#4F73BD#4F73BD

#4F73BD is a mid, vivid blue. Relative luminance 0.176; OKLCH L 56.4% C 0.122 H 263.4°. Best body text is #FFFFFF at 4.65:1 contrast (WCAG AA passes).

Color values

HEX	#4F73BD
RGB	rgb(79, 115, 189)
HSL	hsl(220, 45%, 53%)
HSV	hsv(220, 58%, 74%)
CMYK	cmyk(58.2%, 39.2%, 0%, 25.9%)
CIE-LAB	lab(49.00, 9.78, -42.79)
CIE-LCH	lch(49.00, 43.90, 282.87°)
OKLab	oklab(56.35% -0.0141 -0.1214)
OKLCH	oklch(56.35% 0.122 263.4)
XYZ	xyz(18.5373, 17.5963, 50.5538)
Luminance	0.1760 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F73BD #BD994F

analogous

#4FAABD #4F73BD #624FBD

triadic

#4F73BD #BD4F73 #73BD4F

tetradic

#4F73BD #BD4FAA #BD994F #4FBD62

square

#4F73BD #BD4FAA #BD994F #4FBD62

split-complementary

#4F73BD #BD624F #AABD4F

monochromatic

#283D6A #385796 #4F73BD #7C96CE #A8BADE

Accessibility & contrast

On white

4.65

#4F73BD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.52

#4F73BD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #4F73BD

4.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F73BD	#FFFFFF	#000000	##FFFFFF
##4F73BD	1.00	4.65	4.52	4.65
#FFFFFF	4.65	1.00	21.00	1.00
#000000	4.52	21.00	1.00	21.00
##FFFFFF	4.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#547AC0

Deuteranopia (green-blind)

#4570BB

Tritanopia (blue-blind)

#00838F

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #4f73bd;
/* rgb */ color: rgb(79, 115, 189);
/* oklch */ color: oklch(56.4% 0.122 263.4);

Tailwind

colors: {
  custom: {
    50: '#899ad1',
    500: '#4f73bd',
    950: '#000000',
  },
}

SCSS

$custom: #4f73bd;
$custom-light: #899ad1;
$custom-dark: #000000;

JSON

{
  "hex": "#4f73bd",
  "rgb": {
    "r": 79,
    "g": 115,
    "b": 189
  },
  "hsl": {
    "h": 220.364,
    "s": 45.455,
    "l": 52.549
  },
  "oklch": {
    "l": 0.56354,
    "c": 0.12224,
    "h": 263.4
  },
  "luminance": 0.17598
}

Semantic roles & 50–950 ramp

primary

#4F73BD

secondary

#CCBC9C

accent

#AA53D5

background

#F8F9FC

surface

#F0F2F9

border

#CBCCD2

text

#0C0E14

muted

#7D7E82

Preview Lab

Preview with #4F73BD

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

Preview Lab → · Contrast checker → · Palette generator →