#4973BB#4973BB

#4973BB is a mid, vivid blue. Relative luminance 0.173; OKLCH L 55.9% C 0.122 H 260.5°. Best body text is #FFFFFF at 4.72:1 contrast (WCAG AA passes).

Color values

HEX	#4973BB
RGB	rgb(73, 115, 187)
HSL	hsl(218, 46%, 51%)
HSV	hsv(218, 61%, 73%)
CMYK	cmyk(61%, 38.5%, 0%, 26.7%)
CIE-LAB	lab(48.59, 7.89, -42.31)
CIE-LCH	lch(48.59, 43.04, 280.57°)
OKLab	oklab(55.92% -0.02 -0.1201)
OKLCH	oklch(55.92% 0.122 260.5)
XYZ	xyz(17.8449, 17.2642, 49.3960)
Luminance	0.1727 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4973BB #BB9149

analogous

#49ACBB #4973BB #5849BB

triadic

#4973BB #BB4973 #73BB49

tetradic

#4973BB #BB49AC #BB9149 #49BB58

square

#4973BB #BB49AC #BB9149 #49BB58

split-complementary

#4973BB #BB5849 #ACBB49

monochromatic

#253D64 #365791 #4973BB #7695CC #A2B8DC

Accessibility & contrast

On white

4.72

#4973BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.45

#4973BB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4973BB

4.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4973BB	#FFFFFF	#000000	##FFFFFF
##4973BB	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)

#456FB9

Tritanopia (blue-blind)

#00838E

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #4973bb;
/* rgb */ color: rgb(73, 115, 187);
/* oklch */ color: oklch(55.9% 0.122 260.5);

Tailwind

colors: {
  custom: {
    50: '#859ad0',
    500: '#4973bb',
    950: '#000000',
  },
}

SCSS

$custom: #4973bb;
$custom-light: #859ad0;
$custom-dark: #000000;

JSON

{
  "hex": "#4973bb",
  "rgb": {
    "r": 73,
    "g": 115,
    "b": 187
  },
  "hsl": {
    "h": 217.895,
    "s": 45.6,
    "l": 50.98
  },
  "oklch": {
    "l": 0.55918,
    "c": 0.12178,
    "h": 260.5
  },
  "luminance": 0.17266
}

Semantic roles & 50–950 ramp

primary

#4973BB

secondary

#C9B797

accent

#A553D5

background

#F8F9FC

surface

#F0F2F9

border

#CBCCD2

text

#0C0E14

muted

#7D7E82

Preview Lab

Preview with #4973BB

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

Preview Lab → · Contrast checker → · Palette generator →