#66179E#66179E

#66179E is a dark, vivid violet. Relative luminance 0.059; OKLCH L 41.5% C 0.196 H 305.2°. Best body text is #FFFFFF at 9.63:1 contrast (WCAG AA passes).

Color values

HEX	#66179E
RGB	rgb(102, 23, 158)
HSL	hsl(275, 75%, 35%)
HSV	hsv(275, 85%, 62%)
CMYK	cmyk(35.4%, 85.4%, 0%, 38%)
CIE-LAB	lab(29.17, 55.81, -56.25)
CIE-LCH	lch(29.17, 79.24, 314.77°)
OKLab	oklab(41.52% 0.113 -0.1604)
OKLCH	oklch(41.52% 0.196 305.2)
XYZ	xyz(11.9560, 5.9063, 32.8513)
Luminance	0.0591 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66179E #4F9E17

analogous

#22179E #66179E #9E1792

triadic

#66179E #9E6617 #179E66

tetradic

#66179E #9E2217 #4F9E17 #17929E

square

#66179E #9E2217 #4F9E17 #17929E

split-complementary

#66179E #929E17 #179E22

monochromatic

#210733 #440F69 #66179E #881FD3 #A54BE5

Accessibility & contrast

On white

9.63

#66179E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.18

#66179E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #66179E

9.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66179E	#FFFFFF	#000000	##FFFFFF
##66179E	1.00	9.63	2.18	9.63
#FFFFFF	9.63	1.00	21.00	1.00
#000000	2.18	21.00	1.00	21.00
##FFFFFF	9.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0043A1

Deuteranopia (green-blind)

#00459B

Tritanopia (blue-blind)

#5B3E5D

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #66179e;
/* rgb */ color: rgb(102, 23, 158);
/* oklch */ color: oklch(41.5% 0.196 305.2);

Tailwind

colors: {
  custom: {
    50: '#9861bc',
    500: '#66179e',
    950: '#000000',
  },
}

SCSS

$custom: #66179e;
$custom-light: #9861bc;
$custom-dark: #000000;

JSON

{
  "hex": "#66179e",
  "rgb": {
    "r": 102,
    "g": 23,
    "b": 158
  },
  "hsl": {
    "h": 275.111,
    "s": 74.586,
    "l": 35.49
  },
  "oklch": {
    "l": 0.4152,
    "c": 0.19623,
    "h": 305.2
  },
  "luminance": 0.05906
}

Semantic roles & 50–950 ramp

primary

#66179E

secondary

#7EC64A

accent

#F13784

background

#F9F6FB

surface

#F2EBF6

border

#CCC6D0

text

#0E0512

muted

#7E7A81

Preview Lab

Preview with #66179E

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

Preview Lab → · Contrast checker → · Palette generator →