#4C63BE#4C63BE

#4C63BE is a mid, vivid blue. Relative luminance 0.142; OKLCH L 52.9% C 0.145 H 270.2°. Best body text is #FFFFFF at 5.48:1 contrast (WCAG AA passes).

Color values

HEX	#4C63BE
RGB	rgb(76, 99, 190)
HSL	hsl(228, 47%, 52%)
HSV	hsv(228, 60%, 75%)
CMYK	cmyk(60%, 47.9%, 0%, 25.5%)
CIE-LAB	lab(44.48, 19.52, -50.59)
CIE-LCH	lch(44.48, 54.23, 291.10°)
OKLab	oklab(52.86% 0.0004 -0.1446)
OKLCH	oklch(52.86% 0.145 270.2)
XYZ	xyz(16.7335, 14.1765, 50.5597)
Luminance	0.1418 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4C63BE #BEA74C

analogous

#4C9CBE #4C63BE #6E4CBE

triadic

#4C63BE #BE4C63 #63BE4C

tetradic

#4C63BE #BE4C9C #BEA74C #4CBE6E

square

#4C63BE #BE4C9C #BEA74C #4CBE6E

split-complementary

#4C63BE #BE6E4C #9CBE4C

monochromatic

#263469 #374A96 #4C63BE #798ACE #A6B1DF

Accessibility & contrast

On white

5.48

#4C63BE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.84

#4C63BE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4C63BE

5.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4C63BE	#FFFFFF	#000000	##FFFFFF
##4C63BE	1.00	5.48	3.84	5.48
#FFFFFF	5.48	1.00	21.00	1.00
#000000	3.84	21.00	1.00	21.00
##FFFFFF	5.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#366FC1

Deuteranopia (green-blind)

#2364BC

Tritanopia (blue-blind)

#007887

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #4c63be;
/* rgb */ color: rgb(76, 99, 190);
/* oklch */ color: oklch(52.9% 0.145 270.2);

Tailwind

colors: {
  custom: {
    50: '#888fd2',
    500: '#4c63be',
    950: '#000000',
  },
}

SCSS

$custom: #4c63be;
$custom-light: #888fd2;
$custom-dark: #000000;

JSON

{
  "hex": "#4c63be",
  "rgb": {
    "r": 76,
    "g": 99,
    "b": 190
  },
  "hsl": {
    "h": 227.895,
    "s": 46.721,
    "l": 52.157
  },
  "oklch": {
    "l": 0.52862,
    "c": 0.14455,
    "h": 270.2
  },
  "luminance": 0.14178
}

Semantic roles & 50–950 ramp

primary

#4C63BE

secondary

#CCC29A

accent

#BC51D6

background

#F8F8FD

surface

#F0F0FA

border

#CBCBD3

text

#0C0C14

muted

#7D7D83

Preview Lab

Preview with #4C63BE

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

Preview Lab → · Contrast checker → · Palette generator →