#4B63D3#4B63D3

#4B63D3 is a mid, vivid blue. Relative luminance 0.151; OKLCH L 54.3% C 0.174 H 270.5°. Best body text is #FFFFFF at 5.22:1 contrast (WCAG AA passes).

Color values

HEX	#4B63D3
RGB	rgb(75, 99, 211)
HSL	hsl(229, 61%, 56%)
HSV	hsv(229, 64%, 83%)
CMYK	cmyk(64.5%, 53.1%, 0%, 17.3%)
CIE-LAB	lab(45.80, 26.58, -60.57)
CIE-LCH	lch(45.80, 66.14, 293.69°)
OKLab	oklab(54.28% 0.0015 -0.1739)
OKLCH	oklch(54.28% 0.174 270.5)
XYZ	xyz(19.1174, 15.1210, 63.5266)
Luminance	0.1512 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B63D3 #D3BB4B

analogous

#4BA7D3 #4B63D3 #774BD3

triadic

#4B63D3 #D34B63 #63D34B

tetradic

#4B63D3 #D34BA7 #D3BB4B #4BD377

square

#4B63D3 #D34BA7 #D3BB4B #4BD377

split-complementary

#4B63D3 #D3774B #A7D34B

monochromatic

#203283 #2C44B5 #4B63D3 #7C8EDF #ADB8EB

Accessibility & contrast

On white

5.22

#4B63D3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.02

#4B63D3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4B63D3

5.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B63D3	#FFFFFF	#000000	##FFFFFF
##4B63D3	1.00	5.22	4.02	5.22
#FFFFFF	5.22	1.00	21.00	1.00
#000000	4.02	21.00	1.00	21.00
##FFFFFF	5.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1773D7

Deuteranopia (green-blind)

#0067D1

Tritanopia (blue-blind)

#007D91

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #4b63d3;
/* rgb */ color: rgb(75, 99, 211);
/* oklch */ color: oklch(54.3% 0.174 270.5);

Tailwind

colors: {
  custom: {
    50: '#8b8fe1',
    500: '#4b63d3',
    950: '#000000',
  },
}

SCSS

$custom: #4b63d3;
$custom-light: #8b8fe1;
$custom-dark: #000000;

JSON

{
  "hex": "#4b63d3",
  "rgb": {
    "r": 75,
    "g": 99,
    "b": 211
  },
  "hsl": {
    "h": 229.412,
    "s": 60.714,
    "l": 56.078
  },
  "oklch": {
    "l": 0.5428,
    "c": 0.17394,
    "h": 270.5
  },
  "luminance": 0.15123
}

Semantic roles & 50–950 ramp

primary

#4B63D3

secondary

#D9CFA1

accent

#C844E4

background

#F9F8FD

surface

#F1F0FB

border

#CBCBD4

text

#0D0C15

muted

#7E7D83

Preview Lab

Preview with #4B63D3

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

Preview Lab → · Contrast checker → · Palette generator →