#4E72B3#4E72B3

#4E72B3 is a mid, moderate blue. Relative luminance 0.169; OKLCH L 55.5% C 0.110 H 261.5°. Best body text is #FFFFFF at 4.79:1 contrast (WCAG AA passes).

Color values

HEX	#4E72B3
RGB	rgb(78, 114, 179)
HSL	hsl(219, 40%, 50%)
HSV	hsv(219, 56%, 70%)
CMYK	cmyk(56.4%, 36.3%, 0%, 29.8%)
CIE-LAB	lab(48.14, 6.84, -38.37)
CIE-LCH	lch(48.14, 38.98, 280.11°)
OKLab	oklab(55.5% -0.0162 -0.1085)
OKLCH	oklch(55.5% 0.11 261.5)
XYZ	xyz(17.2931, 16.9076, 44.9913)
Luminance	0.1691 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4E72B3 #B38F4E

analogous

#4EA4B3 #4E72B3 #5C4EB3

triadic

#4E72B3 #B34E72 #72B34E

tetradic

#4E72B3 #B34EA4 #B38F4E #4EB35C

square

#4E72B3 #B34EA4 #B38F4E #4EB35C

split-complementary

#4E72B3 #B35C4E #A4B34E

monochromatic

#283C5E #3B5789 #4E72B3 #7994C5 #A4B6D8

Accessibility & contrast

On white

4.79

#4E72B3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.38

#4E72B3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4E72B3

4.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4E72B3	#FFFFFF	#000000	##FFFFFF
##4E72B3	1.00	4.79	4.38	4.79
#FFFFFF	4.79	1.00	21.00	1.00
#000000	4.38	21.00	1.00	21.00
##FFFFFF	4.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5777B6

Deuteranopia (green-blind)

#4B6EB2

Tritanopia (blue-blind)

#07808A

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #4e72b3;
/* rgb */ color: rgb(78, 114, 179);
/* oklch */ color: oklch(55.5% 0.110 261.5);

Tailwind

colors: {
  custom: {
    50: '#879aca',
    500: '#4e72b3',
    950: '#000000',
  },
}

SCSS

$custom: #4e72b3;
$custom-light: #879aca;
$custom-dark: #000000;

JSON

{
  "hex": "#4e72b3",
  "rgb": {
    "r": 78,
    "g": 114,
    "b": 179
  },
  "hsl": {
    "h": 218.614,
    "s": 39.921,
    "l": 50.392
  },
  "oklch": {
    "l": 0.55503,
    "c": 0.10975,
    "h": 261.5
  },
  "luminance": 0.16909
}

Semantic roles & 50–950 ramp

primary

#4E72B3

secondary

#C5B598

accent

#A558D0

background

#F8F9FC

surface

#F0F2F8

border

#CBCCD1

text

#0C0E13

muted

#7D7E82

Preview Lab

Preview with #4E72B3

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

Preview Lab → · Contrast checker → · Palette generator →