#4C72DB#4C72DB

#4C72DB is a mid, vivid blue. Relative luminance 0.187; OKLCH L 57.9% C 0.166 H 266.3°. Best body text is #000000 at 4.74:1 contrast (WCAG AA passes).

Color values

HEX	#4C72DB
RGB	rgb(76, 114, 219)
HSL	hsl(224, 67%, 58%)
HSV	hsv(224, 65%, 86%)
CMYK	cmyk(65.3%, 47.9%, 0%, 14.1%)
CIE-LAB	lab(50.31, 20.13, -57.84)
CIE-LCH	lch(50.31, 61.24, 289.19°)
OKLab	oklab(57.88% -0.0106 -0.1657)
OKLCH	oklch(57.88% 0.166 266.3)
XYZ	xyz(21.7796, 18.6836, 69.4626)
Luminance	0.1869 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4C72DB #DBB54C

analogous

#4CB9DB #4C72DB #6D4CDB

triadic

#4C72DB #DB4C72 #72DB4C

tetradic

#4C72DB #DB4CB9 #DBB54C #4CDB6D

square

#4C72DB #DB4CB9 #DBB54C #4CDB6D

split-complementary

#4C72DB #DB6D4C #B9DB4C

monochromatic

#1D3B90 #2750C3 #4C72DB #7F9AE5 #B2C2EF

Accessibility & contrast

On white

4.43

#4C72DB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.74

#4C72DB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4C72DB

4.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4C72DB	#FFFFFF	#000000	##000000
##4C72DB	1.00	4.43	4.74	4.74
#FFFFFF	4.43	1.00	21.00	21.00
#000000	4.74	21.00	1.00	1.00
##000000	4.74	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#3A7FDF

Deuteranopia (green-blind)

#1972D9

Tritanopia (blue-blind)

#008A9C

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #4c72db;
/* rgb */ color: rgb(76, 114, 219);
/* oklch */ color: oklch(57.9% 0.166 266.3);

Tailwind

colors: {
  custom: {
    50: '#8c9ae7',
    500: '#4c72db',
    950: '#000000',
  },
}

SCSS

$custom: #4c72db;
$custom-light: #8c9ae7;
$custom-dark: #000000;

JSON

{
  "hex": "#4c72db",
  "rgb": {
    "r": 76,
    "g": 114,
    "b": 219
  },
  "hsl": {
    "h": 224.056,
    "s": 66.512,
    "l": 57.843
  },
  "oklch": {
    "l": 0.57883,
    "c": 0.166,
    "h": 266.3
  },
  "luminance": 0.18686
}

Semantic roles & 50–950 ramp

primary

#4C72DB

secondary

#DECFA5

accent

#BC3EE9

background

#F9F9FE

surface

#F2F2FC

border

#CCCCD5

text

#0D0E16

muted

#7E7E84

Preview Lab

Preview with #4C72DB

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

Preview Lab → · Contrast checker → · Palette generator →