#660FC5#660FC5

#660FC5 is a dark, highly saturated violet. Relative luminance 0.072; OKLCH L 44.7% C 0.237 H 295.4°. Best body text is #FFFFFF at 8.61:1 contrast (WCAG AA passes).

Color values

HEX	#660FC5
RGB	rgb(102, 15, 197)
HSL	hsl(269, 86%, 42%)
HSV	hsv(269, 92%, 77%)
CMYK	cmyk(48.2%, 92.4%, 0%, 22.7%)
CIE-LAB	lab(32.25, 66.51, -74.50)
CIE-LCH	lch(32.25, 99.87, 311.76°)
OKLab	oklab(44.75% 0.1014 -0.2138)
OKLCH	oklch(44.75% 0.237 295.4)
XYZ	xyz(15.7256, 7.1972, 53.3731)
Luminance	0.0720 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#660FC5 #6EC50F

analogous

#0F13C5 #660FC5 #C10FC5

triadic

#660FC5 #C5660F #0FC566

tetradic

#660FC5 #C50F13 #6EC50F #0FC5C1

square

#660FC5 #C50F13 #6EC50F #0FC5C1

split-complementary

#660FC5 #C5C10F #13C50F

monochromatic

#2B0653 #490B8C #660FC5 #8423EE #A45CF3

Accessibility & contrast

On white

8.61

#660FC5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.44

#660FC5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #660FC5

8.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##660FC5	#FFFFFF	#000000	##FFFFFF
##660FC5	1.00	8.61	2.44	8.61
#FFFFFF	8.61	1.00	21.00	1.00
#000000	2.44	21.00	1.00	21.00
##FFFFFF	8.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004DC9

Deuteranopia (green-blind)

#0049C2

Tritanopia (blue-blind)

#494E74

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #660fc5;
/* rgb */ color: rgb(102, 15, 197);
/* oklch */ color: oklch(44.7% 0.237 295.4);

Tailwind

colors: {
  custom: {
    50: '#9c61d8',
    500: '#660fc5',
    950: '#000000',
  },
}

SCSS

$custom: #660fc5;
$custom-light: #9c61d8;
$custom-dark: #000000;

JSON

{
  "hex": "#660fc5",
  "rgb": {
    "r": 102,
    "g": 15,
    "b": 197
  },
  "hsl": {
    "h": 268.681,
    "s": 85.849,
    "l": 41.569
  },
  "oklch": {
    "l": 0.44745,
    "c": 0.23665,
    "h": 295.4
  },
  "luminance": 0.07198
}

Semantic roles & 50–950 ramp

primary

#660FC5

secondary

#9BD65A

accent

#FC2C98

background

#FAF6FD

surface

#F4EBFB

border

#CEC6D4

text

#100615

muted

#7F7A83

Preview Lab

Preview with #660FC5

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

Preview Lab → · Contrast checker → · Palette generator →