#6B66F7#6B66F7

#6B66F7 is a mid, highly saturated blue. Relative luminance 0.193; OKLCH L 59.5% C 0.210 H 279.4°. Best body text is #000000 at 4.87:1 contrast (WCAG AA passes).

Color values

HEX	#6B66F7
RGB	rgb(107, 102, 247)
HSL	hsl(242, 90%, 68%)
HSV	hsv(242, 59%, 97%)
CMYK	cmyk(56.7%, 58.7%, 0%, 3.1%)
CIE-LAB	lab(51.09, 41.93, -72.21)
CIE-LCH	lch(51.09, 83.50, 300.14°)
OKLab	oklab(59.54% 0.0344 -0.2073)
OKLCH	oklch(59.54% 0.21 279.4)
XYZ	xyz(27.5980, 19.3421, 90.2568)
Luminance	0.1934 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6B66F7 #F2F766

analogous

#66A9F7 #6B66F7 #B366F7

triadic

#6B66F7 #F76B66 #66F76B

tetradic

#6B66F7 #F766A9 #F2F766 #66F7B3

square

#6B66F7 #F766A9 #F2F766 #66F7B3

split-complementary

#6B66F7 #F7B366 #A9F766

monochromatic

#120BD7 #332CF4 #6B66F7 #A3A0FA #DCDAFD

Accessibility & contrast

On white

4.31

#6B66F7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.87

#6B66F7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6B66F7

4.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6B66F7	#FFFFFF	#000000	##000000
##6B66F7	1.00	4.31	4.87	4.87
#FFFFFF	4.31	1.00	21.00	21.00
#000000	4.87	21.00	1.00	1.00
##000000	4.87	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#007FFC

Deuteranopia (green-blind)

#0074F4

Tritanopia (blue-blind)

#1689A5

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #6b66f7;
/* rgb */ color: rgb(107, 102, 247);
/* oklch */ color: oklch(59.5% 0.210 279.4);

Tailwind

colors: {
  custom: {
    50: '#a192fb',
    500: '#6b66f7',
    950: '#000000',
  },
}

SCSS

$custom: #6b66f7;
$custom-light: #a192fb;
$custom-dark: #000000;

JSON

{
  "hex": "#6b66f7",
  "rgb": {
    "r": 107,
    "g": 102,
    "b": 247
  },
  "hsl": {
    "h": 242.069,
    "s": 90.062,
    "l": 68.431
  },
  "oklch": {
    "l": 0.59543,
    "c": 0.21019,
    "h": 279.4
  },
  "luminance": 0.19344
}

Semantic roles & 50–950 ramp

primary

#6B66F7

secondary

#F1F2C7

accent

#E600DE

background

#FAF9FF

surface

#F4F1FF

border

#CECBD7

text

#100D17

muted

#7F7E85

Preview Lab

Preview with #6B66F7

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

Preview Lab → · Contrast checker → · Palette generator →