#4E72BC#4E72BC

#4E72BC is a mid, vivid blue. Relative luminance 0.173; OKLCH L 56.0% C 0.122 H 263.4°. Best body text is #FFFFFF at 4.71:1 contrast (WCAG AA passes).

Color values

HEX	#4E72BC
RGB	rgb(78, 114, 188)
HSL	hsl(220, 45%, 52%)
HSV	hsv(220, 59%, 74%)
CMYK	cmyk(58.5%, 39.4%, 0%, 26.3%)
CIE-LAB	lab(48.62, 9.85, -42.83)
CIE-LCH	lch(48.62, 43.95, 282.95°)
OKLab	oklab(56.02% -0.0141 -0.1216)
OKLCH	oklch(56.02% 0.122 263.4)
XYZ	xyz(18.2332, 17.2837, 49.9424)
Luminance	0.1729 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4E72BC #BC984E

analogous

#4EA9BC #4E72BC #614EBC

triadic

#4E72BC #BC4E72 #72BC4E

tetradic

#4E72BC #BC4EA9 #BC984E #4EBC61

square

#4E72BC #BC4EA9 #BC984E #4EBC61

split-complementary

#4E72BC #BC614E #A9BC4E

monochromatic

#273D68 #385695 #4E72BC #7A95CD #A7B9DE

Accessibility & contrast

On white

4.71

#4E72BC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.46

#4E72BC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4E72BC

4.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4E72BC	#FFFFFF	#000000	##FFFFFF
##4E72BC	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)

#5379BF

Deuteranopia (green-blind)

#446FBA

Tritanopia (blue-blind)

#00828E

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #4e72bc;
/* rgb */ color: rgb(78, 114, 188);
/* oklch */ color: oklch(56.0% 0.122 263.4);

Tailwind

colors: {
  custom: {
    50: '#889ad0',
    500: '#4e72bc',
    950: '#000000',
  },
}

SCSS

$custom: #4e72bc;
$custom-light: #889ad0;
$custom-dark: #000000;

JSON

{
  "hex": "#4e72bc",
  "rgb": {
    "r": 78,
    "g": 114,
    "b": 188
  },
  "hsl": {
    "h": 220.364,
    "s": 45.082,
    "l": 52.157
  },
  "oklch": {
    "l": 0.56023,
    "c": 0.1224,
    "h": 263.4
  },
  "luminance": 0.17285
}

Semantic roles & 50–950 ramp

primary

#4E72BC

secondary

#CBBB9B

accent

#AA53D5

background

#F8F9FC

surface

#F0F2F9

border

#CBCCD2

text

#0C0E14

muted

#7D7E82

Preview Lab

Preview with #4E72BC

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

Preview Lab → · Contrast checker → · Palette generator →