#661D5B#661D5B

#661D5B is a dark, vivid purple. Relative luminance 0.045; OKLCH L 37.2% C 0.129 H 334.5°. Best body text is #FFFFFF at 11.10:1 contrast (WCAG AA passes).

Color values

HEX	#661D5B
RGB	rgb(102, 29, 91)
HSL	hsl(309, 56%, 26%)
HSV	hsv(309, 72%, 40%)
CMYK	cmyk(0%, 71.6%, 10.8%, 60%)
CIE-LAB	lab(25.14, 40.04, -20.34)
CIE-LCH	lch(25.14, 44.91, 333.07°)
OKLab	oklab(37.15% 0.1163 -0.0555)
OKLCH	oklch(37.15% 0.129 334.5)
XYZ	xyz(7.8072, 4.4595, 10.3451)
Luminance	0.0446 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#661D5B #1D6628

analogous

#4C1D66 #661D5B #661D36

triadic

#661D5B #5B661D #1D5B66

tetradic

#661D5B #664C1D #1D6628 #1D3666

square

#661D5B #664C1D #1D6628 #1D3666

split-complementary

#661D5B #36661D #1D664C

monochromatic

#180715 #360F30 #661D5B #962B86 #C538B0

Accessibility & contrast

On white

11.10

#661D5B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.89

#661D5B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #661D5B

11.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##661D5B	#FFFFFF	#000000	##FFFFFF
##661D5B	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)

#1C355D

Deuteranopia (green-blind)

#353F59

Tritanopia (blue-blind)

#6B2339

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #661d5b;
/* rgb */ color: rgb(102, 29, 91);
/* oklch */ color: oklch(37.2% 0.129 334.5);

Tailwind

colors: {
  custom: {
    50: '#946089',
    500: '#661d5b',
    950: '#000000',
  },
}

SCSS

$custom: #661d5b;
$custom-light: #946089;
$custom-dark: #000000;

JSON

{
  "hex": "#661d5b",
  "rgb": {
    "r": 102,
    "g": 29,
    "b": 91
  },
  "hsl": {
    "h": 309.041,
    "s": 55.725,
    "l": 25.686
  },
  "oklch": {
    "l": 0.37153,
    "c": 0.12887,
    "h": 334.5
  },
  "luminance": 0.04459
}

Semantic roles & 50–950 ramp

primary

#661D5B

secondary

#449B51

accent

#DF5F49

background

#F9F5F8

surface

#F2EAF0

border

#CCC6CB

text

#0D050B

muted

#7E797C

Preview Lab

Preview with #661D5B

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

Preview Lab → · Contrast checker → · Palette generator →