#66189B#66189B

#66189B is a dark, vivid violet. Relative luminance 0.058; OKLCH L 41.3% C 0.193 H 306.0°. Best body text is #FFFFFF at 9.68:1 contrast (WCAG AA passes).

Color values

HEX	#66189B
RGB	rgb(102, 24, 155)
HSL	hsl(276, 73%, 35%)
HSV	hsv(276, 85%, 61%)
CMYK	cmyk(34.2%, 84.5%, 0%, 39.2%)
CIE-LAB	lab(29.02, 54.84, -54.68)
CIE-LCH	lch(29.02, 77.44, 315.08°)
OKLab	oklab(41.33% 0.1133 -0.1558)
OKLCH	oklch(41.33% 0.193 306)
XYZ	xyz(11.7212, 5.8447, 31.5146)
Luminance	0.0585 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66189B #4D9B18

analogous

#24189B #66189B #9B188E

triadic

#66189B #9B6618 #189B66

tetradic

#66189B #9B2418 #4D9B18 #188E9B

square

#66189B #9B2418 #4D9B18 #188E9B

split-complementary

#66189B #8E9B18 #189B24

monochromatic

#200831 #431066 #66189B #8920D0 #A54AE3

Accessibility & contrast

On white

9.68

#66189B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.17

#66189B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #66189B

9.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66189B	#FFFFFF	#000000	##FFFFFF
##66189B	1.00	9.68	2.17	9.68
#FFFFFF	9.68	1.00	21.00	1.00
#000000	2.17	21.00	1.00	21.00
##FFFFFF	9.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00429E

Deuteranopia (green-blind)

#004599

Tritanopia (blue-blind)

#5C3D5C

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #66189b;
/* rgb */ color: rgb(102, 24, 155);
/* oklch */ color: oklch(41.3% 0.193 306.0);

Tailwind

colors: {
  custom: {
    50: '#9761b9',
    500: '#66189b',
    950: '#000000',
  },
}

SCSS

$custom: #66189b;
$custom-light: #9761b9;
$custom-dark: #000000;

JSON

{
  "hex": "#66189b",
  "rgb": {
    "r": 102,
    "g": 24,
    "b": 155
  },
  "hsl": {
    "h": 275.725,
    "s": 73.184,
    "l": 35.098
  },
  "oklch": {
    "l": 0.4133,
    "c": 0.19265,
    "h": 306
  },
  "luminance": 0.05845
}

Semantic roles & 50–950 ramp

primary

#66189B

secondary

#7CC54A

accent

#F03882

background

#F9F6FB

surface

#F2EBF6

border

#CCC6D0

text

#0E0512

muted

#7E7A81

Preview Lab

Preview with #66189B

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

Preview Lab → · Contrast checker → · Palette generator →