#6C66F7#6C66F7

#6C66F7 is a mid, highly saturated blue. Relative luminance 0.194; OKLCH L 59.6% C 0.210 H 279.8°. Best body text is #000000 at 4.88:1 contrast (WCAG AA passes).

Color values

HEX	#6C66F7
RGB	rgb(108, 102, 247)
HSL	hsl(242, 90%, 68%)
HSV	hsv(242, 59%, 97%)
CMYK	cmyk(56.3%, 58.7%, 0%, 3.1%)
CIE-LAB	lab(51.16, 42.11, -72.09)
CIE-LCH	lch(51.16, 83.49, 300.29°)
OKLab	oklab(59.61% 0.0356 -0.207)
OKLCH	oklch(59.61% 0.21 279.8)
XYZ	xyz(27.7189, 19.4044, 90.2624)
Luminance	0.1941 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6C66F7 #F1F766

analogous

#66A8F7 #6C66F7 #B466F7

triadic

#6C66F7 #F76C66 #66F76C

tetradic

#6C66F7 #F766A8 #F1F766 #66F7B4

square

#6C66F7 #F766A8 #F1F766 #66F7B4

split-complementary

#6C66F7 #F7B466 #A8F766

monochromatic

#140BD7 #342CF4 #6C66F7 #A4A0FA #DCDAFD

Accessibility & contrast

On white

4.30

#6C66F7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.88

#6C66F7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6C66F7

4.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6C66F7	#FFFFFF	#000000	##000000
##6C66F7	1.00	4.30	4.88	4.88
#FFFFFF	4.30	1.00	21.00	21.00
#000000	4.88	21.00	1.00	1.00
##000000	4.88	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#007FFC

Deuteranopia (green-blind)

#0074F4

Tritanopia (blue-blind)

#1C89A5

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #6c66f7;
/* rgb */ color: rgb(108, 102, 247);
/* oklch */ color: oklch(59.6% 0.210 279.8);

Tailwind

colors: {
  custom: {
    50: '#a192fb',
    500: '#6c66f7',
    950: '#000000',
  },
}

SCSS

$custom: #6c66f7;
$custom-light: #a192fb;
$custom-dark: #000000;

JSON

{
  "hex": "#6c66f7",
  "rgb": {
    "r": 108,
    "g": 102,
    "b": 247
  },
  "hsl": {
    "h": 242.483,
    "s": 90.062,
    "l": 68.431
  },
  "oklch": {
    "l": 0.59615,
    "c": 0.21001,
    "h": 279.8
  },
  "luminance": 0.19406
}

Semantic roles & 50–950 ramp

primary

#6C66F7

secondary

#F0F2C7

accent

#E600DC

background

#FAF9FF

surface

#F4F1FF

border

#CECBD7

text

#100D17

muted

#7F7E85

Preview Lab

Preview with #6C66F7

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

Preview Lab → · Contrast checker → · Palette generator →