#6B66FC#6B66FC

#6B66FC is a mid, highly saturated blue. Relative luminance 0.197; OKLCH L 59.9% C 0.217 H 279.1°. Best body text is #000000 at 4.93:1 contrast (WCAG AA passes).

Color values

HEX	#6B66FC
RGB	rgb(107, 102, 252)
HSL	hsl(242, 96%, 69%)
HSV	hsv(242, 60%, 99%)
CMYK	cmyk(57.5%, 59.5%, 0%, 1.2%)
CIE-LAB	lab(51.44, 43.48, -74.41)
CIE-LCH	lch(51.44, 86.18, 300.30°)
OKLab	oklab(59.92% 0.0343 -0.2138)
OKLCH	oklch(59.92% 0.217 279.1)
XYZ	xyz(28.3799, 19.6548, 94.3749)
Luminance	0.1966 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6B66FC #F7FC66

analogous

#66ACFC #6B66FC #B666FC

triadic

#6B66FC #FC6B66 #66FC6B

tetradic

#6B66FC #FC66AC #F7FC66 #66FCB6

square

#6B66FC #FC66AC #F7FC66 #66FCB6

split-complementary

#6B66FC #FCB666 #ACFC66

monochromatic

#0C04E3 #312AFB #6B66FC #A5A2FD #DFDEFE

Accessibility & contrast

On white

4.26

#6B66FC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.93

#6B66FC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6B66FC

4.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6B66FC	#FFFFFF	#000000	##000000
##6B66FC	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)

#0081FF

Deuteranopia (green-blind)

#0075F9

Tritanopia (blue-blind)

#018AA7

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #6b66fc;
/* rgb */ color: rgb(107, 102, 252);
/* oklch */ color: oklch(59.9% 0.217 279.1);

Tailwind

colors: {
  custom: {
    50: '#a292fe',
    500: '#6b66fc',
    950: '#000000',
  },
}

SCSS

$custom: #6b66fc;
$custom-light: #a292fe;
$custom-dark: #000000;

JSON

{
  "hex": "#6b66fc",
  "rgb": {
    "r": 107,
    "g": 102,
    "b": 252
  },
  "hsl": {
    "h": 242,
    "s": 96.154,
    "l": 69.412
  },
  "oklch": {
    "l": 0.59921,
    "c": 0.21653,
    "h": 279.1
  },
  "luminance": 0.19657
}

Semantic roles & 50–950 ramp

primary

#6B66FC

secondary

#F3F5C9

accent

#E600DE

background

#FAF9FF

surface

#F4F1FF

border

#CECBD7

text

#100D18

muted

#7F7E86

Preview Lab

Preview with #6B66FC

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

Preview Lab → · Contrast checker → · Palette generator →