#6C66F1#6C66F1

#6C66F1 is a mid, highly saturated blue. Relative luminance 0.190; OKLCH L 59.2% C 0.202 H 280.2°. Best body text is #000000 at 4.81:1 contrast (WCAG AA passes).

Color values

HEX	#6C66F1
RGB	rgb(108, 102, 241)
HSL	hsl(243, 83%, 67%)
HSV	hsv(243, 58%, 95%)
CMYK	cmyk(55.2%, 57.7%, 0%, 5.5%)
CIE-LAB	lab(50.73, 40.26, -69.43)
CIE-LCH	lch(50.73, 80.26, 300.11°)
OKLab	oklab(59.17% 0.0357 -0.1991)
OKLCH	oklch(59.17% 0.202 280.2)
XYZ	xyz(26.8079, 19.0400, 85.4645)
Luminance	0.1904 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6C66F1 #EBF166

analogous

#66A6F1 #6C66F1 #B266F1

triadic

#6C66F1 #F16C66 #66F16C

tetradic

#6C66F1 #F166A6 #EBF166 #66F1B2

square

#6C66F1 #F166A6 #EBF166 #66F1B2

split-complementary

#6C66F1 #F1B266 #A6F166

monochromatic

#1A12CA #362EEC #6C66F1 #A29EF6 #D8D6FB

Accessibility & contrast

On white

4.37

#6C66F1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.81

#6C66F1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6C66F1

4.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6C66F1	#FFFFFF	#000000	##000000
##6C66F1	1.00	4.37	4.81	4.81
#FFFFFF	4.37	1.00	21.00	21.00
#000000	4.81	21.00	1.00	1.00
##000000	4.81	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#007EF6

Deuteranopia (green-blind)

#0074EE

Tritanopia (blue-blind)

#2887A2

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #6c66f1;
/* rgb */ color: rgb(108, 102, 241);
/* oklch */ color: oklch(59.2% 0.202 280.2);

Tailwind

colors: {
  custom: {
    50: '#a192f7',
    500: '#6c66f1',
    950: '#000000',
  },
}

SCSS

$custom: #6c66f1;
$custom-light: #a192f7;
$custom-dark: #000000;

JSON

{
  "hex": "#6c66f1",
  "rgb": {
    "r": 108,
    "g": 102,
    "b": 241
  },
  "hsl": {
    "h": 242.59,
    "s": 83.234,
    "l": 67.255
  },
  "oklch": {
    "l": 0.59169,
    "c": 0.20232,
    "h": 280.2
  },
  "luminance": 0.19042
}

Semantic roles & 50–950 ramp

primary

#6C66F1

secondary

#EDEFC3

accent

#E006D6

background

#FAF9FF

surface

#F4F1FF

border

#CECBD7

text

#100D17

muted

#7F7E85

Preview Lab

Preview with #6C66F1

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

Preview Lab → · Contrast checker → · Palette generator →