#4F73BE#4F73BE

#4F73BE is a mid, vivid blue. Relative luminance 0.176; OKLCH L 56.4% C 0.124 H 263.6°. Best body text is #FFFFFF at 4.64:1 contrast (WCAG AA passes).

Color values

HEX	#4F73BE
RGB	rgb(79, 115, 190)
HSL	hsl(221, 46%, 53%)
HSV	hsv(221, 58%, 75%)
CMYK	cmyk(58.4%, 39.5%, 0%, 25.5%)
CIE-LAB	lab(49.06, 10.11, -43.29)
CIE-LCH	lch(49.06, 44.45, 283.15°)
OKLab	oklab(56.41% -0.0139 -0.1229)
OKLCH	oklch(56.41% 0.124 263.6)
XYZ	xyz(18.6463, 17.6399, 51.1274)
Luminance	0.1764 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F73BE #BE9A4F

analogous

#4FAABE #4F73BE #634FBE

triadic

#4F73BE #BE4F73 #73BE4F

tetradic

#4F73BE #BE4FAA #BE9A4F #4FBE63

square

#4F73BE #BE4FAA #BE9A4F #4FBE63

split-complementary

#4F73BE #BE634F #AABE4F

monochromatic

#283D6B #385798 #4F73BE #7C97CF #A8BADF

Accessibility & contrast

On white

4.64

#4F73BE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.53

#4F73BE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #4F73BE

4.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F73BE	#FFFFFF	#000000	##FFFFFF
##4F73BE	1.00	4.64	4.53	4.64
#FFFFFF	4.64	1.00	21.00	1.00
#000000	4.53	21.00	1.00	21.00
##FFFFFF	4.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#537AC1

Deuteranopia (green-blind)

#4570BC

Tritanopia (blue-blind)

#00848F

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #4f73be;
/* rgb */ color: rgb(79, 115, 190);
/* oklch */ color: oklch(56.4% 0.124 263.6);

Tailwind

colors: {
  custom: {
    50: '#899ad2',
    500: '#4f73be',
    950: '#000000',
  },
}

SCSS

$custom: #4f73be;
$custom-light: #899ad2;
$custom-dark: #000000;

JSON

{
  "hex": "#4f73be",
  "rgb": {
    "r": 79,
    "g": 115,
    "b": 190
  },
  "hsl": {
    "h": 220.541,
    "s": 46.058,
    "l": 52.745
  },
  "oklch": {
    "l": 0.56413,
    "c": 0.12365,
    "h": 263.6
  },
  "luminance": 0.17641
}

Semantic roles & 50–950 ramp

primary

#4F73BE

secondary

#CCBD9C

accent

#AB52D6

background

#F8F9FC

surface

#F0F2F9

border

#CBCCD2

text

#0C0E14

muted

#7D7E82

Preview Lab

Preview with #4F73BE

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

Preview Lab → · Contrast checker → · Palette generator →