#4B63E0#4B63E0

#4B63E0 is a mid, vivid blue. Relative luminance 0.158; OKLCH L 55.3% C 0.191 H 270.6°. Best body text is #FFFFFF at 5.05:1 contrast (WCAG AA passes).

Color values

HEX	#4B63E0
RGB	rgb(75, 99, 224)
HSL	hsl(230, 71%, 59%)
HSV	hsv(230, 67%, 88%)
CMYK	cmyk(66.5%, 55.8%, 0%, 12.2%)
CIE-LAB	lab(46.71, 31.07, -66.49)
CIE-LCH	lch(46.71, 73.39, 295.05°)
OKLab	oklab(55.25% 0.0021 -0.1913)
OKLCH	oklch(55.25% 0.191 270.6)
XYZ	xyz(20.8135, 15.7994, 72.4593)
Luminance	0.1580 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B63E0 #E0C84B

analogous

#4BADE0 #4B63E0 #7D4BE0

triadic

#4B63E0 #E04B63 #63E04B

tetradic

#4B63E0 #E04BAD #E0C84B #4BE07D

square

#4B63E0 #E04BAD #E0C84B #4BE07D

split-complementary

#4B63E0 #E07D4B #ADE04B

monochromatic

#1A2E97 #233ECB #4B63E0 #7F90E9 #B3BDF2

Accessibility & contrast

On white

5.05

#4B63E0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.16

#4B63E0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4B63E0

5.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B63E0	#FFFFFF	#000000	##FFFFFF
##4B63E0	1.00	5.05	4.16	5.05
#FFFFFF	5.05	1.00	21.00	1.00
#000000	4.16	21.00	1.00	21.00
##FFFFFF	5.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0076E4

Deuteranopia (green-blind)

#0068DD

Tritanopia (blue-blind)

#008198

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #4b63e0;
/* rgb */ color: rgb(75, 99, 224);
/* oklch */ color: oklch(55.3% 0.191 270.6);

Tailwind

colors: {
  custom: {
    50: '#8d8feb',
    500: '#4b63e0',
    950: '#000000',
  },
}

SCSS

$custom: #4b63e0;
$custom-light: #8d8feb;
$custom-dark: #000000;

JSON

{
  "hex": "#4b63e0",
  "rgb": {
    "r": 75,
    "g": 99,
    "b": 224
  },
  "hsl": {
    "h": 230.336,
    "s": 70.616,
    "l": 58.627
  },
  "oklch": {
    "l": 0.55252,
    "c": 0.19136,
    "h": 270.6
  },
  "luminance": 0.15801
}

Semantic roles & 50–950 ramp

primary

#4B63E0

secondary

#E1D7A6

accent

#D13AED

background

#F9F8FE

surface

#F2F0FD

border

#CCCBD5

text

#0E0C16

muted

#7E7D84

Preview Lab

Preview with #4B63E0

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

Preview Lab → · Contrast checker → · Palette generator →