#6B66F8#6B66F8

#6B66F8 is a mid, highly saturated blue. Relative luminance 0.194; OKLCH L 59.6% C 0.211 H 279.4°. Best body text is #000000 at 4.88:1 contrast (WCAG AA passes).

Color values

HEX	#6B66F8
RGB	rgb(107, 102, 248)
HSL	hsl(242, 91%, 69%)
HSV	hsv(242, 59%, 97%)
CMYK	cmyk(56.9%, 58.9%, 0%, 2.7%)
CIE-LAB	lab(51.16, 42.24, -72.65)
CIE-LCH	lch(51.16, 84.04, 300.18°)
OKLab	oklab(59.62% 0.0344 -0.2086)
OKLCH	oklch(59.62% 0.211 279.4)
XYZ	xyz(27.7527, 19.4039, 91.0716)
Luminance	0.1941 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6B66F8 #F3F866

analogous

#66AAF8 #6B66F8 #B466F8

triadic

#6B66F8 #F86B66 #66F86B

tetradic

#6B66F8 #F866AA #F3F866 #66F8B4

square

#6B66F8 #F866AA #F3F866 #66F8B4

split-complementary

#6B66F8 #F8B466 #AAF866

monochromatic

#110ADA #322BF5 #6B66F8 #A4A1FB #DCDBFD

Accessibility & contrast

On white

4.30

#6B66F8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.88

#6B66F8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6B66F8

4.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6B66F8	#FFFFFF	#000000	##000000
##6B66F8	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)

#0080FD

Deuteranopia (green-blind)

#0074F5

Tritanopia (blue-blind)

#1389A5

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #6b66f8;
/* rgb */ color: rgb(107, 102, 248);
/* oklch */ color: oklch(59.6% 0.211 279.4);

Tailwind

colors: {
  custom: {
    50: '#a192fb',
    500: '#6b66f8',
    950: '#000000',
  },
}

SCSS

$custom: #6b66f8;
$custom-light: #a192fb;
$custom-dark: #000000;

JSON

{
  "hex": "#6b66f8",
  "rgb": {
    "r": 107,
    "g": 102,
    "b": 248
  },
  "hsl": {
    "h": 242.055,
    "s": 91.25,
    "l": 68.627
  },
  "oklch": {
    "l": 0.59619,
    "c": 0.21146,
    "h": 279.4
  },
  "luminance": 0.19406
}

Semantic roles & 50–950 ramp

primary

#6B66F8

secondary

#F1F3C7

accent

#E600DE

background

#FAF9FF

surface

#F4F1FF

border

#CECBD7

text

#100D18

muted

#7F7E86

Preview Lab

Preview with #6B66F8

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

Preview Lab → · Contrast checker → · Palette generator →