#4973BD#4973BD

#4973BD is a mid, vivid blue. Relative luminance 0.174; OKLCH L 56.0% C 0.125 H 261.0°. Best body text is #FFFFFF at 4.70:1 contrast (WCAG AA passes).

Color values

HEX#4973BD
RGBrgb(73, 115, 189)
HSLhsl(218, 47%, 51%)
HSVhsv(218, 61%, 74%)
CMYKcmyk(61.4%, 39.2%, 0%, 25.9%)
CIE-LABlab(48.70, 8.58, -43.30)
CIE-LCHlch(48.70, 44.14, 281.21°)
OKLaboklab(56.04% -0.0195 -0.123)
OKLCHoklch(56.04% 0.125 261)
XYZxyz(18.0605, 17.3505, 50.5315)
Luminance0.1735 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#4973BD #BD9349
analogous
#49ADBD #4973BD #5949BD
triadic
#4973BD #BD4973 #73BD49
tetradic
#4973BD #BD49AD #BD9349 #49BD59
square
#4973BD #BD49AD #BD9349 #49BD59
split-complementary
#4973BD #BD5949 #ADBD49
monochromatic
#253D66 #355793 #4973BD #7696CD #A3B8DE

Accessibility & contrast

On white

4.70
#4973BD on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.47
#4973BD on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4973BD
4.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##4973BD#FFFFFF#000000##FFFFFF
##4973BD1.004.704.474.70
#FFFFFF4.701.0021.001.00
#0000004.4721.001.0021.00
##FFFFFF4.701.0021.001.00

Color blindness preview

Protanopia (red-blind)
#537AC0
Deuteranopia (green-blind)
#436FBB
Tritanopia (blue-blind)
#00848F
Achromatopsia (no color)
#747474

Design tokens & code

CSS
--color: #4973bd;
/* rgb */ color: rgb(73, 115, 189);
/* oklch */ color: oklch(56.0% 0.125 261.0);
Tailwind
colors: {
  custom: {
    50: '#869ad1',
    500: '#4973bd',
    950: '#000000',
  },
}
SCSS
$custom: #4973bd;
$custom-light: #869ad1;
$custom-dark: #000000;
JSON
{
  "hex": "#4973bd",
  "rgb": {
    "r": 73,
    "g": 115,
    "b": 189
  },
  "hsl": {
    "h": 218.276,
    "s": 46.774,
    "l": 51.373
  },
  "oklch": {
    "l": 0.56037,
    "c": 0.12454,
    "h": 261
  },
  "luminance": 0.17352
}

Semantic roles & 50–950 ramp

primary
#4973BD
secondary
#CAB897
accent
#A651D6
background
#F8F9FC
surface
#F0F2F9
border
#CBCCD2
text
#0C0E14
muted
#7D7E82

Preview Lab

Preview with #4973BD

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

Preview Lab → · Contrast checker → · Palette generator →

#4973BD Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva