#4B73BE#4B73BE

#4B73BE is a mid, vivid blue. Relative luminance 0.175; OKLCH L 56.2% C 0.125 H 261.9°. Best body text is #FFFFFF at 4.67:1 contrast (WCAG AA passes).

Color values

HEX	#4B73BE
RGB	rgb(75, 115, 190)
HSL	hsl(219, 47%, 52%)
HSV	hsv(219, 61%, 75%)
CMYK	cmyk(60.5%, 39.5%, 0%, 25.5%)
CIE-LAB	lab(48.85, 9.31, -43.62)
CIE-LCH	lch(48.85, 44.61, 282.05°)
OKLab	oklab(56.2% -0.0175 -0.1239)
OKLCH	oklch(56.2% 0.125 261.9)
XYZ	xyz(18.3234, 17.4734, 51.1123)
Luminance	0.1747 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B73BE #BE964B

analogous

#4BADBE #4B73BE #5C4BBE

triadic

#4B73BE #BE4B73 #73BE4B

tetradic

#4B73BE #BE4BAD #BE964B #4BBE5C

square

#4B73BE #BE4BAD #BE964B #4BBE5C

split-complementary

#4B73BE #BE5C4B #ADBE4B

monochromatic

#263D69 #365796 #4B73BE #7896CE #A5B9DE

Accessibility & contrast

On white

4.67

#4B73BE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.50

#4B73BE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #4B73BE

4.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B73BE	#FFFFFF	#000000	##FFFFFF
##4B73BE	1.00	4.67	4.50	4.67
#FFFFFF	4.67	1.00	21.00	1.00
#000000	4.50	21.00	1.00	21.00
##FFFFFF	4.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#537AC1

Deuteranopia (green-blind)

#436FBC

Tritanopia (blue-blind)

#00848F

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #4b73be;
/* rgb */ color: rgb(75, 115, 190);
/* oklch */ color: oklch(56.2% 0.125 261.9);

Tailwind

colors: {
  custom: {
    50: '#879ad2',
    500: '#4b73be',
    950: '#000000',
  },
}

SCSS

$custom: #4b73be;
$custom-light: #879ad2;
$custom-dark: #000000;

JSON

{
  "hex": "#4b73be",
  "rgb": {
    "r": 75,
    "g": 115,
    "b": 190
  },
  "hsl": {
    "h": 219.13,
    "s": 46.939,
    "l": 51.961
  },
  "oklch": {
    "l": 0.56199,
    "c": 0.12517,
    "h": 261.9
  },
  "luminance": 0.17475
}

Semantic roles & 50–950 ramp

primary

#4B73BE

secondary

#CCBA99

accent

#A851D7

background

#F8F9FC

surface

#F0F2F9

border

#CBCCD2

text

#0C0E14

muted

#7D7E82

Preview Lab

Preview with #4B73BE

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

Preview Lab → · Contrast checker → · Palette generator →