#4B73E0#4B73E0

#4B73E0 is a mid, vivid blue. Relative luminance 0.191; OKLCH L 58.4% C 0.172 H 266.1°. Best body text is #000000 at 4.83:1 contrast (WCAG AA passes).

Color values

HEX	#4B73E0
RGB	rgb(75, 115, 224)
HSL	hsl(224, 71%, 59%)
HSV	hsv(224, 67%, 88%)
CMYK	cmyk(66.5%, 48.7%, 0%, 12.2%)
CIE-LAB	lab(50.85, 21.09, -59.80)
CIE-LCH	lch(50.85, 63.41, 289.42°)
OKLab	oklab(58.38% -0.0118 -0.1715)
OKLCH	oklch(58.38% 0.172 266.1)
XYZ	xyz(22.4823, 19.1370, 73.0155)
Luminance	0.1914 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B73E0 #E0B84B

analogous

#4BBDE0 #4B73E0 #6D4BE0

triadic

#4B73E0 #E04B73 #73E04B

tetradic

#4B73E0 #E04BBD #E0B84B #4BE06D

square

#4B73E0 #E04BBD #E0B84B #4BE06D

split-complementary

#4B73E0 #E06D4B #BDE04B

monochromatic

#1A3B97 #2350CB #4B73E0 #7F9CE9 #B3C4F2

Accessibility & contrast

On white

4.35

#4B73E0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.83

#4B73E0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4B73E0

4.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B73E0	#FFFFFF	#000000	##000000
##4B73E0	1.00	4.35	4.83	4.83
#FFFFFF	4.35	1.00	21.00	21.00
#000000	4.83	21.00	1.00	1.00
##000000	4.83	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#3780E4

Deuteranopia (green-blind)

#0B73DE

Tritanopia (blue-blind)

#008C9F

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #4b73e0;
/* rgb */ color: rgb(75, 115, 224);
/* oklch */ color: oklch(58.4% 0.172 266.1);

Tailwind

colors: {
  custom: {
    50: '#8d9aea',
    500: '#4b73e0',
    950: '#000000',
  },
}

SCSS

$custom: #4b73e0;
$custom-light: #8d9aea;
$custom-dark: #000000;

JSON

{
  "hex": "#4b73e0",
  "rgb": {
    "r": 75,
    "g": 115,
    "b": 224
  },
  "hsl": {
    "h": 223.893,
    "s": 70.616,
    "l": 58.627
  },
  "oklch": {
    "l": 0.58377,
    "c": 0.17186,
    "h": 266.1
  },
  "luminance": 0.19139
}

Semantic roles & 50–950 ramp

primary

#4B73E0

secondary

#E1D1A6

accent

#BD3AED

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0D0E16

muted

#7E7E84

Preview Lab

Preview with #4B73E0

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

Preview Lab → · Contrast checker → · Palette generator →