#4F73E4#4F73E4

#4F73E4 is a mid, vivid blue. Relative luminance 0.195; OKLCH L 58.9% C 0.176 H 267.5°. Best body text is #000000 at 4.91:1 contrast (WCAG AA passes).

Color values

HEX	#4F73E4
RGB	rgb(79, 115, 228)
HSL	hsl(226, 73%, 60%)
HSV	hsv(226, 65%, 89%)
CMYK	cmyk(65.4%, 49.6%, 0%, 10.6%)
CIE-LAB	lab(51.29, 23.11, -61.33)
CIE-LCH	lch(51.29, 65.54, 290.65°)
OKLab	oklab(58.85% -0.0077 -0.1759)
OKLCH	oklch(58.85% 0.176 267.5)
XYZ	xyz(23.3540, 19.5230, 75.9213)
Luminance	0.1953 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F73E4 #E4C04F

analogous

#4FBEE4 #4F73E4 #754FE4

triadic

#4F73E4 #E44F73 #73E44F

tetradic

#4F73E4 #E44FBE #E4C04F #4FE475

square

#4F73E4 #E44FBE #E4C04F #4FE475

split-complementary

#4F73E4 #E4754F #BEE44F

monochromatic

#1939A0 #214CD5 #4F73E4 #849DEC #B9C7F4

Accessibility & contrast

On white

4.28

#4F73E4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.91

#4F73E4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4F73E4

4.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F73E4	#FFFFFF	#000000	##000000
##4F73E4	1.00	4.28	4.91	4.91
#FFFFFF	4.28	1.00	21.00	21.00
#000000	4.91	21.00	1.00	1.00
##000000	4.91	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#3381E8

Deuteranopia (green-blind)

#0074E2

Tritanopia (blue-blind)

#008DA1

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #4f73e4;
/* rgb */ color: rgb(79, 115, 228);
/* oklch */ color: oklch(58.9% 0.176 267.5);

Tailwind

colors: {
  custom: {
    50: '#8f9aed',
    500: '#4f73e4',
    950: '#000000',
  },
}

SCSS

$custom: #4f73e4;
$custom-light: #8f9aed;
$custom-dark: #000000;

JSON

{
  "hex": "#4f73e4",
  "rgb": {
    "r": 79,
    "g": 115,
    "b": 228
  },
  "hsl": {
    "h": 225.503,
    "s": 73.399,
    "l": 60.196
  },
  "oklch": {
    "l": 0.5885,
    "c": 0.17603,
    "h": 267.5
  },
  "luminance": 0.19525
}

Semantic roles & 50–950 ramp

primary

#4F73E4

secondary

#E4D6AB

accent

#A610D6

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0E0E16

muted

#7E7E84

Preview Lab

Preview with #4F73E4

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

Preview Lab → · Contrast checker → · Palette generator →