#66367B#66367B

#66367B is a dark, vivid purple. Relative luminance 0.069; OKLCH L 42.4% C 0.120 H 314.5°. Best body text is #FFFFFF at 8.83:1 contrast (WCAG AA passes).

Color values

HEX	#66367B
RGB	rgb(102, 54, 123)
HSL	hsl(282, 39%, 35%)
HSV	hsv(282, 56%, 48%)
CMYK	cmyk(17.1%, 56.1%, 0%, 51.8%)
CIE-LAB	lab(31.56, 33.93, -30.77)
CIE-LCH	lch(31.56, 45.80, 317.80°)
OKLab	oklab(42.43% 0.0845 -0.0859)
OKLCH	oklch(42.43% 0.12 314.5)
XYZ	xyz(10.3732, 6.8935, 19.5192)
Luminance	0.0689 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66367B #4B7B36

analogous

#44367B #66367B #7B366E

triadic

#66367B #7B6636 #367B66

tetradic

#66367B #7B4436 #4B7B36 #366E7B

square

#66367B #7B4436 #4B7B36 #366E7B

split-complementary

#66367B #6E7B36 #367B44

monochromatic

#1F1126 #432350 #66367B #8949A6 #A66DBF

Accessibility & contrast

On white

8.83

#66367B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.38

#66367B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #66367B

8.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66367B	#FFFFFF	#000000	##FFFFFF
##66367B	1.00	8.83	2.38	8.83
#FFFFFF	8.83	1.00	21.00	1.00
#000000	2.38	21.00	1.00	21.00
##FFFFFF	8.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#25477D

Deuteranopia (green-blind)

#354C79

Tritanopia (blue-blind)

#644153

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #66367b;
/* rgb */ color: rgb(102, 54, 123);
/* oklch */ color: oklch(42.4% 0.120 314.5);

Tailwind

colors: {
  custom: {
    50: '#936fa1',
    500: '#66367b',
    950: '#000000',
  },
}

SCSS

$custom: #66367b;
$custom-light: #936fa1;
$custom-dark: #000000;

JSON

{
  "hex": "#66367b",
  "rgb": {
    "r": 102,
    "g": 54,
    "b": 123
  },
  "hsl": {
    "h": 281.739,
    "s": 38.983,
    "l": 34.706
  },
  "oklch": {
    "l": 0.42429,
    "c": 0.12049,
    "h": 314.5
  },
  "luminance": 0.06893
}

Semantic roles & 50–950 ramp

primary

#66367B

secondary

#7AA765

accent

#CF597D

background

#F9F6FA

surface

#F2ECF3

border

#CCC7CD

text

#0D070F

muted

#7E7A7F

Preview Lab

Preview with #66367B

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

Preview Lab → · Contrast checker → · Palette generator →