#4C73DB#4C73DB

#4C73DB is a mid, vivid blue. Relative luminance 0.189; OKLCH L 58.1% C 0.165 H 266.0°. Best body text is #000000 at 4.78:1 contrast (WCAG AA passes).

Color values

HEX	#4C73DB
RGB	rgb(76, 115, 219)
HSL	hsl(224, 67%, 58%)
HSV	hsv(224, 65%, 86%)
CMYK	cmyk(65.3%, 47.5%, 0%, 14.1%)
CIE-LAB	lab(50.58, 19.50, -57.41)
CIE-LCH	lch(50.58, 60.63, 288.77°)
OKLab	oklab(58.09% -0.0115 -0.1644)
OKLCH	oklch(58.09% 0.165 266)
XYZ	xyz(21.8930, 18.9104, 69.5004)
Luminance	0.1891 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4C73DB #DBB44C

analogous

#4CBBDB #4C73DB #6C4CDB

triadic

#4C73DB #DB4C73 #73DB4C

tetradic

#4C73DB #DB4CBB #DBB44C #4CDB6C

square

#4C73DB #DB4CBB #DBB44C #4CDB6C

split-complementary

#4C73DB #DB6C4C #BBDB4C

monochromatic

#1D3C90 #2752C3 #4C73DB #7F9BE5 #B2C3EF

Accessibility & contrast

On white

4.39

#4C73DB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.78

#4C73DB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4C73DB

4.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4C73DB	#FFFFFF	#000000	##000000
##4C73DB	1.00	4.39	4.78	4.78
#FFFFFF	4.39	1.00	21.00	21.00
#000000	4.78	21.00	1.00	1.00
##000000	4.78	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D7FDF

Deuteranopia (green-blind)

#1D72D9

Tritanopia (blue-blind)

#008B9C

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #4c73db;
/* rgb */ color: rgb(76, 115, 219);
/* oklch */ color: oklch(58.1% 0.165 266.0);

Tailwind

colors: {
  custom: {
    50: '#8c9ae7',
    500: '#4c73db',
    950: '#000000',
  },
}

SCSS

$custom: #4c73db;
$custom-light: #8c9ae7;
$custom-dark: #000000;

JSON

{
  "hex": "#4c73db",
  "rgb": {
    "r": 76,
    "g": 115,
    "b": 219
  },
  "hsl": {
    "h": 223.636,
    "s": 66.512,
    "l": 57.843
  },
  "oklch": {
    "l": 0.58087,
    "c": 0.16478,
    "h": 266
  },
  "luminance": 0.18912
}

Semantic roles & 50–950 ramp

primary

#4C73DB

secondary

#DECEA5

accent

#BB3EE9

background

#F9F9FE

surface

#F2F2FC

border

#CCCCD5

text

#0D0E16

muted

#7E7E84

Preview Lab

Preview with #4C73DB

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

Preview Lab → · Contrast checker → · Palette generator →