#4C63D8#4C63D8

#4C63D8 is a mid, vivid blue. Relative luminance 0.154; OKLCH L 54.7% C 0.180 H 270.9°. Best body text is #FFFFFF at 5.14:1 contrast (WCAG AA passes).

Color values

HEX	#4C63D8
RGB	rgb(76, 99, 216)
HSL	hsl(230, 64%, 57%)
HSV	hsv(230, 65%, 85%)
CMYK	cmyk(64.8%, 54.2%, 0%, 15.3%)
CIE-LAB	lab(46.20, 28.46, -62.77)
CIE-LCH	lch(46.20, 68.92, 294.39°)
OKLab	oklab(54.71% 0.0028 -0.1804)
OKLCH	oklch(54.71% 0.18 270.9)
XYZ	xyz(19.8328, 15.4163, 66.8829)
Luminance	0.1542 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4C63D8 #D8C14C

analogous

#4CA9D8 #4C63D8 #7B4CD8

triadic

#4C63D8 #D84C63 #63D84C

tetradic

#4C63D8 #D84CA9 #D8C14C #4CD87B

square

#4C63D8 #D84CA9 #D8C14C #4CD87B

split-complementary

#4C63D8 #D87B4C #A9D84C

monochromatic

#1E308B #2942BE #4C63D8 #7E8FE3 #B1BBEE

Accessibility & contrast

On white

5.14

#4C63D8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.08

#4C63D8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4C63D8

5.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4C63D8	#FFFFFF	#000000	##FFFFFF
##4C63D8	1.00	5.14	4.08	5.14
#FFFFFF	5.14	1.00	21.00	1.00
#000000	4.08	21.00	1.00	21.00
##FFFFFF	5.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0574DC

Deuteranopia (green-blind)

#0067D6

Tritanopia (blue-blind)

#007F94

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #4c63d8;
/* rgb */ color: rgb(76, 99, 216);
/* oklch */ color: oklch(54.7% 0.180 270.9);

Tailwind

colors: {
  custom: {
    50: '#8c8fe5',
    500: '#4c63d8',
    950: '#000000',
  },
}

SCSS

$custom: #4c63d8;
$custom-light: #8c8fe5;
$custom-dark: #000000;

JSON

{
  "hex": "#4c63d8",
  "rgb": {
    "r": 76,
    "g": 99,
    "b": 216
  },
  "hsl": {
    "h": 230.143,
    "s": 64.22,
    "l": 57.255
  },
  "oklch": {
    "l": 0.54705,
    "c": 0.18041,
    "h": 270.9
  },
  "luminance": 0.15418
}

Semantic roles & 50–950 ramp

primary

#4C63D8

secondary

#DCD3A4

accent

#CC41E7

background

#F9F8FE

surface

#F2F0FC

border

#CCCBD5

text

#0D0C16

muted

#7E7D84

Preview Lab

Preview with #4C63D8

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

Preview Lab → · Contrast checker → · Palette generator →