#4C73BD#4C73BD

#4C73BD is a mid, vivid blue. Relative luminance 0.175; OKLCH L 56.2% C 0.123 H 262.1°. Best body text is #FFFFFF at 4.67:1 contrast (WCAG AA passes).

Color values

HEX	#4C73BD
RGB	rgb(76, 115, 189)
HSL	hsl(219, 46%, 52%)
HSV	hsv(219, 60%, 74%)
CMYK	cmyk(59.8%, 39.2%, 0%, 25.9%)
CIE-LAB	lab(48.85, 9.17, -43.05)
CIE-LCH	lch(48.85, 44.02, 282.02°)
OKLab	oklab(56.19% -0.0169 -0.1222)
OKLCH	oklch(56.19% 0.123 262.1)
XYZ	xyz(18.2934, 17.4705, 50.5424)
Luminance	0.1747 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4C73BD #BD964C

analogous

#4CACBD #4C73BD #5E4CBD

triadic

#4C73BD #BD4C73 #73BD4C

tetradic

#4C73BD #BD4CAC #BD964C #4CBD5E

square

#4C73BD #BD4CAC #BD964C #4CBD5E

split-complementary

#4C73BD #BD5E4C #ACBD4C

monochromatic

#263D68 #375795 #4C73BD #7996CD #A5B9DE

Accessibility & contrast

On white

4.67

#4C73BD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.49

#4C73BD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4C73BD

4.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4C73BD	#FFFFFF	#000000	##FFFFFF
##4C73BD	1.00	4.67	4.49	4.67
#FFFFFF	4.67	1.00	21.00	1.00
#000000	4.49	21.00	1.00	21.00
##FFFFFF	4.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#537AC0

Deuteranopia (green-blind)

#446FBB

Tritanopia (blue-blind)

#00848F

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #4c73bd;
/* rgb */ color: rgb(76, 115, 189);
/* oklch */ color: oklch(56.2% 0.123 262.1);

Tailwind

colors: {
  custom: {
    50: '#879ad1',
    500: '#4c73bd',
    950: '#000000',
  },
}

SCSS

$custom: #4c73bd;
$custom-light: #879ad1;
$custom-dark: #000000;

JSON

{
  "hex": "#4c73bd",
  "rgb": {
    "r": 76,
    "g": 115,
    "b": 189
  },
  "hsl": {
    "h": 219.292,
    "s": 46.122,
    "l": 51.961
  },
  "oklch": {
    "l": 0.56192,
    "c": 0.12339,
    "h": 262.1
  },
  "luminance": 0.17472
}

Semantic roles & 50–950 ramp

primary

#4C73BD

secondary

#CBBA9A

accent

#A852D6

background

#F8F9FC

surface

#F0F2F9

border

#CBCCD2

text

#0C0E14

muted

#7D7E82

Preview Lab

Preview with #4C73BD

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

Preview Lab → · Contrast checker → · Palette generator →