#66237D#66237D

#66237D is a dark, vivid purple. Relative luminance 0.055; OKLCH L 40.0% C 0.152 H 316.1°. Best body text is #FFFFFF at 9.99:1 contrast (WCAG AA passes).

Color values

HEX	#66237D
RGB	rgb(102, 35, 125)
HSL	hsl(285, 56%, 31%)
HSV	hsv(285, 72%, 49%)
CMYK	cmyk(18.4%, 72%, 0%, 51%)
CIE-LAB	lab(28.14, 44.07, -37.49)
CIE-LCH	lch(28.14, 57.86, 319.61°)
OKLab	oklab(39.98% 0.1095 -0.1054)
OKLCH	oklch(39.98% 0.152 316.1)
XYZ	xyz(9.7816, 5.5079, 19.9459)
Luminance	0.0551 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Royal Purple (survey)

#4B006E

ΔE00 7.30

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66237D #3A7D23

analogous

#39237D #66237D #7D2367

triadic

#66237D #7D6623 #237D66

tetradic

#66237D #7D3923 #3A7D23 #23677D

square

#66237D #7D3923 #3A7D23 #23677D

split-complementary

#66237D #677D23 #237D39

monochromatic

#18081D #3F164D #66237D #8D30AD #AC4DCD

Accessibility & contrast

On white

9.99

#66237D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.10

#66237D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #66237D

9.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66237D	#FFFFFF	#000000	##FFFFFF
##66237D	1.00	9.99	2.10	9.99
#FFFFFF	9.99	1.00	21.00	1.00
#000000	2.10	21.00	1.00	21.00
##FFFFFF	9.99	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003E80

Deuteranopia (green-blind)

#23447B

Tritanopia (blue-blind)

#65354D

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #66237d;
/* rgb */ color: rgb(102, 35, 125);
/* oklch */ color: oklch(40.0% 0.152 316.1);

Tailwind

colors: {
  custom: {
    50: '#9564a3',
    500: '#66237d',
    950: '#000000',
  },
}

SCSS

$custom: #66237d;
$custom-light: #9564a3;
$custom-dark: #000000;

JSON

{
  "hex": "#66237d",
  "rgb": {
    "r": 102,
    "g": 35,
    "b": 125
  },
  "hsl": {
    "h": 284.667,
    "s": 56.25,
    "l": 31.373
  },
  "oklch": {
    "l": 0.39981,
    "c": 0.15201,
    "h": 316.1
  },
  "luminance": 0.05508
}

Semantic roles & 50–950 ramp

primary

#66237D

secondary

#66AF4C

accent

#E0486F

background

#F9F6FA

surface

#F2EBF4

border

#CCC6CE

text

#0E060F

muted

#7E7A7F

Preview Lab

Preview with #66237D

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

Preview Lab → · Contrast checker → · Palette generator →