#661B5D#661B5D

#661B5D is a dark, vivid purple. Relative luminance 0.044; OKLCH L 37.1% C 0.133 H 333.2°. Best body text is #FFFFFF at 11.17:1 contrast (WCAG AA passes).

Color values

HEX	#661B5D
RGB	rgb(102, 27, 93)
HSL	hsl(307, 58%, 25%)
HSV	hsv(307, 74%, 40%)
CMYK	cmyk(0%, 73.5%, 8.8%, 60%)
CIE-LAB	lab(24.95, 41.21, -21.95)
CIE-LCH	lch(24.95, 46.69, 331.96°)
OKLab	oklab(37.05% 0.1189 -0.0601)
OKLCH	oklch(37.05% 0.133 333.2)
XYZ	xyz(7.8472, 4.3996, 10.7897)
Luminance	0.0440 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#661B5D #1B6624

analogous

#491B66 #661B5D #661B37

triadic

#661B5D #5D661B #1B5D66

tetradic

#661B5D #66491B #1B6624 #1B3766

square

#661B5D #66491B #1B6624 #1B3766

split-complementary

#661B5D #37661B #1B6649

monochromatic

#180616 #360E31 #661B5D #962889 #C735B5

Accessibility & contrast

On white

11.17

#661B5D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.88

#661B5D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #661B5D

11.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##661B5D	#FFFFFF	#000000	##FFFFFF
##661B5D	1.00	11.17	1.88	11.17
#FFFFFF	11.17	1.00	21.00	1.00
#000000	1.88	21.00	1.00	21.00
##FFFFFF	11.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#18345F

Deuteranopia (green-blind)

#333F5B

Tritanopia (blue-blind)

#6B2239

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #661b5d;
/* rgb */ color: rgb(102, 27, 93);
/* oklch */ color: oklch(37.1% 0.133 333.2);

Tailwind

colors: {
  custom: {
    50: '#945f8b',
    500: '#661b5d',
    950: '#000000',
  },
}

SCSS

$custom: #661b5d;
$custom-light: #945f8b;
$custom-dark: #000000;

JSON

{
  "hex": "#661b5d",
  "rgb": {
    "r": 102,
    "g": 27,
    "b": 93
  },
  "hsl": {
    "h": 307.2,
    "s": 58.14,
    "l": 25.294
  },
  "oklch": {
    "l": 0.37054,
    "c": 0.13325,
    "h": 333.2
  },
  "luminance": 0.04399
}

Semantic roles & 50–950 ramp

primary

#661B5D

secondary

#419B4C

accent

#E15946

background

#F9F5F8

surface

#F2EAF0

border

#CCC6CB

text

#0D050C

muted

#7E797D

Preview Lab

Preview with #661B5D

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

Preview Lab → · Contrast checker → · Palette generator →