#4E73DB#4E73DB

#4E73DB is a mid, vivid blue. Relative luminance 0.190; OKLCH L 58.2% C 0.164 H 266.6°. Best body text is #000000 at 4.80:1 contrast (WCAG AA passes).

Color values

HEX	#4E73DB
RGB	rgb(78, 115, 219)
HSL	hsl(224, 66%, 58%)
HSV	hsv(224, 64%, 86%)
CMYK	cmyk(64.4%, 47.5%, 0%, 14.1%)
CIE-LAB	lab(50.68, 19.84, -57.24)
CIE-LCH	lch(50.68, 60.58, 289.11°)
OKLab	oklab(58.19% -0.0097 -0.1639)
OKLCH	oklch(58.19% 0.164 266.6)
XYZ	xyz(22.0544, 18.9936, 69.5080)
Luminance	0.1900 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4E73DB #DBB64E

analogous

#4EBADB #4E73DB #6F4EDB

triadic

#4E73DB #DB4E73 #73DB4E

tetradic

#4E73DB #DB4EBA #DBB64E #4EDB6F

square

#4E73DB #DB4EBA #DBB64E #4EDB6F

split-complementary

#4E73DB #DB6F4E #BADB4E

monochromatic

#1E3C91 #2851C4 #4E73DB #819BE5 #B4C3F0

Accessibility & contrast

On white

4.38

#4E73DB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.80

#4E73DB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4E73DB

4.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4E73DB	#FFFFFF	#000000	##000000
##4E73DB	1.00	4.38	4.80	4.80
#FFFFFF	4.38	1.00	21.00	21.00
#000000	4.80	21.00	1.00	1.00
##000000	4.80	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D7FDF

Deuteranopia (green-blind)

#1F73D9

Tritanopia (blue-blind)

#008B9C

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #4e73db;
/* rgb */ color: rgb(78, 115, 219);
/* oklch */ color: oklch(58.2% 0.164 266.6);

Tailwind

colors: {
  custom: {
    50: '#8d9ae7',
    500: '#4e73db',
    950: '#000000',
  },
}

SCSS

$custom: #4e73db;
$custom-light: #8d9ae7;
$custom-dark: #000000;

JSON

{
  "hex": "#4e73db",
  "rgb": {
    "r": 78,
    "g": 115,
    "b": 219
  },
  "hsl": {
    "h": 224.255,
    "s": 66.197,
    "l": 58.235
  },
  "oklch": {
    "l": 0.58188,
    "c": 0.16415,
    "h": 266.6
  },
  "luminance": 0.18996
}

Semantic roles & 50–950 ramp

primary

#4E73DB

secondary

#DED0A6

accent

#BC3FE9

background

#F9F9FE

surface

#F2F2FC

border

#CCCCD5

text

#0D0E16

muted

#7E7E84

Preview Lab

Preview with #4E73DB

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

Preview Lab → · Contrast checker → · Palette generator →