#66176B#66176B

#66176B is a dark, vivid purple. Relative luminance 0.045; OKLCH L 37.5% C 0.150 H 325.4°. Best body text is #FFFFFF at 11.05:1 contrast (WCAG AA passes).

Color values

HEX	#66176B
RGB	rgb(102, 23, 107)
HSL	hsl(296, 65%, 25%)
HSV	hsv(296, 79%, 42%)
CMYK	cmyk(4.7%, 78.5%, 0%, 58%)
CIE-LAB	lab(25.26, 45.22, -30.60)
CIE-LCH	lch(25.26, 54.60, 325.92°)
OKLab	oklab(37.55% 0.1235 -0.0852)
OKLCH	oklch(37.55% 0.15 325.4)
XYZ	xyz(8.4395, 4.4997, 14.3311)
Luminance	0.0450 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Royal Purple (survey)

#4B006E

ΔE00 7.25

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66176B #1C6B17

analogous

#3C176B #66176B #6B1746

triadic

#66176B #6B6617 #176B66

tetradic

#66176B #6B3C17 #1C6B17 #17466B

square

#66176B #6B3C17 #1C6B17 #17466B

split-complementary

#66176B #466B17 #176B3C

monochromatic

#180519 #360C39 #66176B #96229D #C62DD0

Accessibility & contrast

On white

11.05

#66176B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.90

#66176B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #66176B

11.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66176B	#FFFFFF	#000000	##FFFFFF
##66176B	1.00	11.05	1.90	11.05
#FFFFFF	11.05	1.00	21.00	1.00
#000000	1.90	21.00	1.00	21.00
##FFFFFF	11.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00366D

Deuteranopia (green-blind)

#2A3F69

Tritanopia (blue-blind)

#692640

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #66176b;
/* rgb */ color: rgb(102, 23, 107);
/* oklch */ color: oklch(37.5% 0.150 325.4);

Tailwind

colors: {
  custom: {
    50: '#955e96',
    500: '#66176b',
    950: '#000000',
  },
}

SCSS

$custom: #66176b;
$custom-light: #955e96;
$custom-dark: #000000;

JSON

{
  "hex": "#66176b",
  "rgb": {
    "r": 102,
    "g": 23,
    "b": 107
  },
  "hsl": {
    "h": 296.429,
    "s": 64.615,
    "l": 25.49
  },
  "oklch": {
    "l": 0.37545,
    "c": 0.15002,
    "h": 325.4
  },
  "luminance": 0.04499
}

Semantic roles & 50–950 ramp

primary

#66176B

secondary

#43A13D

accent

#E8404A

background

#F9F5F9

surface

#F2E9F2

border

#CCC5CC

text

#0E050D

muted

#7E797E

Preview Lab

Preview with #66176B

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

Preview Lab → · Contrast checker → · Palette generator →