: oklch(37.4% 0.138 329.6);

Tailwind

colors: {
  custom: {
    50: '#945f90',
    500: '#661b63',
    950: '#000000',
  },
}

SCSS

$custom: #661b63;
$custom-light: #945f90;
$custom-dark: #000000;

JSON

{
  "hex": "#661b63",
  "rgb": {
    "r": 102,
    "g": 27,
    "b": 99
  },
  "hsl": {
    "h": 302.4,
    "s": 58.14,
    "l": 25.294
  },
  "oklch": {
    "l": 0.3741,
    "c": 0.1383,
    "h": 329.6
  },
  "luminance": 0.04509
}

Semantic roles & 50–950 ramp

primary

#661B63

secondary

#419B45

accent

#E14D46

background

#F9F5F8

surface

#F2EAF0

border

#CCC6CB

text

#0E050C

muted

#7E797D

Preview Lab

Preview with #661B63

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

Preview Lab → · Contrast checker → · Palette generator →