#4C73DD#4C73DD

#4C73DD is a mid, vivid blue. Relative luminance 0.190; OKLCH L 58.2% C 0.168 H 266.1°. Best body text is #000000 at 4.80:1 contrast (WCAG AA passes).

Color values

HEX	#4C73DD
RGB	rgb(76, 115, 221)
HSL	hsl(224, 68%, 58%)
HSV	hsv(224, 66%, 87%)
CMYK	cmyk(65.6%, 48%, 0%, 13.3%)
CIE-LAB	lab(50.71, 20.20, -58.34)
CIE-LCH	lch(50.71, 61.73, 289.10°)
OKLab	oklab(58.22% -0.0113 -0.1671)
OKLCH	oklch(58.22% 0.168 266.1)
XYZ	xyz(22.1578, 19.0163, 70.8954)
Luminance	0.1902 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4C73DD #DDB64C

analogous

#4CBBDD #4C73DD #6D4CDD

triadic

#4C73DD #DD4C73 #73DD4C

tetradic

#4C73DD #DD4CBB #DDB64C #4CDD6D

square

#4C73DD #DD4CBB #DDB64C #4CDD6D

split-complementary

#4C73DD #DD6D4C #BBDD4C

monochromatic

#1C3C93 #2651C6 #4C73DD #7F9BE7 #B3C3F1

Accessibility & contrast

On white

4.37

#4C73DD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.80

#4C73DD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4C73DD

4.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4C73DD	#FFFFFF	#000000	##000000
##4C73DD	1.00	4.37	4.80	4.80
#FFFFFF	4.37	1.00	21.00	21.00
#000000	4.80	21.00	1.00	1.00
##000000	4.80	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B80E1

Deuteranopia (green-blind)

#1872DB

Tritanopia (blue-blind)

#008C9D

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #4c73dd;
/* rgb */ color: rgb(76, 115, 221);
/* oklch */ color: oklch(58.2% 0.168 266.1);

Tailwind

colors: {
  custom: {
    50: '#8d9ae8',
    500: '#4c73dd',
    950: '#000000',
  },
}

SCSS

$custom: #4c73dd;
$custom-light: #8d9ae8;
$custom-dark: #000000;

JSON

{
  "hex": "#4c73dd",
  "rgb": {
    "r": 76,
    "g": 115,
    "b": 221
  },
  "hsl": {
    "h": 223.862,
    "s": 68.075,
    "l": 58.235
  },
  "oklch": {
    "l": 0.58222,
    "c": 0.1675,
    "h": 266.1
  },
  "luminance": 0.19018
}

Semantic roles & 50–950 ramp

primary

#4C73DD

secondary

#DFD0A6

accent

#BC3DEB

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0D0E16

muted

#7E7E84

Preview Lab

Preview with #4C73DD

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

Preview Lab → · Contrast checker → · Palette generator →