#661B85#661B85

#661B85 is a dark, vivid purple. Relative luminance 0.053; OKLCH L 39.8% C 0.169 H 313.5°. Best body text is #FFFFFF at 10.19:1 contrast (WCAG AA passes).

Color values

HEX	#661B85
RGB	rgb(102, 27, 133)
HSL	hsl(282, 66%, 31%)
HSV	hsv(282, 80%, 52%)
CMYK	cmyk(23.3%, 79.7%, 0%, 47.8%)
CIE-LAB	lab(27.58, 49.02, -43.41)
CIE-LCH	lch(27.58, 65.48, 318.47°)
OKLab	oklab(39.77% 0.1165 -0.1227)
OKLCH	oklch(39.77% 0.169 313.5)
XYZ	xyz(10.1043, 5.3024, 22.6770)
Luminance	0.0530 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Royal Purple (survey)

#4B006E

ΔE00 6.56

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#661B85 #3A851B

analogous

#311B85 #661B85 #851B6F

triadic

#661B85 #85661B #1B8566

tetradic

#661B85 #85311B #3A851B #1B6F85

square

#661B85 #85311B #3A851B #1B6F85

split-complementary

#661B85 #6F851B #1B8531

monochromatic

#18061F #3F1152 #661B85 #8D25B8 #AC42D9

Accessibility & contrast

On white

10.19

#661B85 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.06

#661B85 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #661B85

10.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##661B85	#FFFFFF	#000000	##FFFFFF
##661B85	1.00	10.19	2.06	10.19
#FFFFFF	10.19	1.00	21.00	1.00
#000000	2.06	21.00	1.00	21.00
##FFFFFF	10.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003D88

Deuteranopia (green-blind)

#0F4383

Tritanopia (blue-blind)

#633450

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #661b85;
/* rgb */ color: rgb(102, 27, 133);
/* oklch */ color: oklch(39.8% 0.169 313.5);

Tailwind

colors: {
  custom: {
    50: '#9661a9',
    500: '#661b85',
    950: '#000000',
  },
}

SCSS

$custom: #661b85;
$custom-light: #9661a9;
$custom-dark: #000000;

JSON

{
  "hex": "#661b85",
  "rgb": {
    "r": 102,
    "g": 27,
    "b": 133
  },
  "hsl": {
    "h": 282.453,
    "s": 66.25,
    "l": 31.373
  },
  "oklch": {
    "l": 0.39769,
    "c": 0.16925,
    "h": 313.5
  },
  "luminance": 0.05302
}

Semantic roles & 50–950 ramp

primary

#661B85

secondary

#66B844

accent

#E93F71

background

#F9F6FA

surface

#F2EBF4

border

#CCC6CE

text

#0E0510

muted

#7E7A7F

Preview Lab

Preview with #661B85

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

Preview Lab → · Contrast checker → · Palette generator →