#4873BB#4873BB

#4873BB is a mid, vivid blue. Relative luminance 0.172; OKLCH L 55.9% C 0.122 H 260.2°. Best body text is #FFFFFF at 4.72:1 contrast (WCAG AA passes).

Color values

HEX	#4873BB
RGB	rgb(72, 115, 187)
HSL	hsl(218, 46%, 51%)
HSV	hsv(218, 61%, 73%)
CMYK	cmyk(61.5%, 38.5%, 0%, 26.7%)
CIE-LAB	lab(48.54, 7.70, -42.39)
CIE-LCH	lch(48.54, 43.09, 280.29°)
OKLab	oklab(55.87% -0.0209 -0.1204)
OKLCH	oklch(55.87% 0.122 260.2)
XYZ	xyz(17.7697, 17.2255, 49.3925)
Luminance	0.1723 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4873BB #BB9048

analogous

#48ADBB #4873BB #5648BB

triadic

#4873BB #BB4873 #73BB48

tetradic

#4873BB #BB48AD #BB9048 #48BB56

square

#4873BB #BB48AD #BB9048 #48BB56

split-complementary

#4873BB #BB5648 #ADBB48

monochromatic

#253C64 #365790 #4873BB #7595CC #A1B7DC

Accessibility & contrast

On white

4.72

#4873BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.45

#4873BB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4873BB

4.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4873BB	#FFFFFF	#000000	##FFFFFF
##4873BB	1.00	4.72	4.45	4.72
#FFFFFF	4.72	1.00	21.00	1.00
#000000	4.45	21.00	1.00	21.00
##FFFFFF	4.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5479BE

Deuteranopia (green-blind)

#446EB9

Tritanopia (blue-blind)

#00838E

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #4873bb;
/* rgb */ color: rgb(72, 115, 187);
/* oklch */ color: oklch(55.9% 0.122 260.2);

Tailwind

colors: {
  custom: {
    50: '#859ad0',
    500: '#4873bb',
    950: '#000000',
  },
}

SCSS

$custom: #4873bb;
$custom-light: #859ad0;
$custom-dark: #000000;

JSON

{
  "hex": "#4873bb",
  "rgb": {
    "r": 72,
    "g": 115,
    "b": 187
  },
  "hsl": {
    "h": 217.565,
    "s": 45.817,
    "l": 50.784
  },
  "oklch": {
    "l": 0.55868,
    "c": 0.12218,
    "h": 260.2
  },
  "luminance": 0.17227
}

Semantic roles & 50–950 ramp

primary

#4873BB

secondary

#C9B696

accent

#A452D5

background

#F8F9FC

surface

#F0F2F9

border

#CBCCD2

text

#0C0E14

muted

#7D7E82

Preview Lab

Preview with #4873BB

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

Preview Lab → · Contrast checker → · Palette generator →