#4E72BB#4E72BB

#4E72BB is a mid, vivid blue. Relative luminance 0.172; OKLCH L 56.0% C 0.121 H 263.2°. Best body text is #FFFFFF at 4.72:1 contrast (WCAG AA passes).

Color values

HEX	#4E72BB
RGB	rgb(78, 114, 187)
HSL	hsl(220, 44%, 52%)
HSV	hsv(220, 58%, 73%)
CMYK	cmyk(58.3%, 39%, 0%, 26.7%)
CIE-LAB	lab(48.56, 9.52, -42.34)
CIE-LCH	lch(48.56, 43.40, 282.67°)
OKLab	oklab(55.96% -0.0144 -0.1201)
OKLCH	oklch(55.96% 0.121 263.2)
XYZ	xyz(18.1258, 17.2407, 49.3767)
Luminance	0.1724 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4E72BB #BB974E

analogous

#4EA9BB #4E72BB #604EBB

triadic

#4E72BB #BB4E72 #72BB4E

tetradic

#4E72BB #BB4EA9 #BB974E #4EBB60

square

#4E72BB #BB4EA9 #BB974E #4EBB60

split-complementary

#4E72BB #BB604E #A9BB4E

monochromatic

#283D67 #395793 #4E72BB #7A95CC #A6B8DD

Accessibility & contrast

On white

4.72

#4E72BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.45

#4E72BB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4E72BB

4.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4E72BB	#FFFFFF	#000000	##FFFFFF
##4E72BB	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)

#5379BE

Deuteranopia (green-blind)

#456FB9

Tritanopia (blue-blind)

#00828D

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #4e72bb;
/* rgb */ color: rgb(78, 114, 187);
/* oklch */ color: oklch(56.0% 0.121 263.2);

Tailwind

colors: {
  custom: {
    50: '#889ad0',
    500: '#4e72bb',
    950: '#000000',
  },
}

SCSS

$custom: #4e72bb;
$custom-light: #889ad0;
$custom-dark: #000000;

JSON

{
  "hex": "#4e72bb",
  "rgb": {
    "r": 78,
    "g": 114,
    "b": 187
  },
  "hsl": {
    "h": 220.183,
    "s": 44.49,
    "l": 51.961
  },
  "oklch": {
    "l": 0.55964,
    "c": 0.121,
    "h": 263.2
  },
  "luminance": 0.17242
}

Semantic roles & 50–950 ramp

primary

#4E72BB

secondary

#CABA9B

accent

#AA54D4

background

#F8F9FC

surface

#F0F2F9

border

#CBCCD2

text

#0C0E14

muted

#7D7E82

Preview Lab

Preview with #4E72BB

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

Preview Lab → · Contrast checker → · Palette generator →