#4B72BF#4B72BF

#4B72BF is a mid, vivid blue. Relative luminance 0.173; OKLCH L 56.0% C 0.128 H 262.7°. Best body text is #FFFFFF at 4.71:1 contrast (WCAG AA passes).

Color values

HEX	#4B72BF
RGB	rgb(75, 114, 191)
HSL	hsl(220, 48%, 52%)
HSV	hsv(220, 61%, 75%)
CMYK	cmyk(60.7%, 40.3%, 0%, 25.1%)
CIE-LAB	lab(48.62, 10.27, -44.56)
CIE-LCH	lch(48.62, 45.73, 282.98°)
OKLab	oklab(56.04% -0.0162 -0.1267)
OKLCH	oklch(56.04% 0.128 262.7)
XYZ	xyz(18.3197, 17.2905, 51.6521)
Luminance	0.1729 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B72BF #BF984B

analogous

#4BACBF #4B72BF #5E4BBF

triadic

#4B72BF #BF4B72 #72BF4B

tetradic

#4B72BF #BF4BAC #BF984B #4BBF5E

square

#4B72BF #BF4BAC #BF984B #4BBF5E

split-complementary

#4B72BF #BF5E4B #ACBF4B

monochromatic

#263D6A #365697 #4B72BF #7895CF #A5B9DF

Accessibility & contrast

On white

4.71

#4B72BF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.46

#4B72BF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4B72BF

4.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B72BF	#FFFFFF	#000000	##FFFFFF
##4B72BF	1.00	4.71	4.46	4.71
#FFFFFF	4.71	1.00	21.00	1.00
#000000	4.46	21.00	1.00	21.00
##FFFFFF	4.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5079C2

Deuteranopia (green-blind)

#406FBD

Tritanopia (blue-blind)

#00838F

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #4b72bf;
/* rgb */ color: rgb(75, 114, 191);
/* oklch */ color: oklch(56.0% 0.128 262.7);

Tailwind

colors: {
  custom: {
    50: '#879ad3',
    500: '#4b72bf',
    950: '#000000',
  },
}

SCSS

$custom: #4b72bf;
$custom-light: #879ad3;
$custom-dark: #000000;

JSON

{
  "hex": "#4b72bf",
  "rgb": {
    "r": 75,
    "g": 114,
    "b": 191
  },
  "hsl": {
    "h": 219.828,
    "s": 47.541,
    "l": 52.157
  },
  "oklch": {
    "l": 0.56041,
    "c": 0.12773,
    "h": 262.7
  },
  "luminance": 0.17292
}

Semantic roles & 50–950 ramp

primary

#4B72BF

secondary

#CCBB9A

accent

#AA51D7

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0C0E14

muted

#7D7E83

Preview Lab

Preview with #4B72BF

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

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