#4B63D8#4B63D8

#4B63D8 is a mid, vivid blue. Relative luminance 0.154; OKLCH L 54.6% C 0.181 H 270.6°. Best body text is #FFFFFF at 5.15:1 contrast (WCAG AA passes).

Color values

HEX	#4B63D8
RGB	rgb(75, 99, 216)
HSL	hsl(230, 64%, 57%)
HSV	hsv(230, 65%, 85%)
CMYK	cmyk(65.3%, 54.2%, 0%, 15.3%)
CIE-LAB	lab(46.14, 28.31, -62.86)
CIE-LCH	lch(46.14, 68.94, 294.24°)
OKLab	oklab(54.65% 0.0018 -0.1807)
OKLCH	oklch(54.65% 0.181 270.6)
XYZ	xyz(19.7540, 15.3756, 66.8792)
Luminance	0.1538 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B63D8 #D8C04B

analogous

#4BAAD8 #4B63D8 #794BD8

triadic

#4B63D8 #D84B63 #63D84B

tetradic

#4B63D8 #D84BAA #D8C04B #4BD879

square

#4B63D8 #D84BAA #D8C04B #4BD879

split-complementary

#4B63D8 #D8794B #AAD84B

monochromatic

#1E318B #2942BD #4B63D8 #7D8FE3 #B0BAEE

Accessibility & contrast

On white

5.15

#4B63D8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.08

#4B63D8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4B63D8

5.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B63D8	#FFFFFF	#000000	##FFFFFF
##4B63D8	1.00	5.15	4.08	5.15
#FFFFFF	5.15	1.00	21.00	1.00
#000000	4.08	21.00	1.00	21.00
##FFFFFF	5.15	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: #4b63d8;
/* rgb */ color: rgb(75, 99, 216);
/* oklch */ color: oklch(54.6% 0.181 270.6);

Tailwind

colors: {
  custom: {
    50: '#8c8fe5',
    500: '#4b63d8',
    950: '#000000',
  },
}

SCSS

$custom: #4b63d8;
$custom-light: #8c8fe5;
$custom-dark: #000000;

JSON

{
  "hex": "#4b63d8",
  "rgb": {
    "r": 75,
    "g": 99,
    "b": 216
  },
  "hsl": {
    "h": 229.787,
    "s": 64.384,
    "l": 57.059
  },
  "oklch": {
    "l": 0.54649,
    "c": 0.18069,
    "h": 270.6
  },
  "luminance": 0.15377
}

Semantic roles & 50–950 ramp

primary

#4B63D8

secondary

#DCD2A3

accent

#CB40E7

background

#F9F8FE

surface

#F2F0FC

border

#CCCBD5

text

#0D0C16

muted

#7E7D84

Preview Lab

Preview with #4B63D8

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

Preview Lab → · Contrast checker → · Palette generator →