#4C73BC#4C73BC

#4C73BC is a mid, vivid blue. Relative luminance 0.174; OKLCH L 56.1% C 0.122 H 262.0°. Best body text is #FFFFFF at 4.68:1 contrast (WCAG AA passes).

Color values

HEX	#4C73BC
RGB	rgb(76, 115, 188)
HSL	hsl(219, 46%, 52%)
HSV	hsv(219, 60%, 74%)
CMYK	cmyk(59.6%, 38.8%, 0%, 26.3%)
CIE-LAB	lab(48.79, 8.83, -42.56)
CIE-LCH	lch(48.79, 43.46, 281.72°)
OKLab	oklab(56.13% -0.0171 -0.1208)
OKLCH	oklch(56.13% 0.122 262)
XYZ	xyz(18.1852, 17.4273, 49.9727)
Luminance	0.1743 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4C73BC #BC954C

analogous

#4CABBC #4C73BC #5D4CBC

triadic

#4C73BC #BC4C73 #73BC4C

tetradic

#4C73BC #BC4CAB #BC954C #4CBC5D

square

#4C73BC #BC4CAB #BC954C #4CBC5D

split-complementary

#4C73BC #BC5D4C #ABBC4C

monochromatic

#273D67 #375794 #4C73BC #7996CD #A5B9DD

Accessibility & contrast

On white

4.68

#4C73BC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.49

#4C73BC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4C73BC

4.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4C73BC	#FFFFFF	#000000	##FFFFFF
##4C73BC	1.00	4.68	4.49	4.68
#FFFFFF	4.68	1.00	21.00	1.00
#000000	4.49	21.00	1.00	21.00
##FFFFFF	4.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#547ABF

Deuteranopia (green-blind)

#456FBA

Tritanopia (blue-blind)

#00838E

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #4c73bc;
/* rgb */ color: rgb(76, 115, 188);
/* oklch */ color: oklch(56.1% 0.122 262.0);

Tailwind

colors: {
  custom: {
    50: '#879ad0',
    500: '#4c73bc',
    950: '#000000',
  },
}

SCSS

$custom: #4c73bc;
$custom-light: #879ad0;
$custom-dark: #000000;

JSON

{
  "hex": "#4c73bc",
  "rgb": {
    "r": 76,
    "g": 115,
    "b": 188
  },
  "hsl": {
    "h": 219.107,
    "s": 45.528,
    "l": 51.765
  },
  "oklch": {
    "l": 0.56133,
    "c": 0.12199,
    "h": 262
  },
  "luminance": 0.17429
}

Semantic roles & 50–950 ramp

primary

#4C73BC

secondary

#CAB999

accent

#A853D5

background

#F8F9FC

surface

#F0F2F9

border

#CBCCD2

text

#0C0E14

muted

#7D7E82

Preview Lab

Preview with #4C73BC

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

Preview Lab → · Contrast checker → · Palette generator →