#661B5F#661B5F

#661B5F is a dark, vivid purple. Relative luminance 0.044; OKLCH L 37.2% C 0.135 H 332.0°. Best body text is #FFFFFF at 11.13:1 contrast (WCAG AA passes).

Color values

HEX	#661B5F
RGB	rgb(102, 27, 95)
HSL	hsl(306, 58%, 25%)
HSV	hsv(306, 74%, 40%)
CMYK	cmyk(0%, 73.5%, 6.9%, 60%)
CIE-LAB	lab(25.06, 41.55, -23.09)
CIE-LCH	lch(25.06, 47.54, 330.94°)
OKLab	oklab(37.17% 0.1191 -0.0634)
OKLCH	oklch(37.17% 0.135 332)
XYZ	xyz(7.9370, 4.4355, 11.2624)
Luminance	0.0444 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#661B5F #1B6622

analogous

#471B66 #661B5F #661B39

triadic

#661B5F #5F661B #1B5F66

tetradic

#661B5F #66471B #1B6622 #1B3966

square

#661B5F #66471B #1B6622 #1B3966

split-complementary

#661B5F #39661B #1B6647

monochromatic

#180617 #360E32 #661B5F #96288C #C735B9

Accessibility & contrast

On white

11.13

#661B5F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.89

#661B5F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #661B5F

11.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##661B5F	#FFFFFF	#000000	##FFFFFF
##661B5F	1.00	11.13	1.89	11.13
#FFFFFF	11.13	1.00	21.00	1.00
#000000	1.89	21.00	1.00	21.00
##FFFFFF	11.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#173561

Deuteranopia (green-blind)

#323F5D

Tritanopia (blue-blind)

#6A233A

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #661b5f;
/* rgb */ color: rgb(102, 27, 95);
/* oklch */ color: oklch(37.2% 0.135 332.0);

Tailwind

colors: {
  custom: {
    50: '#945f8c',
    500: '#661b5f',
    950: '#000000',
  },
}

SCSS

$custom: #661b5f;
$custom-light: #945f8c;
$custom-dark: #000000;

JSON

{
  "hex": "#661b5f",
  "rgb": {
    "r": 102,
    "g": 27,
    "b": 95
  },
  "hsl": {
    "h": 305.6,
    "s": 58.14,
    "l": 25.294
  },
  "oklch": {
    "l": 0.37171,
    "c": 0.13492,
    "h": 332
  },
  "luminance": 0.04435
}

Semantic roles & 50–950 ramp

primary

#661B5F

secondary

#419B4A

accent

#E15546

background

#F9F5F8

surface

#F2EAF0

border

#CCC6CB

text

#0D050C

muted

#7E797D

Preview Lab

Preview with #661B5F

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

Preview Lab → · Contrast checker → · Palette generator →