#6B66F9#6B66F9

#6B66F9 is a mid, highly saturated blue. Relative luminance 0.195; OKLCH L 59.7% C 0.213 H 279.3°. Best body text is #000000 at 4.89:1 contrast (WCAG AA passes).

Color values

HEX	#6B66F9
RGB	rgb(107, 102, 249)
HSL	hsl(242, 92%, 69%)
HSV	hsv(242, 59%, 98%)
CMYK	cmyk(57%, 59%, 0%, 2.4%)
CIE-LAB	lab(51.23, 42.55, -73.09)
CIE-LCH	lch(51.23, 84.58, 300.21°)
OKLab	oklab(59.69% 0.0344 -0.2099)
OKLCH	oklch(59.69% 0.213 279.3)
XYZ	xyz(27.9082, 19.4662, 91.8909)
Luminance	0.1947 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6B66F9 #F4F966

analogous

#66ABF9 #6B66F9 #B566F9

triadic

#6B66F9 #F96B66 #66F96B

tetradic

#6B66F9 #F966AB #F4F966 #66F9B5

square

#6B66F9 #F966AB #F4F966 #66F9B5

split-complementary

#6B66F9 #F9B566 #ABF966

monochromatic

#1009DC #322BF7 #6B66F9 #A4A1FB #DDDCFE

Accessibility & contrast

On white

4.29

#6B66F9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.89

#6B66F9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6B66F9

4.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6B66F9	#FFFFFF	#000000	##000000
##6B66F9	1.00	4.29	4.89	4.89
#FFFFFF	4.29	1.00	21.00	21.00
#000000	4.89	21.00	1.00	1.00
##000000	4.89	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#0080FE

Deuteranopia (green-blind)

#0074F6

Tritanopia (blue-blind)

#1089A6

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #6b66f9;
/* rgb */ color: rgb(107, 102, 249);
/* oklch */ color: oklch(59.7% 0.213 279.3);

Tailwind

colors: {
  custom: {
    50: '#a192fc',
    500: '#6b66f9',
    950: '#000000',
  },
}

SCSS

$custom: #6b66f9;
$custom-light: #a192fc;
$custom-dark: #000000;

JSON

{
  "hex": "#6b66f9",
  "rgb": {
    "r": 107,
    "g": 102,
    "b": 249
  },
  "hsl": {
    "h": 242.041,
    "s": 92.453,
    "l": 68.824
  },
  "oklch": {
    "l": 0.59694,
    "c": 0.21272,
    "h": 279.3
  },
  "luminance": 0.19468
}

Semantic roles & 50–950 ramp

primary

#6B66F9

secondary

#F2F3C8

accent

#E600DE

background

#FAF9FF

surface

#F4F1FF

border

#CECBD7

text

#100D18

muted

#7F7E86

Preview Lab

Preview with #6B66F9

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

Preview Lab → · Contrast checker → · Palette generator →