#661B7E#661B7E

#661B7E is a dark, vivid purple. Relative luminance 0.051; OKLCH L 39.2% C 0.163 H 316.4°. Best body text is #FFFFFF at 10.38:1 contrast (WCAG AA passes).

Color values

HEX	#661B7E
RGB	rgb(102, 27, 126)
HSL	hsl(285, 65%, 30%)
HSV	hsv(285, 79%, 49%)
CMYK	cmyk(19%, 78.6%, 0%, 50.6%)
CIE-LAB	lab(27.06, 47.54, -39.85)
CIE-LCH	lch(27.06, 62.03, 320.03°)
OKLab	oklab(39.24% 0.1177 -0.1123)
OKLCH	oklch(39.24% 0.163 316.4)
XYZ	xyz(9.6367, 5.1154, 20.2144)
Luminance	0.0512 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#661B7E #337E1B

analogous

#351B7E #661B7E #7E1B64

triadic

#661B7E #7E661B #1B7E66

tetradic

#661B7E #7E351B #337E1B #1B647E

square

#661B7E #7E351B #337E1B #1B647E

split-complementary

#661B7E #647E1B #1B7E35

monochromatic

#140519 #3D104C #661B7E #8F26B0 #B13ED6

Accessibility & contrast

On white

10.38

#661B7E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.02

#661B7E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #661B7E

10.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##661B7E	#FFFFFF	#000000	##FFFFFF
##661B7E	1.00	10.38	2.02	10.38
#FFFFFF	10.38	1.00	21.00	1.00
#000000	2.02	21.00	1.00	21.00
##FFFFFF	10.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003C81

Deuteranopia (green-blind)

#1B427C

Tritanopia (blue-blind)

#64314C

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #661b7e;
/* rgb */ color: rgb(102, 27, 126);
/* oklch */ color: oklch(39.2% 0.163 316.4);

Tailwind

colors: {
  custom: {
    50: '#9560a4',
    500: '#661b7e',
    950: '#000000',
  },
}

SCSS

$custom: #661b7e;
$custom-light: #9560a4;
$custom-dark: #000000;

JSON

{
  "hex": "#661b7e",
  "rgb": {
    "r": 102,
    "g": 27,
    "b": 126
  },
  "hsl": {
    "h": 285.455,
    "s": 64.706,
    "l": 30
  },
  "oklch": {
    "l": 0.3924,
    "c": 0.16269,
    "h": 316.4
  },
  "luminance": 0.05115
}

Semantic roles & 50–950 ramp

primary

#661B7E

secondary

#5EB243

accent

#E84069

background

#F9F6FA

surface

#F2EBF4

border

#CCC6CE

text

#0E050F

muted

#7E7A7F

Preview Lab

Preview with #661B7E

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

Preview Lab → · Contrast checker → · Palette generator →