#4973CB#4973CB

#4973CB is a mid, vivid blue. Relative luminance 0.180; OKLCH L 56.9% C 0.144 H 263.3°. Best body text is #000000 at 4.60:1 contrast (WCAG AA passes).

Color values

HEX	#4973CB
RGB	rgb(73, 115, 203)
HSL	hsl(221, 56%, 54%)
HSV	hsv(221, 64%, 80%)
CMYK	cmyk(64%, 43.3%, 0%, 20.4%)
CIE-LAB	lab(49.48, 13.42, -50.08)
CIE-LCH	lch(49.48, 51.85, 285.00°)
OKLab	oklab(56.9% -0.0167 -0.1429)
OKLCH	oklch(56.9% 0.144 263.3)
XYZ	xyz(19.6541, 17.9879, 58.9246)
Luminance	0.1799 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4973CB #CBA149

analogous

#49B4CB #4973CB #6049CB

triadic

#4973CB #CB4973 #73CB49

tetradic

#4973CB #CB49B4 #CBA149 #49CB60

square

#4973CB #CB49B4 #CBA149 #49CB60

split-complementary

#4973CB #CB6049 #B4CB49

monochromatic

#223E77 #3056A7 #4973CB #7998D9 #A8BCE6

Accessibility & contrast

On white

4.57

#4973CB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.60

#4973CB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4973CB

4.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4973CB	#FFFFFF	#000000	##000000
##4973CB	1.00	4.57	4.60	4.60
#FFFFFF	4.57	1.00	21.00	21.00
#000000	4.60	21.00	1.00	1.00
##000000	4.60	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4A7CCE

Deuteranopia (green-blind)

#3570C9

Tritanopia (blue-blind)

#008795

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #4973cb;
/* rgb */ color: rgb(73, 115, 203);
/* oklch */ color: oklch(56.9% 0.144 263.3);

Tailwind

colors: {
  custom: {
    50: '#889adb',
    500: '#4973cb',
    950: '#000000',
  },
}

SCSS

$custom: #4973cb;
$custom-light: #889adb;
$custom-dark: #000000;

JSON

{
  "hex": "#4973cb",
  "rgb": {
    "r": 73,
    "g": 115,
    "b": 203
  },
  "hsl": {
    "h": 220.615,
    "s": 55.556,
    "l": 54.118
  },
  "oklch": {
    "l": 0.56896,
    "c": 0.14388,
    "h": 263.3
  },
  "luminance": 0.1799
}

Semantic roles & 50–950 ramp

primary

#4973CB

secondary

#D4C29C

accent

#AE49DF

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #4973CB

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

Preview Lab → · Contrast checker → · Palette generator →