#4C72BB#4C72BB

#4C72BB is a mid, vivid blue. Relative luminance 0.172; OKLCH L 55.9% C 0.122 H 262.3°. Best body text is #FFFFFF at 4.74:1 contrast (WCAG AA passes).

Color values

HEX	#4C72BB
RGB	rgb(76, 114, 187)
HSL	hsl(219, 45%, 52%)
HSV	hsv(219, 59%, 73%)
CMYK	cmyk(59.4%, 39%, 0%, 26.7%)
CIE-LAB	lab(48.46, 9.11, -42.51)
CIE-LCH	lch(48.46, 43.48, 282.09°)
OKLab	oklab(55.86% -0.0162 -0.1207)
OKLCH	oklch(55.86% 0.122 262.3)
XYZ	xyz(17.9643, 17.1575, 49.3691)
Luminance	0.1716 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4C72BB #BB954C

analogous

#4CAABB #4C72BB #5E4CBB

triadic

#4C72BB #BB4C72 #72BB4C

tetradic

#4C72BB #BB4CAA #BB954C #4CBB5E

square

#4C72BB #BB4CAA #BB954C #4CBB5E

split-complementary

#4C72BB #BB5E4C #AABB4C

monochromatic

#273C66 #385792 #4C72BB #7895CC #A5B8DD

Accessibility & contrast

On white

4.74

#4C72BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.43

#4C72BB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4C72BB

4.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4C72BB	#FFFFFF	#000000	##FFFFFF
##4C72BB	1.00	4.74	4.43	4.74
#FFFFFF	4.74	1.00	21.00	1.00
#000000	4.43	21.00	1.00	21.00
##FFFFFF	4.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5379BE

Deuteranopia (green-blind)

#446EB9

Tritanopia (blue-blind)

#00828D

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #4c72bb;
/* rgb */ color: rgb(76, 114, 187);
/* oklch */ color: oklch(55.9% 0.122 262.3);

Tailwind

colors: {
  custom: {
    50: '#879ad0',
    500: '#4c72bb',
    950: '#000000',
  },
}

SCSS

$custom: #4c72bb;
$custom-light: #879ad0;
$custom-dark: #000000;

JSON

{
  "hex": "#4c72bb",
  "rgb": {
    "r": 76,
    "g": 114,
    "b": 187
  },
  "hsl": {
    "h": 219.459,
    "s": 44.939,
    "l": 51.569
  },
  "oklch": {
    "l": 0.55856,
    "c": 0.12176,
    "h": 262.3
  },
  "luminance": 0.17159
}

Semantic roles & 50–950 ramp

primary

#4C72BB

secondary

#CAB999

accent

#A853D5

background

#F8F9FC

surface

#F0F2F9

border

#CBCCD2

text

#0C0E14

muted

#7D7E82

Preview Lab

Preview with #4C72BB

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

Preview Lab → · Contrast checker → · Palette generator →