#4F72BF#4F72BF

#4F72BF is a mid, vivid blue. Relative luminance 0.175; OKLCH L 56.3% C 0.126 H 264.3°. Best body text is #FFFFFF at 4.68:1 contrast (WCAG AA passes).

Color values

HEX	#4F72BF
RGB	rgb(79, 114, 191)
HSL	hsl(221, 47%, 53%)
HSV	hsv(221, 59%, 75%)
CMYK	cmyk(58.6%, 40.3%, 0%, 25.1%)
CIE-LAB	lab(48.83, 11.07, -44.22)
CIE-LCH	lch(48.83, 45.58, 284.05°)
OKLab	oklab(56.26% -0.0126 -0.1256)
OKLCH	oklch(56.26% 0.126 264.3)
XYZ	xyz(18.6425, 17.4569, 51.6672)
Luminance	0.1746 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F72BF #BF9C4F

analogous

#4FAABF #4F72BF #644FBF

triadic

#4F72BF #BF4F72 #72BF4F

tetradic

#4F72BF #BF4FAA #BF9C4F #4FBF64

square

#4F72BF #BF4FAA #BF9C4F #4FBF64

split-complementary

#4F72BF #BF644F #AABF4F

monochromatic

#273D6C #385699 #4F72BF #7C96CF #A9BAE0

Accessibility & contrast

On white

4.68

#4F72BF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.49

#4F72BF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4F72BF

4.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F72BF	#FFFFFF	#000000	##FFFFFF
##4F72BF	1.00	4.68	4.49	4.68
#FFFFFF	4.68	1.00	21.00	1.00
#000000	4.49	21.00	1.00	21.00
##FFFFFF	4.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#517AC2

Deuteranopia (green-blind)

#426FBD

Tritanopia (blue-blind)

#00838F

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #4f72bf;
/* rgb */ color: rgb(79, 114, 191);
/* oklch */ color: oklch(56.3% 0.126 264.3);

Tailwind

colors: {
  custom: {
    50: '#899ad3',
    500: '#4f72bf',
    950: '#000000',
  },
}

SCSS

$custom: #4f72bf;
$custom-light: #899ad3;
$custom-dark: #000000;

JSON

{
  "hex": "#4f72bf",
  "rgb": {
    "r": 79,
    "g": 114,
    "b": 191
  },
  "hsl": {
    "h": 221.25,
    "s": 46.667,
    "l": 52.941
  },
  "oklch": {
    "l": 0.56257,
    "c": 0.12624,
    "h": 264.3
  },
  "luminance": 0.17458
}

Semantic roles & 50–950 ramp

primary

#4F72BF

secondary

#CDBE9D

accent

#AD51D6

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0C0E14

muted

#7D7E83

Preview Lab

Preview with #4F72BF

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

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