#6663FD#6663FD

#6663FD is a mid, highly saturated blue. Relative luminance 0.188; OKLCH L 59.2% C 0.222 H 278.0°. Best body text is #000000 at 4.77:1 contrast (WCAG AA passes).

Color values

HEX	#6663FD
RGB	rgb(102, 99, 253)
HSL	hsl(241, 97%, 69%)
HSV	hsv(241, 61%, 99%)
CMYK	cmyk(59.7%, 60.9%, 0%, 0.8%)
CIE-LAB	lab(50.50, 44.74, -76.52)
CIE-LCH	lch(50.50, 88.64, 300.31°)
OKLab	oklab(59.16% 0.031 -0.2202)
OKLCH	oklch(59.16% 0.222 278)
XYZ	xyz(27.6653, 18.8382, 95.0877)
Luminance	0.1884 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6663FD #FAFD63

analogous

#63ADFD #6663FD #B363FD

triadic

#6663FD #FD6663 #63FD66

tetradic

#6663FD #FD63AD #FAFD63 #63FDB3

square

#6663FD #FD63AD #FAFD63 #63FDB3

split-complementary

#6663FD #FDB363 #ADFD63

monochromatic

#0703E3 #2B27FC #6663FD #A19FFE #DDDCFF

Accessibility & contrast

On white

4.40

#6663FD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.77

#6663FD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6663FD

4.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6663FD	#FFFFFF	#000000	##000000
##6663FD	1.00	4.40	4.77	4.77
#FFFFFF	4.40	1.00	21.00	21.00
#000000	4.77	21.00	1.00	1.00
##000000	4.77	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#007FFF

Deuteranopia (green-blind)

#0072FA

Tritanopia (blue-blind)

#0089A7

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #6663fd;
/* rgb */ color: rgb(102, 99, 253);
/* oklch */ color: oklch(59.2% 0.222 278.0);

Tailwind

colors: {
  custom: {
    50: '#9f90ff',
    500: '#6663fd',
    950: '#000000',
  },
}

SCSS

$custom: #6663fd;
$custom-light: #9f90ff;
$custom-dark: #000000;

JSON

{
  "hex": "#6663fd",
  "rgb": {
    "r": 102,
    "g": 99,
    "b": 253
  },
  "hsl": {
    "h": 241.169,
    "s": 97.468,
    "l": 69.02
  },
  "oklch": {
    "l": 0.59159,
    "c": 0.22233,
    "h": 278
  },
  "luminance": 0.1884
}

Semantic roles & 50–950 ramp

primary

#6663FD

secondary

#F4F4C7

accent

#E600E1

background

#FAF8FF

surface

#F4F0FF

border

#CECBD7

text

#100C18

muted

#7F7D86

Preview Lab

Preview with #6663FD

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

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