#6B66F4#6B66F4

#6B66F4 is a mid, highly saturated blue. Relative luminance 0.192; OKLCH L 59.3% C 0.206 H 279.6°. Best body text is #000000 at 4.83:1 contrast (WCAG AA passes).

Color values

HEX	#6B66F4
RGB	rgb(107, 102, 244)
HSL	hsl(242, 87%, 68%)
HSV	hsv(242, 58%, 96%)
CMYK	cmyk(56.1%, 58.2%, 0%, 4.3%)
CIE-LAB	lab(50.87, 41.00, -70.89)
CIE-LCH	lch(50.87, 81.89, 300.05°)
OKLab	oklab(59.32% 0.0345 -0.2034)
OKLCH	oklch(59.32% 0.206 279.6)
XYZ	xyz(27.1388, 19.1584, 87.8383)
Luminance	0.1916 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6B66F4 #EFF466

analogous

#66A8F4 #6B66F4 #B266F4

triadic

#6B66F4 #F46B66 #66F46B

tetradic

#6B66F4 #F466A8 #EFF466 #66F4B2

square

#6B66F4 #F466A8 #EFF466 #66F4B2

split-complementary

#6B66F4 #F4B266 #A8F466

monochromatic

#160FD1 #342DF0 #6B66F4 #A29FF8 #D9D8FC

Accessibility & contrast

On white

4.35

#6B66F4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.83

#6B66F4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6B66F4

4.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6B66F4	#FFFFFF	#000000	##000000
##6B66F4	1.00	4.35	4.83	4.83
#FFFFFF	4.35	1.00	21.00	21.00
#000000	4.83	21.00	1.00	1.00
##000000	4.83	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#007FF9

Deuteranopia (green-blind)

#0074F1

Tritanopia (blue-blind)

#1E88A3

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #6b66f4;
/* rgb */ color: rgb(107, 102, 244);
/* oklch */ color: oklch(59.3% 0.206 279.6);

Tailwind

colors: {
  custom: {
    50: '#a192f9',
    500: '#6b66f4',
    950: '#000000',
  },
}

SCSS

$custom: #6b66f4;
$custom-light: #a192f9;
$custom-dark: #000000;

JSON

{
  "hex": "#6b66f4",
  "rgb": {
    "r": 107,
    "g": 102,
    "b": 244
  },
  "hsl": {
    "h": 242.113,
    "s": 86.585,
    "l": 67.843
  },
  "oklch": {
    "l": 0.59319,
    "c": 0.20635,
    "h": 279.6
  },
  "luminance": 0.1916
}

Semantic roles & 50–950 ramp

primary

#6B66F4

secondary

#EFF1C5

accent

#E302DB

background

#FAF9FF

surface

#F4F1FF

border

#CECBD7

text

#100D17

muted

#7F7E85

Preview Lab

Preview with #6B66F4

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

Preview Lab → · Contrast checker → · Palette generator →