#4C72CB#4C72CB

#4C72CB is a mid, vivid blue. Relative luminance 0.179; OKLCH L 56.8% C 0.144 H 264.8°. Best body text is #FFFFFF at 4.59:1 contrast (WCAG AA passes).

Color values

HEX	#4C72CB
RGB	rgb(76, 114, 203)
HSL	hsl(222, 55%, 55%)
HSV	hsv(222, 63%, 80%)
CMYK	cmyk(62.6%, 43.8%, 0%, 20.4%)
CIE-LAB	lab(49.35, 14.58, -50.28)
CIE-LCH	lch(49.35, 52.35, 286.17°)
OKLab	oklab(56.84% -0.013 -0.1435)
OKLCH	oklch(56.84% 0.144 264.8)
XYZ	xyz(19.7736, 17.8812, 58.8977)
Luminance	0.1788 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4C72CB #CBA54C

analogous

#4CB2CB #4C72CB #664CCB

triadic

#4C72CB #CB4C72 #72CB4C

tetradic

#4C72CB #CB4CB2 #CBA54C #4CCB66

square

#4C72CB #CB4CB2 #CBA54C #4CCB66

split-complementary

#4C72CB #CB664C #B2CB4C

monochromatic

#233D79 #3155A9 #4C72CB #7B97D9 #ABBDE7

Accessibility & contrast

On white

4.59

#4C72CB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.58

#4C72CB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #4C72CB

4.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4C72CB	#FFFFFF	#000000	##FFFFFF
##4C72CB	1.00	4.59	4.58	4.59
#FFFFFF	4.59	1.00	21.00	1.00
#000000	4.58	21.00	1.00	21.00
##FFFFFF	4.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#497CCE

Deuteranopia (green-blind)

#3570C9

Tritanopia (blue-blind)

#008694

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #4c72cb;
/* rgb */ color: rgb(76, 114, 203);
/* oklch */ color: oklch(56.8% 0.144 264.8);

Tailwind

colors: {
  custom: {
    50: '#8a9adb',
    500: '#4c72cb',
    950: '#000000',
  },
}

SCSS

$custom: #4c72cb;
$custom-light: #8a9adb;
$custom-dark: #000000;

JSON

{
  "hex": "#4c72cb",
  "rgb": {
    "r": 76,
    "g": 114,
    "b": 203
  },
  "hsl": {
    "h": 222.047,
    "s": 54.978,
    "l": 54.706
  },
  "oklch": {
    "l": 0.56835,
    "c": 0.14405,
    "h": 264.8
  },
  "luminance": 0.17883
}

Semantic roles & 50–950 ramp

primary

#4C72CB

secondary

#D4C49F

accent

#B249DE

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0D0E15

muted

#7D7E83

Preview Lab

Preview with #4C72CB

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

Preview Lab → · Contrast checker → · Palette generator →