#6B66FB#6B66FB

#6B66FB is a mid, highly saturated blue. Relative luminance 0.196; OKLCH L 59.8% C 0.215 H 279.2°. Best body text is #000000 at 4.92:1 contrast (WCAG AA passes).

Color values

HEX	#6B66FB
RGB	rgb(107, 102, 251)
HSL	hsl(242, 95%, 69%)
HSV	hsv(242, 59%, 98%)
CMYK	cmyk(57.4%, 59.4%, 0%, 1.6%)
CIE-LAB	lab(51.37, 43.17, -73.97)
CIE-LCH	lch(51.37, 85.65, 300.27°)
OKLab	oklab(59.85% 0.0343 -0.2125)
OKLCH	oklch(59.85% 0.215 279.2)
XYZ	xyz(28.2218, 19.5916, 93.5425)
Luminance	0.1959 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6B66FB #F6FB66

analogous

#66ACFB #6B66FB #B566FB

triadic

#6B66FB #FB6B66 #66FB6B

tetradic

#6B66FB #FB66AC #F6FB66 #66FBB5

square

#6B66FB #FB66AC #F6FB66 #66FBB5

split-complementary

#6B66FB #FBB566 #ACFB66

monochromatic

#0D06E1 #312AF9 #6B66FB #A5A2FD #DEDDFE

Accessibility & contrast

On white

4.27

#6B66FB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.92

#6B66FB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6B66FB

4.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6B66FB	#FFFFFF	#000000	##000000
##6B66FB	1.00	4.27	4.92	4.92
#FFFFFF	4.27	1.00	21.00	21.00
#000000	4.92	21.00	1.00	1.00
##000000	4.92	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#0080FF

Deuteranopia (green-blind)

#0075F8

Tritanopia (blue-blind)

#068AA7

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #6b66fb;
/* rgb */ color: rgb(107, 102, 251);
/* oklch */ color: oklch(59.8% 0.215 279.2);

Tailwind

colors: {
  custom: {
    50: '#a292fe',
    500: '#6b66fb',
    950: '#000000',
  },
}

SCSS

$custom: #6b66fb;
$custom-light: #a292fe;
$custom-dark: #000000;

JSON

{
  "hex": "#6b66fb",
  "rgb": {
    "r": 107,
    "g": 102,
    "b": 251
  },
  "hsl": {
    "h": 242.013,
    "s": 94.904,
    "l": 69.216
  },
  "oklch": {
    "l": 0.59845,
    "c": 0.21526,
    "h": 279.2
  },
  "luminance": 0.19594
}

Semantic roles & 50–950 ramp

primary

#6B66FB

secondary

#F3F4C9

accent

#E600DE

background

#FAF9FF

surface

#F4F1FF

border

#CECBD7

text

#100D18

muted

#7F7E86

Preview Lab

Preview with #6B66FB

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

Preview Lab → · Contrast checker → · Palette generator →