#6663FA#6663FA

#6663FA is a mid, highly saturated blue. Relative luminance 0.187; OKLCH L 58.9% C 0.219 H 278.2°. Best body text is #000000 at 4.73:1 contrast (WCAG AA passes).

Color values

HEX	#6663FA
RGB	rgb(102, 99, 250)
HSL	hsl(241, 94%, 68%)
HSV	hsv(241, 60%, 98%)
CMYK	cmyk(59.2%, 60.4%, 0%, 2%)
CIE-LAB	lab(50.27, 43.80, -75.22)
CIE-LCH	lch(50.27, 87.04, 300.21°)
OKLab	oklab(58.93% 0.0312 -0.2163)
OKLCH	oklch(58.93% 0.219 278.2)
XYZ	xyz(27.1911, 18.6486, 92.5906)
Luminance	0.1865 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6663FA #F7FA63

analogous

#63ABFA #6663FA #B163FA

triadic

#6663FA #FA6663 #63FA66

tetradic

#6663FA #FA63AB #F7FA63 #63FAB1

square

#6663FA #FA63AB #F7FA63 #63FAB1

split-complementary

#6663FA #FAB163 #ABFA63

monochromatic

#0B07DC #2C28F8 #6663FA #A09EFC #DADAFE

Accessibility & contrast

On white

4.44

#6663FA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.73

#6663FA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6663FA

4.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6663FA	#FFFFFF	#000000	##000000
##6663FA	1.00	4.44	4.73	4.73
#FFFFFF	4.44	1.00	21.00	21.00
#000000	4.73	21.00	1.00	1.00
##000000	4.73	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#007EFF

Deuteranopia (green-blind)

#0071F7

Tritanopia (blue-blind)

#0088A5

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #6663fa;
/* rgb */ color: rgb(102, 99, 250);
/* oklch */ color: oklch(58.9% 0.219 278.2);

Tailwind

colors: {
  custom: {
    50: '#9f90fd',
    500: '#6663fa',
    950: '#000000',
  },
}

SCSS

$custom: #6663fa;
$custom-light: #9f90fd;
$custom-dark: #000000;

JSON

{
  "hex": "#6663fa",
  "rgb": {
    "r": 102,
    "g": 99,
    "b": 250
  },
  "hsl": {
    "h": 241.192,
    "s": 93.789,
    "l": 68.431
  },
  "oklch": {
    "l": 0.58925,
    "c": 0.21856,
    "h": 278.2
  },
  "luminance": 0.18651
}

Semantic roles & 50–950 ramp

primary

#6663FA

secondary

#F2F3C6

accent

#E600E1

background

#FAF8FF

surface

#F4F0FF

border

#CECBD7

text

#100C18

muted

#7F7D86

Preview Lab

Preview with #6663FA

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

Preview Lab → · Contrast checker → · Palette generator →