#4D72BB#4D72BB

#4D72BB is a mid, vivid blue. Relative luminance 0.172; OKLCH L 55.9% C 0.121 H 262.8°. Best body text is #FFFFFF at 4.73:1 contrast (WCAG AA passes).

Color values

HEX	#4D72BB
RGB	rgb(77, 114, 187)
HSL	hsl(220, 45%, 52%)
HSV	hsv(220, 59%, 73%)
CMYK	cmyk(58.8%, 39%, 0%, 26.7%)
CIE-LAB	lab(48.51, 9.31, -42.43)
CIE-LCH	lch(48.51, 43.44, 282.38°)
OKLab	oklab(55.91% -0.0153 -0.1204)
OKLCH	oklch(55.91% 0.121 262.8)
XYZ	xyz(18.0444, 17.1988, 49.3729)
Luminance	0.1720 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4D72BB #BB964D

analogous

#4DA9BB #4D72BB #5F4DBB

triadic

#4D72BB #BB4D72 #72BB4D

tetradic

#4D72BB #BB4DA9 #BB964D #4DBB5F

square

#4D72BB #BB4DA9 #BB964D #4DBB5F

split-complementary

#4D72BB #BB5F4D #A9BB4D

monochromatic

#273C66 #385793 #4D72BB #7995CC #A6B8DD

Accessibility & contrast

On white

4.73

#4D72BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.44

#4D72BB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4D72BB

4.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4D72BB	#FFFFFF	#000000	##FFFFFF
##4D72BB	1.00	4.73	4.44	4.73
#FFFFFF	4.73	1.00	21.00	1.00
#000000	4.44	21.00	1.00	21.00
##FFFFFF	4.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5379BE

Deuteranopia (green-blind)

#456FB9

Tritanopia (blue-blind)

#00828D

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #4d72bb;
/* rgb */ color: rgb(77, 114, 187);
/* oklch */ color: oklch(55.9% 0.121 262.8);

Tailwind

colors: {
  custom: {
    50: '#889ad0',
    500: '#4d72bb',
    950: '#000000',
  },
}

SCSS

$custom: #4d72bb;
$custom-light: #889ad0;
$custom-dark: #000000;

JSON

{
  "hex": "#4d72bb",
  "rgb": {
    "r": 77,
    "g": 114,
    "b": 187
  },
  "hsl": {
    "h": 219.818,
    "s": 44.715,
    "l": 51.765
  },
  "oklch": {
    "l": 0.5591,
    "c": 0.12138,
    "h": 262.8
  },
  "luminance": 0.172
}

Semantic roles & 50–950 ramp

primary

#4D72BB

secondary

#CABA9A

accent

#A953D4

background

#F8F9FC

surface

#F0F2F9

border

#CBCCD2

text

#0C0E14

muted

#7D7E82

Preview Lab

Preview with #4D72BB

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

Preview Lab → · Contrast checker → · Palette generator →