#4C72BC#4C72BC

#4C72BC is a mid, vivid blue. Relative luminance 0.172; OKLCH L 55.9% C 0.123 H 262.5°. Best body text is #FFFFFF at 4.73:1 contrast (WCAG AA passes).

Color values

HEX	#4C72BC
RGB	rgb(76, 114, 188)
HSL	hsl(220, 46%, 52%)
HSV	hsv(220, 60%, 74%)
CMYK	cmyk(59.6%, 39.4%, 0%, 26.3%)
CIE-LAB	lab(48.51, 9.45, -43.01)
CIE-LCH	lch(48.51, 44.03, 282.39°)
OKLab	oklab(55.92% -0.016 -0.1221)
OKLCH	oklch(55.92% 0.123 262.5)
XYZ	xyz(18.0718, 17.2004, 49.9349)
Luminance	0.1720 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4C72BC #BC964C

analogous

#4CAABC #4C72BC #5E4CBC

triadic

#4C72BC #BC4C72 #72BC4C

tetradic

#4C72BC #BC4CAA #BC964C #4CBC5E

square

#4C72BC #BC4CAA #BC964C #4CBC5E

split-complementary

#4C72BC #BC5E4C #AABC4C

monochromatic

#273C67 #375794 #4C72BC #7995CD #A5B8DD

Accessibility & contrast

On white

4.73

#4C72BC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.44

#4C72BC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4C72BC

4.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4C72BC	#FFFFFF	#000000	##FFFFFF
##4C72BC	1.00	4.73	4.44	4.73
#FFFFFF	4.73	1.00	21.00	1.00
#000000	4.44	21.00	1.00	21.00
##FFFFFF	4.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5279BF

Deuteranopia (green-blind)

#436EBA

Tritanopia (blue-blind)

#00838E

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #4c72bc;
/* rgb */ color: rgb(76, 114, 188);
/* oklch */ color: oklch(55.9% 0.123 262.5);

Tailwind

colors: {
  custom: {
    50: '#879ad0',
    500: '#4c72bc',
    950: '#000000',
  },
}

SCSS

$custom: #4c72bc;
$custom-light: #879ad0;
$custom-dark: #000000;

JSON

{
  "hex": "#4c72bc",
  "rgb": {
    "r": 76,
    "g": 114,
    "b": 188
  },
  "hsl": {
    "h": 219.643,
    "s": 45.528,
    "l": 51.765
  },
  "oklch": {
    "l": 0.55915,
    "c": 0.12316,
    "h": 262.5
  },
  "luminance": 0.17202
}

Semantic roles & 50–950 ramp

primary

#4C72BC

secondary

#CABA99

accent

#A953D5

background

#F8F9FC

surface

#F0F2F9

border

#CBCCD2

text

#0C0E14

muted

#7D7E82

Preview Lab

Preview with #4C72BC

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

Preview Lab → · Contrast checker → · Palette generator →