#4E73E9#4E73E9

#4E73E9 is a mid, vivid blue. Relative luminance 0.198; OKLCH L 59.1% C 0.183 H 267.5°. Best body text is #000000 at 4.95:1 contrast (WCAG AA passes).

Color values

HEX	#4E73E9
RGB	rgb(78, 115, 233)
HSL	hsl(226, 78%, 61%)
HSV	hsv(226, 67%, 91%)
CMYK	cmyk(66.5%, 50.6%, 0%, 8.6%)
CIE-LAB	lab(51.57, 24.68, -63.69)
CIE-LCH	lch(51.57, 68.31, 291.18°)
OKLab	oklab(59.15% -0.0081 -0.1828)
OKLCH	oklch(59.15% 0.183 267.5)
XYZ	xyz(23.9755, 19.7621, 79.6259)
Luminance	0.1976 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4E73E9 #E9C44E

analogous

#4EC1E9 #4E73E9 #764EE9

triadic

#4E73E9 #E94E73 #73E94E

tetradic

#4E73E9 #E94EC1 #E9C44E #4EE976

square

#4E73E9 #E94EC1 #E9C44E #4EE976

split-complementary

#4E73E9 #E9764E #C1E94E

monochromatic

#1538A8 #1C4ADE #4E73E9 #849EF0 #BBC9F7

Accessibility & contrast

On white

4.24

#4E73E9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.95

#4E73E9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4E73E9

4.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4E73E9	#FFFFFF	#000000	##000000
##4E73E9	1.00	4.24	4.95	4.95
#FFFFFF	4.24	1.00	21.00	21.00
#000000	4.95	21.00	1.00	1.00
##000000	4.95	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C82ED

Deuteranopia (green-blind)

#0074E7

Tritanopia (blue-blind)

#008FA3

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #4e73e9;
/* rgb */ color: rgb(78, 115, 233);
/* oklch */ color: oklch(59.1% 0.183 267.5);

Tailwind

colors: {
  custom: {
    50: '#909af1',
    500: '#4e73e9',
    950: '#000000',
  },
}

SCSS

$custom: #4e73e9;
$custom-light: #909af1;
$custom-dark: #000000;

JSON

{
  "hex": "#4e73e9",
  "rgb": {
    "r": 78,
    "g": 115,
    "b": 233
  },
  "hsl": {
    "h": 225.677,
    "s": 77.889,
    "l": 60.98
  },
  "oklch": {
    "l": 0.59147,
    "c": 0.18302,
    "h": 267.5
  },
  "luminance": 0.19764
}

Semantic roles & 50–950 ramp

primary

#4E73E9

secondary

#E7D9AC

accent

#A90BDA

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0E0E17

muted

#7E7E85

Preview Lab

Preview with #4E73E9

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

Preview Lab → · Contrast checker → · Palette generator →