#4B72DB#4B72DB

#4B72DB is a mid, vivid blue. Relative luminance 0.186; OKLCH L 57.8% C 0.166 H 266.0°. Best body text is #000000 at 4.73:1 contrast (WCAG AA passes).

Color values

HEX	#4B72DB
RGB	rgb(75, 114, 219)
HSL	hsl(224, 67%, 58%)
HSV	hsv(224, 66%, 86%)
CMYK	cmyk(65.8%, 47.9%, 0%, 14.1%)
CIE-LAB	lab(50.27, 19.96, -57.91)
CIE-LCH	lch(50.27, 61.26, 289.02°)
OKLab	oklab(57.83% -0.0115 -0.1659)
OKLCH	oklch(57.83% 0.166 266)
XYZ	xyz(21.7007, 18.6429, 69.4589)
Luminance	0.1865 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B72DB #DBB44B

analogous

#4BBADB #4B72DB #6C4BDB

triadic

#4B72DB #DB4B72 #72DB4B

tetradic

#4B72DB #DB4BBA #DBB44B #4BDB6C

square

#4B72DB #DB4BBA #DBB44B #4BDB6C

split-complementary

#4B72DB #DB6C4B #BADB4B

monochromatic

#1D3C8F #2751C2 #4B72DB #7E9AE5 #B1C2EF

Accessibility & contrast

On white

4.44

#4B72DB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.73

#4B72DB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4B72DB

4.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B72DB	#FFFFFF	#000000	##000000
##4B72DB	1.00	4.44	4.73	4.73
#FFFFFF	4.44	1.00	21.00	21.00
#000000	4.73	21.00	1.00	1.00
##000000	4.73	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#3A7FDF

Deuteranopia (green-blind)

#1871D9

Tritanopia (blue-blind)

#008A9C

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #4b72db;
/* rgb */ color: rgb(75, 114, 219);
/* oklch */ color: oklch(57.8% 0.166 266.0);

Tailwind

colors: {
  custom: {
    50: '#8c9ae7',
    500: '#4b72db',
    950: '#000000',
  },
}

SCSS

$custom: #4b72db;
$custom-light: #8c9ae7;
$custom-dark: #000000;

JSON

{
  "hex": "#4b72db",
  "rgb": {
    "r": 75,
    "g": 114,
    "b": 219
  },
  "hsl": {
    "h": 223.75,
    "s": 66.667,
    "l": 57.647
  },
  "oklch": {
    "l": 0.57833,
    "c": 0.16631,
    "h": 266
  },
  "luminance": 0.18645
}

Semantic roles & 50–950 ramp

primary

#4B72DB

secondary

#DECEA4

accent

#BB3EEA

background

#F9F9FE

surface

#F1F2FC

border

#CBCCD5

text

#0D0E16

muted

#7E7E84

Preview Lab

Preview with #4B72DB

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

Preview Lab → · Contrast checker → · Palette generator →