#4D73BB#4D73BB

#4D73BB is a mid, vivid blue. Relative luminance 0.174; OKLCH L 56.1% C 0.120 H 262.2°. Best body text is #FFFFFF at 4.68:1 contrast (WCAG AA passes).

Color values

HEX	#4D73BB
RGB	rgb(77, 115, 187)
HSL	hsl(219, 45%, 52%)
HSV	hsv(219, 59%, 73%)
CMYK	cmyk(58.8%, 38.5%, 0%, 26.7%)
CIE-LAB	lab(48.79, 8.69, -41.98)
CIE-LCH	lch(48.79, 42.87, 281.70°)
OKLab	oklab(56.13% -0.0164 -0.1191)
OKLCH	oklch(56.13% 0.12 262.2)
XYZ	xyz(18.1578, 17.4256, 49.4107)
Luminance	0.1743 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4D73BB #BB954D

analogous

#4DAABB #4D73BB #5E4DBB

triadic

#4D73BB #BB4D73 #73BB4D

tetradic

#4D73BB #BB4DAA #BB954D #4DBB5E

square

#4D73BB #BB4DAA #BB954D #4DBB5E

split-complementary

#4D73BB #BB5E4D #AABB4D

monochromatic

#273D66 #385793 #4D73BB #7996CC #A6B9DD

Accessibility & contrast

On white

4.68

#4D73BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.49

#4D73BB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4D73BB

4.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4D73BB	#FFFFFF	#000000	##FFFFFF
##4D73BB	1.00	4.68	4.49	4.68
#FFFFFF	4.68	1.00	21.00	1.00
#000000	4.49	21.00	1.00	21.00
##FFFFFF	4.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5579BE

Deuteranopia (green-blind)

#466FB9

Tritanopia (blue-blind)

#00838E

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #4d73bb;
/* rgb */ color: rgb(77, 115, 187);
/* oklch */ color: oklch(56.1% 0.120 262.2);

Tailwind

colors: {
  custom: {
    50: '#889ad0',
    500: '#4d73bb',
    950: '#000000',
  },
}

SCSS

$custom: #4d73bb;
$custom-light: #889ad0;
$custom-dark: #000000;

JSON

{
  "hex": "#4d73bb",
  "rgb": {
    "r": 77,
    "g": 115,
    "b": 187
  },
  "hsl": {
    "h": 219.273,
    "s": 44.715,
    "l": 51.765
  },
  "oklch": {
    "l": 0.56128,
    "c": 0.12021,
    "h": 262.2
  },
  "luminance": 0.17427
}

Semantic roles & 50–950 ramp

primary

#4D73BB

secondary

#CAB99A

accent

#A853D4

background

#F8F9FC

surface

#F0F2F9

border

#CBCCD2

text

#0C0E14

muted

#7D7E82

Preview Lab

Preview with #4D73BB

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

Preview Lab → · Contrast checker → · Palette generator →