#66128F#66128F

#66128F is a dark, vivid purple. Relative luminance 0.052; OKLCH L 39.9% C 0.186 H 310.4°. Best body text is #FFFFFF at 10.25:1 contrast (WCAG AA passes).

Color values

HEX	#66128F
RGB	rgb(102, 18, 143)
HSL	hsl(280, 78%, 32%)
HSV	hsv(280, 87%, 56%)
CMYK	cmyk(28.7%, 87.4%, 0%, 43.9%)
CIE-LAB	lab(27.41, 53.96, -49.92)
CIE-LCH	lch(27.41, 73.51, 317.23°)
OKLab	oklab(39.9% 0.1208 -0.1418)
OKLCH	oklch(39.9% 0.186 310.4)
XYZ	xyz(10.6527, 5.2408, 26.4317)
Luminance	0.0524 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66128F #3B8F12

analogous

#28128F #66128F #8F127A

triadic

#66128F #8F6612 #128F66

tetradic

#66128F #8F2812 #3B8F12 #127A8F

square

#66128F #8F2812 #3B8F12 #127A8F

split-complementary

#66128F #7A8F12 #128F28

monochromatic

#180422 #3F0B59 #66128F #8D19C5 #AC36E6

Accessibility & contrast

On white

10.25

#66128F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.05

#66128F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #66128F

10.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66128F	#FFFFFF	#000000	##FFFFFF
##66128F	1.00	10.25	2.05	10.25
#FFFFFF	10.25	1.00	21.00	1.00
#000000	2.05	21.00	1.00	21.00
##FFFFFF	10.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003D92

Deuteranopia (green-blind)

#00428D

Tritanopia (blue-blind)

#603554

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #66128f;
/* rgb */ color: rgb(102, 18, 143);
/* oklch */ color: oklch(39.9% 0.186 310.4);

Tailwind

colors: {
  custom: {
    50: '#975eb1',
    500: '#66128f',
    950: '#000000',
  },
}

SCSS

$custom: #66128f;
$custom-light: #975eb1;
$custom-dark: #000000;

JSON

{
  "hex": "#66128f",
  "rgb": {
    "r": 102,
    "g": 18,
    "b": 143
  },
  "hsl": {
    "h": 280.32,
    "s": 77.64,
    "l": 31.569
  },
  "oklch": {
    "l": 0.39901,
    "c": 0.1863,
    "h": 310.4
  },
  "luminance": 0.05241
}

Semantic roles & 50–950 ramp

primary

#66128F

secondary

#67C33A

accent

#F43473

background

#F9F5FB

surface

#F2EAF6

border

#CCC6D0

text

#0E0511

muted

#7E7980

Preview Lab

Preview with #66128F

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

Preview Lab → · Contrast checker → · Palette generator →