#6363F3#6363F3

#6363F3 is a mid, highly saturated blue. Relative luminance 0.180; OKLCH L 58.2% C 0.210 H 277.6°. Best body text is #000000 at 4.61:1 contrast (WCAG AA passes).

Color values

HEX	#6363F3
RGB	rgb(99, 99, 243)
HSL	hsl(240, 86%, 67%)
HSV	hsv(240, 59%, 95%)
CMYK	cmyk(59.3%, 59.3%, 0%, 4.7%)
CIE-LAB	lab(49.55, 41.11, -72.50)
CIE-LCH	lch(49.55, 83.34, 299.55°)
OKLab	oklab(58.18% 0.0279 -0.2084)
OKLCH	oklch(58.18% 0.21 277.6)
XYZ	xyz(25.7799, 18.0455, 86.9013)
Luminance	0.1805 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6363F3 #F3F363

analogous

#63ABF3 #6363F3 #AB63F3

triadic

#6363F3 #F36363 #63F363

tetradic

#6363F3 #F363AB #F3F363 #63F3AB

square

#6363F3 #F363AB #F3F363 #63F3AB

split-complementary

#6363F3 #F3AB63 #ABF363

monochromatic

#1010CC #2A2AEF #6363F3 #9C9CF7 #D5D5FC

Accessibility & contrast

On white

4.56

#6363F3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.61

#6363F3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6363F3

4.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6363F3	#FFFFFF	#000000	##000000
##6363F3	1.00	4.56	4.61	4.61
#FFFFFF	4.56	1.00	21.00	21.00
#000000	4.61	21.00	1.00	1.00
##000000	4.61	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#007CF8

Deuteranopia (green-blind)

#0070F0

Tritanopia (blue-blind)

#0086A2

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #6363f3;
/* rgb */ color: rgb(99, 99, 243);
/* oklch */ color: oklch(58.2% 0.210 277.6);

Tailwind

colors: {
  custom: {
    50: '#9c8ff8',
    500: '#6363f3',
    950: '#000000',
  },
}

SCSS

$custom: #6363f3;
$custom-light: #9c8ff8;
$custom-dark: #000000;

JSON

{
  "hex": "#6363f3",
  "rgb": {
    "r": 99,
    "g": 99,
    "b": 243
  },
  "hsl": {
    "h": 240,
    "s": 85.714,
    "l": 67.059
  },
  "oklch": {
    "l": 0.58179,
    "c": 0.21028,
    "h": 277.6
  },
  "luminance": 0.18047
}

Semantic roles & 50–950 ramp

primary

#6363F3

secondary

#F0F0C2

accent

#E203E2

background

#FAF8FF

surface

#F4F0FF

border

#CECBD7

text

#0F0C17

muted

#7F7D85

Preview Lab

Preview with #6363F3

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

Preview Lab → · Contrast checker → · Palette generator →