#4F73D8#4F73D8

#4F73D8 is a mid, vivid blue. Relative luminance 0.189; OKLCH L 58.0% C 0.160 H 266.7°. Best body text is #000000 at 4.78:1 contrast (WCAG AA passes).

Color values

HEX	#4F73D8
RGB	rgb(79, 115, 216)
HSL	hsl(224, 64%, 58%)
HSV	hsv(224, 63%, 85%)
CMYK	cmyk(63.4%, 46.8%, 0%, 15.3%)
CIE-LAB	lab(50.55, 18.97, -55.76)
CIE-LCH	lch(50.55, 58.90, 288.79°)
OKLab	oklab(58.04% -0.0092 -0.1595)
OKLCH	oklch(58.04% 0.16 266.7)
XYZ	xyz(21.7456, 18.8796, 67.4506)
Luminance	0.1888 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F73D8 #D8B44F

analogous

#4FB7D8 #4F73D8 #704FD8

triadic

#4F73D8 #D84F73 #73D84F

tetradic

#4F73D8 #D84FB7 #D8B44F #4FD870

square

#4F73D8 #D84FB7 #D8B44F #4FD870

split-complementary

#4F73D8 #D8704F #B7D84F

monochromatic

#1F3C8D #2A52BF #4F73D8 #819BE3 #B3C3EE

Accessibility & contrast

On white

4.40

#4F73D8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.78

#4F73D8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4F73D8

4.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F73D8	#FFFFFF	#000000	##000000
##4F73D8	1.00	4.40	4.78	4.78
#FFFFFF	4.40	1.00	21.00	21.00
#000000	4.78	21.00	1.00	1.00
##000000	4.78	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#407FDC

Deuteranopia (green-blind)

#2672D6

Tritanopia (blue-blind)

#008A9B

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #4f73d8;
/* rgb */ color: rgb(79, 115, 216);
/* oklch */ color: oklch(58.0% 0.160 266.7);

Tailwind

colors: {
  custom: {
    50: '#8d9ae5',
    500: '#4f73d8',
    950: '#000000',
  },
}

SCSS

$custom: #4f73d8;
$custom-light: #8d9ae5;
$custom-dark: #000000;

JSON

{
  "hex": "#4f73d8",
  "rgb": {
    "r": 79,
    "g": 115,
    "b": 216
  },
  "hsl": {
    "h": 224.234,
    "s": 63.721,
    "l": 57.843
  },
  "oklch": {
    "l": 0.5804,
    "c": 0.15975,
    "h": 266.7
  },
  "luminance": 0.18882
}

Semantic roles & 50–950 ramp

primary

#4F73D8

secondary

#DDCEA6

accent

#BB41E7

background

#F9F9FE

surface

#F2F2FC

border

#CCCCD5

text

#0D0E16

muted

#7E7E84

Preview Lab

Preview with #4F73D8

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

Preview Lab → · Contrast checker → · Palette generator →