#66237B#66237B

#66237B is a dark, vivid purple. Relative luminance 0.055; OKLCH L 39.8% C 0.150 H 317.0°. Best body text is #FFFFFF at 10.04:1 contrast (WCAG AA passes).

Color values

HEX	#66237B
RGB	rgb(102, 35, 123)
HSL	hsl(286, 56%, 31%)
HSV	hsv(286, 72%, 48%)
CMYK	cmyk(17.1%, 71.5%, 0%, 51.8%)
CIE-LAB	lab(28.00, 43.64, -36.45)
CIE-LCH	lch(28.00, 56.86, 320.13°)
OKLab	oklab(39.84% 0.1097 -0.1024)
OKLCH	oklch(39.84% 0.15 317)
XYZ	xyz(9.6551, 5.4573, 19.2798)
Luminance	0.0546 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Royal Purple (survey)

#4B006E

ΔE00 7.34

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66237B #387B23

analogous

#3A237B #66237B #7B2364

triadic

#66237B #7B6623 #237B66

tetradic

#66237B #7B3A23 #387B23 #23647B

square

#66237B #7B3A23 #387B23 #23647B

split-complementary

#66237B #647B23 #237B3A

monochromatic

#17081C #3E154B #66237B #8E31AB #AE4CCC

Accessibility & contrast

On white

10.04

#66237B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.09

#66237B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #66237B

10.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66237B	#FFFFFF	#000000	##FFFFFF
##66237B	1.00	10.04	2.09	10.04
#FFFFFF	10.04	1.00	21.00	1.00
#000000	2.09	21.00	1.00	21.00
##FFFFFF	10.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003E7E

Deuteranopia (green-blind)

#254479

Tritanopia (blue-blind)

#65344C

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #66237b;
/* rgb */ color: rgb(102, 35, 123);
/* oklch */ color: oklch(39.8% 0.150 317.0);

Tailwind

colors: {
  custom: {
    50: '#9564a2',
    500: '#66237b',
    950: '#000000',
  },
}

SCSS

$custom: #66237b;
$custom-light: #9564a2;
$custom-dark: #000000;

JSON

{
  "hex": "#66237b",
  "rgb": {
    "r": 102,
    "g": 35,
    "b": 123
  },
  "hsl": {
    "h": 285.682,
    "s": 55.696,
    "l": 30.98
  },
  "oklch": {
    "l": 0.39841,
    "c": 0.15002,
    "h": 317
  },
  "luminance": 0.05457
}

Semantic roles & 50–950 ramp

primary

#66237B

secondary

#63AE4C

accent

#DF496D

background

#F9F6FA

surface

#F2EBF3

border

#CCC6CD

text

#0E060F

muted

#7E7A7F

Preview Lab

Preview with #66237B

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

Preview Lab → · Contrast checker → · Palette generator →