#66128D#66128D

#66128D is a dark, vivid purple. Relative luminance 0.052; OKLCH L 39.7% C 0.185 H 311.2°. Best body text is #FFFFFF at 10.31:1 contrast (WCAG AA passes).

Color values

HEX	#66128D
RGB	rgb(102, 18, 141)
HSL	hsl(281, 77%, 31%)
HSV	hsv(281, 87%, 55%)
CMYK	cmyk(27.7%, 87.2%, 0%, 44.7%)
CIE-LAB	lab(27.24, 53.54, -48.95)
CIE-LCH	lch(27.24, 72.54, 317.56°)
OKLab	oklab(39.73% 0.1214 -0.1389)
OKLCH	oklch(39.73% 0.185 311.2)
XYZ	xyz(10.5026, 5.1808, 25.6409)
Luminance	0.0518 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66128D #398D12

analogous

#29128D #66128D #8D1276

triadic

#66128D #8D6612 #128D66

tetradic

#66128D #8D2912 #398D12 #12768D

square

#66128D #8D2912 #398D12 #12768D

split-complementary

#66128D #768D12 #128D29

monochromatic

#170420 #3F0B57 #66128D #8D19C3 #AD34E5

Accessibility & contrast

On white

10.31

#66128D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.04

#66128D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #66128D

10.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66128D	#FFFFFF	#000000	##FFFFFF
##66128D	1.00	10.31	2.04	10.31
#FFFFFF	10.31	1.00	21.00	1.00
#000000	2.04	21.00	1.00	21.00
##FFFFFF	10.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003D90

Deuteranopia (green-blind)

#00428B

Tritanopia (blue-blind)

#613453

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #66128d;
/* rgb */ color: rgb(102, 18, 141);
/* oklch */ color: oklch(39.7% 0.185 311.2);

Tailwind

colors: {
  custom: {
    50: '#975eaf',
    500: '#66128d',
    950: '#000000',
  },
}

SCSS

$custom: #66128d;
$custom-light: #975eaf;
$custom-dark: #000000;

JSON

{
  "hex": "#66128d",
  "rgb": {
    "r": 102,
    "g": 18,
    "b": 141
  },
  "hsl": {
    "h": 280.976,
    "s": 77.358,
    "l": 31.176
  },
  "oklch": {
    "l": 0.39733,
    "c": 0.18452,
    "h": 311.2
  },
  "luminance": 0.0518
}

Semantic roles & 50–950 ramp

primary

#66128D

secondary

#65C139

accent

#F43471

background

#F9F5FA

surface

#F2EAF5

border

#CCC6CF

text

#0E0510

muted

#7E797F

Preview Lab

Preview with #66128D

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

Preview Lab → · Contrast checker → · Palette generator →