#4C63D9#4C63D9

#4C63D9 is a mid, vivid blue. Relative luminance 0.155; OKLCH L 54.8% C 0.182 H 270.9°. Best body text is #FFFFFF at 5.13:1 contrast (WCAG AA passes).

Color values

HEX	#4C63D9
RGB	rgb(76, 99, 217)
HSL	hsl(230, 65%, 57%)
HSV	hsv(230, 65%, 85%)
CMYK	cmyk(65%, 54.4%, 0%, 14.9%)
CIE-LAB	lab(46.27, 28.81, -63.23)
CIE-LCH	lch(46.27, 69.48, 294.50°)
OKLab	oklab(54.78% 0.0028 -0.1817)
OKLCH	oklch(54.78% 0.182 270.9)
XYZ	xyz(19.9625, 15.4681, 67.5658)
Luminance	0.1547 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4C63D9 #D9C24C

analogous

#4CA9D9 #4C63D9 #7C4CD9

triadic

#4C63D9 #D94C63 #63D94C

tetradic

#4C63D9 #D94CA9 #D9C24C #4CD97C

square

#4C63D9 #D94CA9 #D9C24C #4CD97C

split-complementary

#4C63D9 #D97C4C #A9D94C

monochromatic

#1E308D #2941BF #4C63D9 #7E8FE4 #B1BBEE

Accessibility & contrast

On white

5.13

#4C63D9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.09

#4C63D9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4C63D9

5.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4C63D9	#FFFFFF	#000000	##FFFFFF
##4C63D9	1.00	5.13	4.09	5.13
#FFFFFF	5.13	1.00	21.00	1.00
#000000	4.09	21.00	1.00	21.00
##FFFFFF	5.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0174DD

Deuteranopia (green-blind)

#0068D7

Tritanopia (blue-blind)

#007F94

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #4c63d9;
/* rgb */ color: rgb(76, 99, 217);
/* oklch */ color: oklch(54.8% 0.182 270.9);

Tailwind

colors: {
  custom: {
    50: '#8d8fe6',
    500: '#4c63d9',
    950: '#000000',
  },
}

SCSS

$custom: #4c63d9;
$custom-light: #8d8fe6;
$custom-dark: #000000;

JSON

{
  "hex": "#4c63d9",
  "rgb": {
    "r": 76,
    "g": 99,
    "b": 217
  },
  "hsl": {
    "h": 230.213,
    "s": 64.977,
    "l": 57.451
  },
  "oklch": {
    "l": 0.54779,
    "c": 0.18175,
    "h": 270.9
  },
  "luminance": 0.1547
}

Semantic roles & 50–950 ramp

primary

#4C63D9

secondary

#DDD4A4

accent

#CD40E8

background

#F9F8FE

surface

#F2F0FC

border

#CCCBD5

text

#0D0C16

muted

#7E7D84

Preview Lab

Preview with #4C63D9

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

Preview Lab → · Contrast checker → · Palette generator →