#661C70#661C70

#661C70 is a dark, vivid purple. Relative luminance 0.048; OKLCH L 38.3% C 0.149 H 322.7°. Best body text is #FFFFFF at 10.69:1 contrast (WCAG AA passes).

Color values

HEX	#661C70
RGB	rgb(102, 28, 112)
HSL	hsl(293, 60%, 27%)
HSV	hsv(293, 75%, 44%)
CMYK	cmyk(8.9%, 75%, 0%, 56.1%)
CIE-LAB	lab(26.23, 44.32, -32.27)
CIE-LCH	lch(26.23, 54.83, 323.94°)
OKLab	oklab(38.34% 0.1182 -0.0901)
OKLCH	oklch(38.34% 0.149 322.7)
XYZ	xyz(8.8191, 4.8256, 15.7930)
Luminance	0.0483 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Royal Purple (survey)

#4B006E

ΔE00 7.15

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#661C70 #26701C

analogous

#3C1C70 #661C70 #701C50

triadic

#661C70 #70661C #1C7066

tetradic

#661C70 #703C1C #26701C #1C5070

square

#661C70 #703C1C #26701C #1C5070

split-complementary

#661C70 #50701C #1C703C

monochromatic

#160618 #39103F #661C70 #9328A1 #BC39CD

Accessibility & contrast

On white

10.69

#661C70 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.97

#661C70 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #661C70

10.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##661C70	#FFFFFF	#000000	##FFFFFF
##661C70	1.00	10.69	1.97	10.69
#FFFFFF	10.69	1.00	21.00	1.00
#000000	1.97	21.00	1.00	21.00
##FFFFFF	10.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003972

Deuteranopia (green-blind)

#29416E

Tritanopia (blue-blind)

#672B44

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #661c70;
/* rgb */ color: rgb(102, 28, 112);
/* oklch */ color: oklch(38.3% 0.149 322.7);

Tailwind

colors: {
  custom: {
    50: '#956099',
    500: '#661c70',
    950: '#000000',
  },
}

SCSS

$custom: #661c70;
$custom-light: #956099;
$custom-dark: #000000;

JSON

{
  "hex": "#661c70",
  "rgb": {
    "r": 102,
    "g": 28,
    "b": 112
  },
  "hsl": {
    "h": 292.857,
    "s": 60,
    "l": 27.451
  },
  "oklch": {
    "l": 0.38343,
    "c": 0.14858,
    "h": 322.7
  },
  "luminance": 0.04825
}

Semantic roles & 50–950 ramp

primary

#661C70

secondary

#4FA543

accent

#E34558

background

#F9F5F9

surface

#F2EAF2

border

#CCC6CC

text

#0E050E

muted

#7E797E

Preview Lab

Preview with #661C70

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

Preview Lab → · Contrast checker → · Palette generator →