#4B72E3#4B72E3

#4B72E3 is a mid, vivid blue. Relative luminance 0.191; OKLCH L 58.4% C 0.177 H 266.6°. Best body text is #000000 at 4.82:1 contrast (WCAG AA passes).

Color values

HEX	#4B72E3
RGB	rgb(75, 114, 227)
HSL	hsl(225, 73%, 59%)
HSV	hsv(225, 67%, 89%)
CMYK	cmyk(67%, 49.8%, 0%, 11%)
CIE-LAB	lab(50.77, 22.76, -61.61)
CIE-LCH	lch(50.77, 65.68, 290.27°)
OKLab	oklab(58.38% -0.0105 -0.1768)
OKLCH	oklch(58.38% 0.177 266.6)
XYZ	xyz(22.7793, 19.0743, 75.1394)
Luminance	0.1908 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B72E3 #E3BC4B

analogous

#4BBEE3 #4B72E3 #704BE3

triadic

#4B72E3 #E34B72 #72E34B

tetradic

#4B72E3 #E34BBE #E3BC4B #4BE370

square

#4B72E3 #E34BBE #E3BC4B #4BE370

split-complementary

#4B72E3 #E3704B #BEE34B

monochromatic

#183A9B #204ED0 #4B72E3 #809BEB #B5C5F3

Accessibility & contrast

On white

4.36

#4B72E3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.82

#4B72E3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4B72E3

4.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B72E3	#FFFFFF	#000000	##000000
##4B72E3	1.00	4.36	4.82	4.82
#FFFFFF	4.36	1.00	21.00	21.00
#000000	4.82	21.00	1.00	1.00
##000000	4.82	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#3180E7

Deuteranopia (green-blind)

#0072E1

Tritanopia (blue-blind)

#008DA0

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #4b72e3;
/* rgb */ color: rgb(75, 114, 227);
/* oklch */ color: oklch(58.4% 0.177 266.6);

Tailwind

colors: {
  custom: {
    50: '#8d9aec',
    500: '#4b72e3',
    950: '#000000',
  },
}

SCSS

$custom: #4b72e3;
$custom-light: #8d9aec;
$custom-dark: #000000;

JSON

{
  "hex": "#4b72e3",
  "rgb": {
    "r": 75,
    "g": 114,
    "b": 227
  },
  "hsl": {
    "h": 224.605,
    "s": 73.077,
    "l": 59.216
  },
  "oklch": {
    "l": 0.58382,
    "c": 0.1771,
    "h": 266.6
  },
  "luminance": 0.19077
}

Semantic roles & 50–950 ramp

primary

#4B72E3

secondary

#E3D3A7

accent

#C138F0

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0E0E16

muted

#7E7E84

Preview Lab

Preview with #4B72E3

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

Preview Lab → · Contrast checker → · Palette generator →