#4D72BC#4D72BC

#4D72BC is a mid, vivid blue. Relative luminance 0.172; OKLCH L 56.0% C 0.123 H 262.9°. Best body text is #FFFFFF at 4.72:1 contrast (WCAG AA passes).

Color values

HEX	#4D72BC
RGB	rgb(77, 114, 188)
HSL	hsl(220, 45%, 52%)
HSV	hsv(220, 59%, 74%)
CMYK	cmyk(59%, 39.4%, 0%, 26.3%)
CIE-LAB	lab(48.56, 9.65, -42.92)
CIE-LCH	lch(48.56, 43.99, 282.67°)
OKLab	oklab(55.97% -0.0151 -0.1218)
OKLCH	oklch(55.97% 0.123 262.9)
XYZ	xyz(18.1519, 17.2417, 49.9386)
Luminance	0.1724 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4D72BC #BC974D

analogous

#4DAABC #4D72BC #604DBC

triadic

#4D72BC #BC4D72 #72BC4D

tetradic

#4D72BC #BC4DAA #BC974D #4DBC60

square

#4D72BC #BC4DAA #BC974D #4DBC60

split-complementary

#4D72BC #BC604D #AABC4D

monochromatic

#273D68 #385794 #4D72BC #7995CD #A6B8DD

Accessibility & contrast

On white

4.72

#4D72BC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.45

#4D72BC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4D72BC

4.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4D72BC	#FFFFFF	#000000	##FFFFFF
##4D72BC	1.00	4.72	4.45	4.72
#FFFFFF	4.72	1.00	21.00	1.00
#000000	4.45	21.00	1.00	21.00
##FFFFFF	4.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5279BF

Deuteranopia (green-blind)

#446FBA

Tritanopia (blue-blind)

#00828E

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #4d72bc;
/* rgb */ color: rgb(77, 114, 188);
/* oklch */ color: oklch(56.0% 0.123 262.9);

Tailwind

colors: {
  custom: {
    50: '#889ad0',
    500: '#4d72bc',
    950: '#000000',
  },
}

SCSS

$custom: #4d72bc;
$custom-light: #889ad0;
$custom-dark: #000000;

JSON

{
  "hex": "#4d72bc",
  "rgb": {
    "r": 77,
    "g": 114,
    "b": 188
  },
  "hsl": {
    "h": 220,
    "s": 45.306,
    "l": 51.961
  },
  "oklch": {
    "l": 0.55969,
    "c": 0.12278,
    "h": 262.9
  },
  "luminance": 0.17243
}

Semantic roles & 50–950 ramp

primary

#4D72BC

secondary

#CBBA9A

accent

#AA53D5

background

#F8F9FC

surface

#F0F2F9

border

#CBCCD2

text

#0C0E14

muted

#7D7E82

Preview Lab

Preview with #4D72BC

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

Preview Lab → · Contrast checker → · Palette generator →