#4B72DD#4B72DD

#4B72DD is a mid, vivid blue. Relative luminance 0.188; OKLCH L 58.0% C 0.169 H 266.2°. Best body text is #000000 at 4.75:1 contrast (WCAG AA passes).

Color values

HEX	#4B72DD
RGB	rgb(75, 114, 221)
HSL	hsl(224, 68%, 58%)
HSV	hsv(224, 66%, 87%)
CMYK	cmyk(66.1%, 48.4%, 0%, 13.3%)
CIE-LAB	lab(50.39, 20.66, -58.84)
CIE-LCH	lch(50.39, 62.37, 289.35°)
OKLab	oklab(57.97% -0.0112 -0.1686)
OKLCH	oklch(57.97% 0.169 266.2)
XYZ	xyz(21.9656, 18.7488, 70.8539)
Luminance	0.1875 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B72DD #DDB64B

analogous

#4BBBDD #4B72DD #6D4BDD

triadic

#4B72DD #DD4B72 #72DD4B

tetradic

#4B72DD #DD4BBB #DDB64B #4BDD6D

square

#4B72DD #DD4BBB #DDB64B #4BDD6D

split-complementary

#4B72DD #DD6D4B #BBDD4B

monochromatic

#1C3B92 #2550C5 #4B72DD #7E9AE7 #B2C3F0

Accessibility & contrast

On white

4.42

#4B72DD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.75

#4B72DD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4B72DD

4.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B72DD	#FFFFFF	#000000	##000000
##4B72DD	1.00	4.42	4.75	4.75
#FFFFFF	4.42	1.00	21.00	21.00
#000000	4.75	21.00	1.00	1.00
##000000	4.75	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#387FE1

Deuteranopia (green-blind)

#1272DB

Tritanopia (blue-blind)

#008B9D

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #4b72dd;
/* rgb */ color: rgb(75, 114, 221);
/* oklch */ color: oklch(58.0% 0.169 266.2);

Tailwind

colors: {
  custom: {
    50: '#8c9ae8',
    500: '#4b72dd',
    950: '#000000',
  },
}

SCSS

$custom: #4b72dd;
$custom-light: #8c9ae8;
$custom-dark: #000000;

JSON

{
  "hex": "#4b72dd",
  "rgb": {
    "r": 75,
    "g": 114,
    "b": 221
  },
  "hsl": {
    "h": 223.973,
    "s": 68.224,
    "l": 58.039
  },
  "oklch": {
    "l": 0.57969,
    "c": 0.16902,
    "h": 266.2
  },
  "luminance": 0.18751
}

Semantic roles & 50–950 ramp

primary

#4B72DD

secondary

#DFCFA5

accent

#BD3DEB

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0D0E16

muted

#7E7E84

Preview Lab

Preview with #4B72DD

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

Preview Lab → · Contrast checker → · Palette generator →