#4E73B6#4E73B6

#4E73B6 is a mid, moderate blue. Relative luminance 0.173; OKLCH L 55.9% C 0.113 H 261.5°. Best body text is #FFFFFF at 4.72:1 contrast (WCAG AA passes).

Color values

HEX	#4E73B6
RGB	rgb(78, 115, 182)
HSL	hsl(219, 42%, 51%)
HSV	hsv(219, 57%, 71%)
CMYK	cmyk(57.1%, 36.8%, 0%, 28.6%)
CIE-LAB	lab(48.58, 7.23, -39.42)
CIE-LCH	lch(48.58, 40.08, 280.39°)
OKLab	oklab(55.89% -0.0167 -0.1116)
OKLCH	oklch(55.89% 0.113 261.5)
XYZ	xyz(17.7132, 17.2571, 46.6444)
Luminance	0.1726 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4E73B6 #B6914E

analogous

#4EA7B6 #4E73B6 #5D4EB6

triadic

#4E73B6 #B64E73 #73B64E

tetradic

#4E73B6 #B64EA7 #B6914E #4EB65D

square

#4E73B6 #B64EA7 #B6914E #4EB65D

split-complementary

#4E73B6 #B65D4E #A7B64E

monochromatic

#283D61 #3A578D #4E73B6 #7995C8 #A5B8DA

Accessibility & contrast

On white

4.72

#4E73B6 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.45

#4E73B6 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4E73B6

4.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4E73B6	#FFFFFF	#000000	##FFFFFF
##4E73B6	1.00	4.72	4.45	4.72
#FFFFFF	4.72	1.00	21.00	1.00
#000000	4.45	21.00	1.00	21.00
##FFFFFF	4.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5779B9

Deuteranopia (green-blind)

#4A6FB5

Tritanopia (blue-blind)

#00828C

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #4e73b6;
/* rgb */ color: rgb(78, 115, 182);
/* oklch */ color: oklch(55.9% 0.113 261.5);

Tailwind

colors: {
  custom: {
    50: '#879acc',
    500: '#4e73b6',
    950: '#000000',
  },
}

SCSS

$custom: #4e73b6;
$custom-light: #879acc;
$custom-dark: #000000;

JSON

{
  "hex": "#4e73b6",
  "rgb": {
    "r": 78,
    "g": 115,
    "b": 182
  },
  "hsl": {
    "h": 218.654,
    "s": 41.6,
    "l": 50.98
  },
  "oklch": {
    "l": 0.55894,
    "c": 0.11282,
    "h": 261.5
  },
  "luminance": 0.17259
}

Semantic roles & 50–950 ramp

primary

#4E73B6

secondary

#C7B799

accent

#A656D1

background

#F8F9FC

surface

#F0F2F9

border

#CBCCD2

text

#0C0E13

muted

#7D7E82

Preview Lab

Preview with #4E73B6

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

Preview Lab → · Contrast checker → · Palette generator →