#4A73B2#4A73B2

#4A73B2 is a mid, moderate blue. Relative luminance 0.169; OKLCH L 55.5% C 0.109 H 258.7°. Best body text is #FFFFFF at 4.79:1 contrast (WCAG AA passes).

Color values

HEX	#4A73B2
RGB	rgb(74, 115, 178)
HSL	hsl(216, 41%, 49%)
HSV	hsv(216, 58%, 70%)
CMYK	cmyk(58.4%, 35.4%, 0%, 30.2%)
CIE-LAB	lab(48.17, 5.04, -37.76)
CIE-LCH	lch(48.17, 38.10, 277.61°)
OKLab	oklab(55.45% -0.0213 -0.1068)
OKLCH	oklch(55.45% 0.109 258.7)
XYZ	xyz(16.9878, 16.9302, 44.4835)
Luminance	0.1693 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4A73B2 #B2894A

analogous

#4AA7B2 #4A73B2 #554AB2

triadic

#4A73B2 #B24A73 #73B24A

tetradic

#4A73B2 #B24AA7 #B2894A #4AB255

square

#4A73B2 #B24AA7 #B2894A #4AB255

split-complementary

#4A73B2 #B2554A #A7B24A

monochromatic

#263B5C #385787 #4A73B2 #7494C5 #9FB5D7

Accessibility & contrast

On white

4.79

#4A73B2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.39

#4A73B2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4A73B2

4.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4A73B2	#FFFFFF	#000000	##FFFFFF
##4A73B2	1.00	4.79	4.39	4.79
#FFFFFF	4.79	1.00	21.00	1.00
#000000	4.39	21.00	1.00	21.00
##FFFFFF	4.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5978B5

Deuteranopia (green-blind)

#4B6EB1

Tritanopia (blue-blind)

#00818A

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #4a73b2;
/* rgb */ color: rgb(74, 115, 178);
/* oklch */ color: oklch(55.5% 0.109 258.7);

Tailwind

colors: {
  custom: {
    50: '#859bc9',
    500: '#4a73b2',
    950: '#000000',
  },
}

SCSS

$custom: #4a73b2;
$custom-light: #859bc9;
$custom-dark: #000000;

JSON

{
  "hex": "#4a73b2",
  "rgb": {
    "r": 74,
    "g": 115,
    "b": 178
  },
  "hsl": {
    "h": 216.346,
    "s": 41.27,
    "l": 49.412
  },
  "oklch": {
    "l": 0.55453,
    "c": 0.10892,
    "h": 258.7
  },
  "luminance": 0.16932
}

Semantic roles & 50–950 ramp

primary

#4A73B2

secondary

#C4B194

accent

#A157D1

background

#F8F9FC

surface

#F0F2F8

border

#CBCCD1

text

#0C0E13

muted

#7D7E82

Preview Lab

Preview with #4A73B2

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

Preview Lab → · Contrast checker → · Palette generator →