#4B73DA#4B73DA

#4B73DA is a mid, vivid blue. Relative luminance 0.188; OKLCH L 58.0% C 0.164 H 265.6°. Best body text is #000000 at 4.76:1 contrast (WCAG AA passes).

Color values

HEX	#4B73DA
RGB	rgb(75, 115, 218)
HSL	hsl(223, 66%, 57%)
HSV	hsv(223, 66%, 85%)
CMYK	cmyk(65.6%, 47.2%, 0%, 14.5%)
CIE-LAB	lab(50.47, 18.99, -57.02)
CIE-LCH	lch(50.47, 60.10, 288.42°)
OKLab	oklab(57.97% -0.0126 -0.1633)
OKLCH	oklch(57.97% 0.164 265.6)
XYZ	xyz(21.6829, 18.8172, 68.8055)
Luminance	0.1882 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B73DA #DAB24B

analogous

#4BBADA #4B73DA #6B4BDA

triadic

#4B73DA #DA4B73 #73DA4B

tetradic

#4B73DA #DA4BBA #DAB24B #4BDA6B

square

#4B73DA #DA4BBA #DAB24B #4BDA6B

split-complementary

#4B73DA #DA6B4B #BADA4B

monochromatic

#1D3D8E #2852C0 #4B73DA #7E9AE4 #B1C2EF

Accessibility & contrast

On white

4.41

#4B73DA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.76

#4B73DA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4B73DA

4.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B73DA	#FFFFFF	#000000	##000000
##4B73DA	1.00	4.41	4.76	4.76
#FFFFFF	4.41	1.00	21.00	21.00
#000000	4.76	21.00	1.00	1.00
##000000	4.76	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E7FDE

Deuteranopia (green-blind)

#1F72D8

Tritanopia (blue-blind)

#008B9C

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #4b73da;
/* rgb */ color: rgb(75, 115, 218);
/* oklch */ color: oklch(58.0% 0.164 265.6);

Tailwind

colors: {
  custom: {
    50: '#8c9ae6',
    500: '#4b73da',
    950: '#000000',
  },
}

SCSS

$custom: #4b73da;
$custom-light: #8c9ae6;
$custom-dark: #000000;

JSON

{
  "hex": "#4b73da",
  "rgb": {
    "r": 75,
    "g": 115,
    "b": 218
  },
  "hsl": {
    "h": 223.217,
    "s": 65.899,
    "l": 57.451
  },
  "oklch": {
    "l": 0.57971,
    "c": 0.16374,
    "h": 265.6
  },
  "luminance": 0.18819
}

Semantic roles & 50–950 ramp

primary

#4B73DA

secondary

#DDCDA4

accent

#B93FE9

background

#F9F9FE

surface

#F1F2FC

border

#CBCCD5

text

#0D0E16

muted

#7E7E84

Preview Lab

Preview with #4B73DA

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

Preview Lab → · Contrast checker → · Palette generator →