#4E72B1#4E72B1

#4E72B1 is a mid, moderate blue. Relative luminance 0.168; OKLCH L 55.4% C 0.107 H 261.0°. Best body text is #FFFFFF at 4.81:1 contrast (WCAG AA passes).

Color values

HEX	#4E72B1
RGB	rgb(78, 114, 177)
HSL	hsl(218, 39%, 50%)
HSV	hsv(218, 56%, 69%)
CMYK	cmyk(55.9%, 35.6%, 0%, 30.6%)
CIE-LAB	lab(48.04, 6.18, -37.37)
CIE-LCH	lch(48.04, 37.88, 279.39°)
OKLab	oklab(55.39% -0.0167 -0.1056)
OKLCH	oklch(55.39% 0.107 261)
XYZ	xyz(17.0923, 16.8273, 43.9337)
Luminance	0.1683 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4E72B1 #B18D4E

analogous

#4EA4B1 #4E72B1 #5B4EB1

triadic

#4E72B1 #B14E72 #72B14E

tetradic

#4E72B1 #B14EA4 #B18D4E #4EB15B

square

#4E72B1 #B14EA4 #B18D4E #4EB15B

split-complementary

#4E72B1 #B15B4E #A4B14E

monochromatic

#293B5C #3B5787 #4E72B1 #7894C4 #A3B6D6

Accessibility & contrast

On white

4.81

#4E72B1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.37

#4E72B1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4E72B1

4.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4E72B1	#FFFFFF	#000000	##FFFFFF
##4E72B1	1.00	4.81	4.37	4.81
#FFFFFF	4.81	1.00	21.00	1.00
#000000	4.37	21.00	1.00	21.00
##FFFFFF	4.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5877B4

Deuteranopia (green-blind)

#4C6EB0

Tritanopia (blue-blind)

#0D8089

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #4e72b1;
/* rgb */ color: rgb(78, 114, 177);
/* oklch */ color: oklch(55.4% 0.107 261.0);

Tailwind

colors: {
  custom: {
    50: '#879ac8',
    500: '#4e72b1',
    950: '#000000',
  },
}

SCSS

$custom: #4e72b1;
$custom-light: #879ac8;
$custom-dark: #000000;

JSON

{
  "hex": "#4e72b1",
  "rgb": {
    "r": 78,
    "g": 114,
    "b": 177
  },
  "hsl": {
    "h": 218.182,
    "s": 38.824,
    "l": 50
  },
  "oklch": {
    "l": 0.55391,
    "c": 0.10694,
    "h": 261
  },
  "luminance": 0.16829
}

Semantic roles & 50–950 ramp

primary

#4E72B1

secondary

#C4B397

accent

#A459CF

background

#F8F9FC

surface

#F0F2F8

border

#CBCCD1

text

#0C0E13

muted

#7D7E82

Preview Lab

Preview with #4E72B1

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

Preview Lab → · Contrast checker → · Palette generator →