#4B73E1#4B73E1

#4B73E1 is a mid, vivid blue. Relative luminance 0.192; OKLCH L 58.4% C 0.173 H 266.1°. Best body text is #000000 at 4.84:1 contrast (WCAG AA passes).

Color values

HEX	#4B73E1
RGB	rgb(75, 115, 225)
HSL	hsl(224, 71%, 59%)
HSV	hsv(224, 67%, 88%)
CMYK	cmyk(66.7%, 48.9%, 0%, 11.8%)
CIE-LAB	lab(50.91, 21.44, -60.27)
CIE-LCH	lch(50.91, 63.97, 289.58°)
OKLab	oklab(58.45% -0.0117 -0.1728)
OKLCH	oklch(58.45% 0.173 266.1)
XYZ	xyz(22.6183, 19.1914, 73.7319)
Luminance	0.1919 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B73E1 #E1B94B

analogous

#4BBEE1 #4B73E1 #6E4BE1

triadic

#4B73E1 #E14B73 #73E14B

tetradic

#4B73E1 #E14BBE #E1B94B #4BE16E

square

#4B73E1 #E14BBE #E1B94B #4BE16E

split-complementary

#4B73E1 #E16E4B #BEE14B

monochromatic

#193B98 #2250CD #4B73E1 #7F9CEA #B4C5F2

Accessibility & contrast

On white

4.34

#4B73E1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.84

#4B73E1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4B73E1

4.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B73E1	#FFFFFF	#000000	##000000
##4B73E1	1.00	4.34	4.84	4.84
#FFFFFF	4.34	1.00	21.00	21.00
#000000	4.84	21.00	1.00	1.00
##000000	4.84	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#3680E5

Deuteranopia (green-blind)

#0673DF

Tritanopia (blue-blind)

#008D9F

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #4b73e1;
/* rgb */ color: rgb(75, 115, 225);
/* oklch */ color: oklch(58.4% 0.173 266.1);

Tailwind

colors: {
  custom: {
    50: '#8d9aeb',
    500: '#4b73e1',
    950: '#000000',
  },
}

SCSS

$custom: #4b73e1;
$custom-light: #8d9aeb;
$custom-dark: #000000;

JSON

{
  "hex": "#4b73e1",
  "rgb": {
    "r": 75,
    "g": 115,
    "b": 225
  },
  "hsl": {
    "h": 224,
    "s": 71.429,
    "l": 58.824
  },
  "oklch": {
    "l": 0.58445,
    "c": 0.1732,
    "h": 266.1
  },
  "luminance": 0.19194
}

Semantic roles & 50–950 ramp

primary

#4B73E1

secondary

#E1D2A6

accent

#BE3AEE

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0D0E16

muted

#7E7E84

Preview Lab

Preview with #4B73E1

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

Preview Lab → · Contrast checker → · Palette generator →