#4E73B7#4E73B7

#4E73B7 is a mid, moderate blue. Relative luminance 0.173; OKLCH L 56.0% C 0.114 H 261.7°. Best body text is #FFFFFF at 4.71:1 contrast (WCAG AA passes).

Color values

HEX	#4E73B7
RGB	rgb(78, 115, 183)
HSL	hsl(219, 42%, 51%)
HSV	hsv(219, 57%, 72%)
CMYK	cmyk(57.4%, 37.2%, 0%, 28.2%)
CIE-LAB	lab(48.63, 7.56, -39.92)
CIE-LCH	lch(48.63, 40.63, 280.72°)
OKLab	oklab(55.95% -0.0164 -0.113)
OKLCH	oklch(55.95% 0.114 261.7)
XYZ	xyz(17.8169, 17.2986, 47.1906)
Luminance	0.1730 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4E73B7 #B7924E

analogous

#4EA7B7 #4E73B7 #5D4EB7

triadic

#4E73B7 #B74E73 #73B74E

tetradic

#4E73B7 #B74EA7 #B7924E #4EB75D

square

#4E73B7 #B74EA7 #B7924E #4EB75D

split-complementary

#4E73B7 #B75D4E #A7B74E

monochromatic

#283D63 #3A578E #4E73B7 #7A95C9 #A5B8DA

Accessibility & contrast

On white

4.71

#4E73B7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.46

#4E73B7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4E73B7

4.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4E73B7	#FFFFFF	#000000	##FFFFFF
##4E73B7	1.00	4.71	4.46	4.71
#FFFFFF	4.71	1.00	21.00	1.00
#000000	4.46	21.00	1.00	21.00
##FFFFFF	4.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5779BA

Deuteranopia (green-blind)

#4A6FB6

Tritanopia (blue-blind)

#00828C

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #4e73b7;
/* rgb */ color: rgb(78, 115, 183);
/* oklch */ color: oklch(56.0% 0.114 261.7);

Tailwind

colors: {
  custom: {
    50: '#879acd',
    500: '#4e73b7',
    950: '#000000',
  },
}

SCSS

$custom: #4e73b7;
$custom-light: #879acd;
$custom-dark: #000000;

JSON

{
  "hex": "#4e73b7",
  "rgb": {
    "r": 78,
    "g": 115,
    "b": 183
  },
  "hsl": {
    "h": 218.857,
    "s": 42.169,
    "l": 51.176
  },
  "oklch": {
    "l": 0.55951,
    "c": 0.11422,
    "h": 261.7
  },
  "luminance": 0.173
}

Semantic roles & 50–950 ramp

primary

#4E73B7

secondary

#C8B799

accent

#A656D2

background

#F8F9FC

surface

#F0F2F9

border

#CBCCD2

text

#0C0E13

muted

#7D7E82

Preview Lab

Preview with #4E73B7

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

Preview Lab → · Contrast checker → · Palette generator →