#661B73#661B73

#661B73 is a dark, vivid purple. Relative luminance 0.048; OKLCH L 38.5% C 0.153 H 321.3°. Best body text is #FFFFFF at 10.66:1 contrast (WCAG AA passes).

Color values

HEX	#661B73
RGB	rgb(102, 27, 115)
HSL	hsl(291, 62%, 28%)
HSV	hsv(291, 77%, 45%)
CMYK	cmyk(11.3%, 76.5%, 0%, 54.9%)
CIE-LAB	lab(26.29, 45.30, -34.09)
CIE-LCH	lch(26.29, 56.70, 323.04°)
OKLab	oklab(38.45% 0.119 -0.0954)
OKLCH	oklch(38.45% 0.153 321.3)
XYZ	xyz(8.9656, 4.8469, 16.6796)
Luminance	0.0485 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#661B73 #28731B

analogous

#3A1B73 #661B73 #731B54

triadic

#661B73 #73661B #1B7366

tetradic

#661B73 #733A1B #28731B #1B5473

square

#661B73 #733A1B #28731B #1B5473

split-complementary

#661B73 #54731B #1B733A

monochromatic

#160619 #3A0F41 #661B73 #9227A5 #BA38D0

Accessibility & contrast

On white

10.66

#661B73 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.97

#661B73 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #661B73

10.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##661B73	#FFFFFF	#000000	##FFFFFF
##661B73	1.00	10.66	1.97	10.66
#FFFFFF	10.66	1.00	21.00	1.00
#000000	1.97	21.00	1.00	21.00
##FFFFFF	10.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003975

Deuteranopia (green-blind)

#264171

Tritanopia (blue-blind)

#672C45

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #661b73;
/* rgb */ color: rgb(102, 27, 115);
/* oklch */ color: oklch(38.5% 0.153 321.3);

Tailwind

colors: {
  custom: {
    50: '#95609c',
    500: '#661b73',
    950: '#000000',
  },
}

SCSS

$custom: #661b73;
$custom-light: #95609c;
$custom-dark: #000000;

JSON

{
  "hex": "#661b73",
  "rgb": {
    "r": 102,
    "g": 27,
    "b": 115
  },
  "hsl": {
    "h": 291.136,
    "s": 61.972,
    "l": 27.843
  },
  "oklch": {
    "l": 0.38451,
    "c": 0.15253,
    "h": 321.3
  },
  "luminance": 0.04846
}

Semantic roles & 50–950 ramp

primary

#661B73

secondary

#51A842

accent

#E5435B

background

#F9F5F9

surface

#F2EAF2

border

#CCC6CC

text

#0E050E

muted

#7E797E

Preview Lab

Preview with #661B73

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

Preview Lab → · Contrast checker → · Palette generator →