#4E73D9#4E73D9

#4E73D9 is a mid, vivid blue. Relative luminance 0.189; OKLCH L 58.1% C 0.161 H 266.4°. Best body text is #000000 at 4.78:1 contrast (WCAG AA passes).

Color values

HEX	#4E73D9
RGB	rgb(78, 115, 217)
HSL	hsl(224, 65%, 58%)
HSV	hsv(224, 64%, 85%)
CMYK	cmyk(64.1%, 47%, 0%, 14.9%)
CIE-LAB	lab(50.56, 19.14, -56.31)
CIE-LCH	lch(50.56, 59.47, 288.78°)
OKLab	oklab(58.06% -0.01 -0.1611)
OKLCH	oklch(58.06% 0.161 266.4)
XYZ	xyz(21.7927, 18.8889, 68.1297)
Luminance	0.1889 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4E73D9 #D9B44E

analogous

#4EB8D9 #4E73D9 #6F4ED9

triadic

#4E73D9 #D94E73 #73D94E

tetradic

#4E73D9 #D94EB8 #D9B44E #4ED96F

square

#4E73D9 #D94EB8 #D9B44E #4ED96F

split-complementary

#4E73D9 #D96F4E #B8D94E

monochromatic

#1F3C8E #2952C0 #4E73D9 #809BE4 #B3C3EF

Accessibility & contrast

On white

4.39

#4E73D9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.78

#4E73D9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4E73D9

4.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4E73D9	#FFFFFF	#000000	##000000
##4E73D9	1.00	4.39	4.78	4.78
#FFFFFF	4.39	1.00	21.00	21.00
#000000	4.78	21.00	1.00	1.00
##000000	4.78	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F7FDD

Deuteranopia (green-blind)

#2472D7

Tritanopia (blue-blind)

#008A9B

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #4e73d9;
/* rgb */ color: rgb(78, 115, 217);
/* oklch */ color: oklch(58.1% 0.161 266.4);

Tailwind

colors: {
  custom: {
    50: '#8d9ae5',
    500: '#4e73d9',
    950: '#000000',
  },
}

SCSS

$custom: #4e73d9;
$custom-light: #8d9ae5;
$custom-dark: #000000;

JSON

{
  "hex": "#4e73d9",
  "rgb": {
    "r": 78,
    "g": 115,
    "b": 217
  },
  "hsl": {
    "h": 224.029,
    "s": 64.651,
    "l": 57.843
  },
  "oklch": {
    "l": 0.58055,
    "c": 0.16143,
    "h": 266.4
  },
  "luminance": 0.18891
}

Semantic roles & 50–950 ramp

primary

#4E73D9

secondary

#DDCEA6

accent

#BB40E8

background

#F9F9FE

surface

#F2F2FC

border

#CCCCD5

text

#0D0E16

muted

#7E7E84

Preview Lab

Preview with #4E73D9

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

Preview Lab → · Contrast checker → · Palette generator →