#661B75#661B75

#661B75 is a dark, vivid purple. Relative luminance 0.049; OKLCH L 38.6% C 0.154 H 320.3°. Best body text is #FFFFFF at 10.61:1 contrast (WCAG AA passes).

Color values

HEX	#661B75
RGB	rgb(102, 27, 117)
HSL	hsl(290, 63%, 28%)
HSV	hsv(290, 77%, 46%)
CMYK	cmyk(12.8%, 76.9%, 0%, 54.1%)
CIE-LAB	lab(26.43, 45.70, -35.15)
CIE-LCH	lch(26.43, 57.66, 322.43°)
OKLab	oklab(38.59% 0.1188 -0.0985)
OKLCH	oklch(38.59% 0.154 320.3)
XYZ	xyz(9.0819, 4.8935, 17.2923)
Luminance	0.0489 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#661B75 #2A751B

analogous

#391B75 #661B75 #751B57

triadic

#661B75 #75661B #1B7566

tetradic

#661B75 #75391B #2A751B #1B5775

square

#661B75 #75391B #2A751B #1B5775

split-complementary

#661B75 #57751B #1B7539

monochromatic

#160619 #3B1043 #661B75 #9126A7 #B839D1

Accessibility & contrast

On white

10.61

#661B75 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.98

#661B75 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #661B75

10.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##661B75	#FFFFFF	#000000	##FFFFFF
##661B75	1.00	10.61	1.98	10.61
#FFFFFF	10.61	1.00	21.00	1.00
#000000	1.98	21.00	1.00	21.00
##FFFFFF	10.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003977

Deuteranopia (green-blind)

#244173

Tritanopia (blue-blind)

#662D47

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #661b75;
/* rgb */ color: rgb(102, 27, 117);
/* oklch */ color: oklch(38.6% 0.154 320.3);

Tailwind

colors: {
  custom: {
    50: '#95609d',
    500: '#661b75',
    950: '#000000',
  },
}

SCSS

$custom: #661b75;
$custom-light: #95609d;
$custom-dark: #000000;

JSON

{
  "hex": "#661b75",
  "rgb": {
    "r": 102,
    "g": 27,
    "b": 117
  },
  "hsl": {
    "h": 290,
    "s": 62.5,
    "l": 28.235
  },
  "oklch": {
    "l": 0.3859,
    "c": 0.15436,
    "h": 320.3
  },
  "luminance": 0.04893
}

Semantic roles & 50–950 ramp

primary

#661B75

secondary

#54A942

accent

#E6425D

background

#F9F5F9

surface

#F2EAF2

border

#CCC6CC

text

#0E050E

muted

#7E797E

Preview Lab

Preview with #661B75

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

Preview Lab → · Contrast checker → · Palette generator →