#4A73BA#4A73BA

#4A73BA is a mid, vivid blue. Relative luminance 0.173; OKLCH L 55.9% C 0.120 H 260.7°. Best body text is #FFFFFF at 4.72:1 contrast (WCAG AA passes).

Color values

HEX	#4A73BA
RGB	rgb(74, 115, 186)
HSL	hsl(218, 45%, 51%)
HSV	hsv(218, 60%, 73%)
CMYK	cmyk(60.2%, 38.2%, 0%, 27.1%)
CIE-LAB	lab(48.59, 7.75, -41.74)
CIE-LCH	lch(48.59, 42.45, 280.52°)
OKLab	oklab(55.91% -0.0193 -0.1184)
OKLCH	oklch(55.91% 0.12 260.7)
XYZ	xyz(17.8146, 17.2609, 48.8377)
Luminance	0.1726 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4A73BA #BA914A

analogous

#4AABBA #4A73BA #594ABA

triadic

#4A73BA #BA4A73 #73BA4A

tetradic

#4A73BA #BA4AAB #BA914A #4ABA59

square

#4A73BA #BA4AAB #BA914A #4ABA59

split-complementary

#4A73BA #BA594A #ABBA4A

monochromatic

#263D64 #375790 #4A73BA #7695CB #A3B8DC

Accessibility & contrast

On white

4.72

#4A73BA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.45

#4A73BA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4A73BA

4.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4A73BA	#FFFFFF	#000000	##FFFFFF
##4A73BA	1.00	4.72	4.45	4.72
#FFFFFF	4.72	1.00	21.00	1.00
#000000	4.45	21.00	1.00	21.00
##FFFFFF	4.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5579BD

Deuteranopia (green-blind)

#466FB9

Tritanopia (blue-blind)

#00838D

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #4a73ba;
/* rgb */ color: rgb(74, 115, 186);
/* oklch */ color: oklch(55.9% 0.120 260.7);

Tailwind

colors: {
  custom: {
    50: '#869acf',
    500: '#4a73ba',
    950: '#000000',
  },
}

SCSS

$custom: #4a73ba;
$custom-light: #869acf;
$custom-dark: #000000;

JSON

{
  "hex": "#4a73ba",
  "rgb": {
    "r": 74,
    "g": 115,
    "b": 186
  },
  "hsl": {
    "h": 218.036,
    "s": 44.8,
    "l": 50.98
  },
  "oklch": {
    "l": 0.55911,
    "c": 0.12,
    "h": 260.7
  },
  "luminance": 0.17262
}

Semantic roles & 50–950 ramp

primary

#4A73BA

secondary

#C9B797

accent

#A553D5

background

#F8F9FC

surface

#F0F2F9

border

#CBCCD2

text

#0C0E14

muted

#7D7E82

Preview Lab

Preview with #4A73BA

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

Preview Lab → · Contrast checker → · Palette generator →