#661F73#661F73

#661F73 is a dark, vivid purple. Relative luminance 0.050; OKLCH L 38.9% C 0.148 H 321.0°. Best body text is #FFFFFF at 10.46:1 contrast (WCAG AA passes).

Color values

HEX	#661F73
RGB	rgb(102, 31, 115)
HSL	hsl(291, 58%, 29%)
HSV	hsv(291, 73%, 45%)
CMYK	cmyk(11.3%, 73%, 0%, 54.9%)
CIE-LAB	lab(26.86, 43.70, -33.19)
CIE-LCH	lch(26.86, 54.88, 322.78°)
OKLab	oklab(38.85% 0.1147 -0.0928)
OKLCH	oklch(38.85% 0.148 321)
XYZ	xyz(9.0636, 5.0430, 16.7123)
Luminance	0.0504 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#661F73 #2C731F

analogous

#3C1F73 #661F73 #731F56

triadic

#661F73 #73661F #1F7366

tetradic

#661F73 #733C1F #2C731F #1F5673

square

#661F73 #733C1F #2C731F #1F5673

split-complementary

#661F73 #56731F #1F733C

monochromatic

#150618 #3B1243 #661F73 #912CA3 #B641CC

Accessibility & contrast

On white

10.46

#661F73 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.01

#661F73 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #661F73

10.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##661F73	#FFFFFF	#000000	##FFFFFF
##661F73	1.00	10.46	2.01	10.46
#FFFFFF	10.46	1.00	21.00	1.00
#000000	2.01	21.00	1.00	21.00
##FFFFFF	10.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A75

Deuteranopia (green-blind)

#284271

Tritanopia (blue-blind)

#672E47

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #661f73;
/* rgb */ color: rgb(102, 31, 115);
/* oklch */ color: oklch(38.9% 0.148 321.0);

Tailwind

colors: {
  custom: {
    50: '#95629c',
    500: '#661f73',
    950: '#000000',
  },
}

SCSS

$custom: #661f73;
$custom-light: #95629c;
$custom-dark: #000000;

JSON

{
  "hex": "#661f73",
  "rgb": {
    "r": 102,
    "g": 31,
    "b": 115
  },
  "hsl": {
    "h": 290.714,
    "s": 57.534,
    "l": 28.627
  },
  "oklch": {
    "l": 0.38853,
    "c": 0.14755,
    "h": 321
  },
  "luminance": 0.05043
}

Semantic roles & 50–950 ramp

primary

#661F73

secondary

#56A747

accent

#E1475F

background

#F9F6F9

surface

#F2EBF2

border

#CCC6CC

text

#0E050E

muted

#7E7A7E

Preview Lab

Preview with #661F73

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

Preview Lab → · Contrast checker → · Palette generator →