#4B73F0#4B73F0

#4B73F0 is a mid, vivid blue. Relative luminance 0.200; OKLCH L 59.5% C 0.193 H 267.0°. Best body text is #000000 at 5.01:1 contrast (WCAG AA passes).

Color values

HEX	#4B73F0
RGB	rgb(75, 115, 240)
HSL	hsl(225, 85%, 62%)
HSV	hsv(225, 69%, 94%)
CMYK	cmyk(68.7%, 52.1%, 0%, 5.9%)
CIE-LAB	lab(51.89, 26.68, -67.09)
CIE-LCH	lch(51.89, 72.21, 291.69°)
OKLab	oklab(59.5% -0.0102 -0.1929)
OKLCH	oklch(59.5% 0.193 267)
XYZ	xyz(24.7551, 20.0461, 84.9858)
Luminance	0.2005 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B73F0 #F0C84B

analogous

#4BC5F0 #4B73F0 #764BF0

triadic

#4B73F0 #F04B73 #73F04B

tetradic

#4B73F0 #F04BC5 #F0C84B #4BF076

square

#4B73F0 #F04BC5 #F0C84B #4BF076

split-complementary

#4B73F0 #F0764B #C5F04B

monochromatic

#0F36B2 #1448EA #4B73F0 #839FF5 #BCCBF9

Accessibility & contrast

On white

4.19

#4B73F0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.01

#4B73F0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4B73F0

5.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B73F0	#FFFFFF	#000000	##000000
##4B73F0	1.00	4.19	5.01	5.01
#FFFFFF	4.19	1.00	21.00	21.00
#000000	5.01	21.00	1.00	1.00
##000000	5.01	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#1E84F4

Deuteranopia (green-blind)

#0075ED

Tritanopia (blue-blind)

#0091A6

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #4b73f0;
/* rgb */ color: rgb(75, 115, 240);
/* oklch */ color: oklch(59.5% 0.193 267.0);

Tailwind

colors: {
  custom: {
    50: '#909af6',
    500: '#4b73f0',
    950: '#000000',
  },
}

SCSS

$custom: #4b73f0;
$custom-light: #909af6;
$custom-dark: #000000;

JSON

{
  "hex": "#4b73f0",
  "rgb": {
    "r": 75,
    "g": 115,
    "b": 240
  },
  "hsl": {
    "h": 225.455,
    "s": 84.615,
    "l": 61.765
  },
  "oklch": {
    "l": 0.595,
    "c": 0.19318,
    "h": 267
  },
  "luminance": 0.20049
}

Semantic roles & 50–950 ramp

primary

#4B73F0

secondary

#EADBAD

accent

#AC04E1

background

#F9F9FF

surface

#F2F2FF

border

#CCCCD7

text

#0E0E17

muted

#7E7E85

Preview Lab

Preview with #4B73F0

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

Preview Lab → · Contrast checker → · Palette generator →