#4B73C7#4B73C7

#4B73C7 is a mid, vivid blue. Relative luminance 0.179; OKLCH L 56.7% C 0.138 H 263.5°. Best body text is #FFFFFF at 4.59:1 contrast (WCAG AA passes).

Color values

HEX	#4B73C7
RGB	rgb(75, 115, 199)
HSL	hsl(221, 53%, 54%)
HSV	hsv(221, 62%, 78%)
CMYK	cmyk(62.3%, 42.2%, 0%, 22%)
CIE-LAB	lab(49.35, 12.40, -48.00)
CIE-LCH	lch(49.35, 49.58, 284.48°)
OKLab	oklab(56.75% -0.0157 -0.1368)
OKLCH	oklch(56.75% 0.138 263.5)
XYZ	xyz(19.3376, 17.8791, 56.4537)
Luminance	0.1788 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B73C7 #C79F4B

analogous

#4BB1C7 #4B73C7 #614BC7

triadic

#4B73C7 #C74B73 #73C74B

tetradic

#4B73C7 #C74BB1 #C79F4B #4BC761

square

#4B73C7 #C74BB1 #C79F4B #4BC761

split-complementary

#4B73C7 #C7614B #B1C74B

monochromatic

#243E74 #3257A2 #4B73C7 #7A97D6 #A8BCE4

Accessibility & contrast

On white

4.59

#4B73C7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.58

#4B73C7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #4B73C7

4.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B73C7	#FFFFFF	#000000	##FFFFFF
##4B73C7	1.00	4.59	4.58	4.59
#FFFFFF	4.59	1.00	21.00	1.00
#000000	4.58	21.00	1.00	21.00
##FFFFFF	4.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4D7BCA

Deuteranopia (green-blind)

#3B70C5

Tritanopia (blue-blind)

#008693

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #4b73c7;
/* rgb */ color: rgb(75, 115, 199);
/* oklch */ color: oklch(56.7% 0.138 263.5);

Tailwind

colors: {
  custom: {
    50: '#889ad8',
    500: '#4b73c7',
    950: '#000000',
  },
}

SCSS

$custom: #4b73c7;
$custom-light: #889ad8;
$custom-dark: #000000;

JSON

{
  "hex": "#4b73c7",
  "rgb": {
    "r": 75,
    "g": 115,
    "b": 199
  },
  "hsl": {
    "h": 220.645,
    "s": 52.542,
    "l": 53.725
  },
  "oklch": {
    "l": 0.56746,
    "c": 0.13766,
    "h": 263.5
  },
  "luminance": 0.17881
}

Semantic roles & 50–950 ramp

primary

#4B73C7

secondary

#D1C09C

accent

#AD4CDC

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0C0E14

muted

#7D7E83

Preview Lab

Preview with #4B73C7

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

Preview Lab → · Contrast checker → · Palette generator →