#4B72DF#4B72DF

#4B72DF is a mid, vivid blue. Relative luminance 0.189; OKLCH L 58.1% C 0.172 H 266.3°. Best body text is #000000 at 4.77:1 contrast (WCAG AA passes).

Color values

HEX	#4B72DF
RGB	rgb(75, 114, 223)
HSL	hsl(224, 70%, 58%)
HSV	hsv(224, 66%, 87%)
CMYK	cmyk(66.4%, 48.9%, 0%, 12.5%)
CIE-LAB	lab(50.52, 21.36, -59.77)
CIE-LCH	lch(50.52, 63.47, 289.67°)
OKLab	oklab(58.11% -0.011 -0.1714)
OKLCH	oklch(58.11% 0.172 266.3)
XYZ	xyz(22.2336, 18.8561, 72.2656)
Luminance	0.1886 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B72DF #DFB84B

analogous

#4BBCDF #4B72DF #6E4BDF

triadic

#4B72DF #DF4B72 #72DF4B

tetradic

#4B72DF #DF4BBC #DFB84B #4BDF6E

square

#4B72DF #DF4BBC #DFB84B #4BDF6E

split-complementary

#4B72DF #DF6E4B #BCDF4B

monochromatic

#1B3B95 #244FC9 #4B72DF #7F9BE8 #B3C3F1

Accessibility & contrast

On white

4.40

#4B72DF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.77

#4B72DF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4B72DF

4.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B72DF	#FFFFFF	#000000	##000000
##4B72DF	1.00	4.40	4.77	4.77
#FFFFFF	4.40	1.00	21.00	21.00
#000000	4.77	21.00	1.00	1.00
##000000	4.77	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#367FE3

Deuteranopia (green-blind)

#0872DD

Tritanopia (blue-blind)

#008B9E

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #4b72df;
/* rgb */ color: rgb(75, 114, 223);
/* oklch */ color: oklch(58.1% 0.172 266.3);

Tailwind

colors: {
  custom: {
    50: '#8d9aea',
    500: '#4b72df',
    950: '#000000',
  },
}

SCSS

$custom: #4b72df;
$custom-light: #8d9aea;
$custom-dark: #000000;

JSON

{
  "hex": "#4b72df",
  "rgb": {
    "r": 75,
    "g": 114,
    "b": 223
  },
  "hsl": {
    "h": 224.189,
    "s": 69.811,
    "l": 58.431
  },
  "oklch": {
    "l": 0.58106,
    "c": 0.17172,
    "h": 266.3
  },
  "luminance": 0.18858
}

Semantic roles & 50–950 ramp

primary

#4B72DF

secondary

#E0D1A6

accent

#BE3BED

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0D0E16

muted

#7E7E84

Preview Lab

Preview with #4B72DF

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

Preview Lab → · Contrast checker → · Palette generator →