#6C66FB#6C66FB

#6C66FB is a mid, highly saturated blue. Relative luminance 0.197; OKLCH L 59.9% C 0.215 H 279.5°. Best body text is #000000 at 4.93:1 contrast (WCAG AA passes).

Color values

HEX	#6C66FB
RGB	rgb(108, 102, 251)
HSL	hsl(242, 95%, 69%)
HSV	hsv(242, 59%, 98%)
CMYK	cmyk(57%, 59.4%, 0%, 1.6%)
CIE-LAB	lab(51.44, 43.34, -73.85)
CIE-LCH	lch(51.44, 85.63, 300.41°)
OKLab	oklab(59.92% 0.0355 -0.2121)
OKLCH	oklch(59.92% 0.215 279.5)
XYZ	xyz(28.3428, 19.6540, 93.5481)
Luminance	0.1966 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6C66FB #F5FB66

analogous

#66ABFB #6C66FB #B766FB

triadic

#6C66FB #FB6C66 #66FB6C

tetradic

#6C66FB #FB66AB #F5FB66 #66FBB7

square

#6C66FB #FB66AB #F5FB66 #66FBB7

split-complementary

#6C66FB #FBB766 #ABFB66

monochromatic

#0F06E1 #332AF9 #6C66FB #A5A2FD #DFDDFE

Accessibility & contrast

On white

4.26

#6C66FB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.93

#6C66FB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6C66FB

4.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6C66FB	#FFFFFF	#000000	##000000
##6C66FB	1.00	4.26	4.93	4.93
#FFFFFF	4.26	1.00	21.00	21.00
#000000	4.93	21.00	1.00	1.00
##000000	4.93	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#0080FF

Deuteranopia (green-blind)

#0075F8

Tritanopia (blue-blind)

#118AA7

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #6c66fb;
/* rgb */ color: rgb(108, 102, 251);
/* oklch */ color: oklch(59.9% 0.215 279.5);

Tailwind

colors: {
  custom: {
    50: '#a292fe',
    500: '#6c66fb',
    950: '#000000',
  },
}

SCSS

$custom: #6c66fb;
$custom-light: #a292fe;
$custom-dark: #000000;

JSON

{
  "hex": "#6c66fb",
  "rgb": {
    "r": 108,
    "g": 102,
    "b": 251
  },
  "hsl": {
    "h": 242.416,
    "s": 94.904,
    "l": 69.216
  },
  "oklch": {
    "l": 0.59916,
    "c": 0.21508,
    "h": 279.5
  },
  "luminance": 0.19656
}

Semantic roles & 50–950 ramp

primary

#6C66FB

secondary

#F2F4C9

accent

#E600DC

background

#FAF9FF

surface

#F4F1FF

border

#CECBD7

text

#100D18

muted

#7F7E86

Preview Lab

Preview with #6C66FB

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

Preview Lab → · Contrast checker → · Palette generator →