#66199B#66199B

#66199B is a dark, vivid violet. Relative luminance 0.059; OKLCH L 41.4% C 0.192 H 305.9°. Best body text is #FFFFFF at 9.64:1 contrast (WCAG AA passes).

Color values

HEX	#66199B
RGB	rgb(102, 25, 155)
HSL	hsl(276, 72%, 35%)
HSV	hsv(276, 84%, 61%)
CMYK	cmyk(34.2%, 83.9%, 0%, 39.2%)
CIE-LAB	lab(29.12, 54.52, -54.50)
CIE-LCH	lch(29.12, 77.09, 315.01°)
OKLab	oklab(41.4% 0.1126 -0.1553)
OKLCH	oklch(41.4% 0.192 305.9)
XYZ	xyz(11.7422, 5.8867, 31.5216)
Luminance	0.0589 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66199B #4E9B19

analogous

#25199B #66199B #9B198F

triadic

#66199B #9B6619 #199B66

tetradic

#66199B #9B2519 #4E9B19 #198F9B

square

#66199B #9B2519 #4E9B19 #198F9B

split-complementary

#66199B #8F9B19 #199B25

monochromatic

#210832 #431166 #66199B #8922D0 #A54CE2

Accessibility & contrast

On white

9.64

#66199B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.18

#66199B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #66199B

9.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66199B	#FFFFFF	#000000	##FFFFFF
##66199B	1.00	9.64	2.18	9.64
#FFFFFF	9.64	1.00	21.00	1.00
#000000	2.18	21.00	1.00	21.00
##FFFFFF	9.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00439E

Deuteranopia (green-blind)

#004599

Tritanopia (blue-blind)

#5C3D5C

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #66199b;
/* rgb */ color: rgb(102, 25, 155);
/* oklch */ color: oklch(41.4% 0.192 305.9);

Tailwind

colors: {
  custom: {
    50: '#9761b9',
    500: '#66199b',
    950: '#000000',
  },
}

SCSS

$custom: #66199b;
$custom-light: #9761b9;
$custom-dark: #000000;

JSON

{
  "hex": "#66199b",
  "rgb": {
    "r": 102,
    "g": 25,
    "b": 155
  },
  "hsl": {
    "h": 275.538,
    "s": 72.222,
    "l": 35.294
  },
  "oklch": {
    "l": 0.41405,
    "c": 0.19184,
    "h": 305.9
  },
  "luminance": 0.05887
}

Semantic roles & 50–950 ramp

primary

#66199B

secondary

#7DC44C

accent

#EF3983

background

#F9F6FB

surface

#F2EBF6

border

#CCC6D0

text

#0E0612

muted

#7E7A81

Preview Lab

Preview with #66199B

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

Preview Lab → · Contrast checker → · Palette generator →