#4B72CC#4B72CC

#4B72CC is a mid, vivid blue. Relative luminance 0.179; OKLCH L 56.8% C 0.146 H 264.6°. Best body text is #FFFFFF at 4.59:1 contrast (WCAG AA passes).

Color values

HEX	#4B72CC
RGB	rgb(75, 114, 204)
HSL	hsl(222, 56%, 55%)
HSV	hsv(222, 63%, 80%)
CMYK	cmyk(63.2%, 44.1%, 0%, 20%)
CIE-LAB	lab(49.36, 14.75, -50.84)
CIE-LCH	lch(49.36, 52.94, 286.17°)
OKLab	oklab(56.85% -0.0138 -0.1451)
OKLCH	oklch(56.85% 0.146 264.6)
XYZ	xyz(19.8143, 17.8883, 59.5236)
Luminance	0.1789 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B72CC #CCA54B

analogous

#4BB3CC #4B72CC #644BCC

triadic

#4B72CC #CC4B72 #72CC4B

tetradic

#4B72CC #CC4BB3 #CCA54B #4BCC64

square

#4B72CC #CC4BB3 #CCA54B #4BCC64

split-complementary

#4B72CC #CC644B #B3CC4B

monochromatic

#233D7A #3055AA #4B72CC #7B97DA #AABDE7

Accessibility & contrast

On white

4.59

#4B72CC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.58

#4B72CC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #4B72CC

4.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B72CC	#FFFFFF	#000000	##FFFFFF
##4B72CC	1.00	4.59	4.58	4.59
#FFFFFF	4.59	1.00	21.00	1.00
#000000	4.58	21.00	1.00	21.00
##FFFFFF	4.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#487CCF

Deuteranopia (green-blind)

#3370CA

Tritanopia (blue-blind)

#008695

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #4b72cc;
/* rgb */ color: rgb(75, 114, 204);
/* oklch */ color: oklch(56.8% 0.146 264.6);

Tailwind

colors: {
  custom: {
    50: '#899adc',
    500: '#4b72cc',
    950: '#000000',
  },
}

SCSS

$custom: #4b72cc;
$custom-light: #899adc;
$custom-dark: #000000;

JSON

{
  "hex": "#4b72cc",
  "rgb": {
    "r": 75,
    "g": 114,
    "b": 204
  },
  "hsl": {
    "h": 221.86,
    "s": 55.844,
    "l": 54.706
  },
  "oklch": {
    "l": 0.56847,
    "c": 0.14577,
    "h": 264.6
  },
  "luminance": 0.1789
}

Semantic roles & 50–950 ramp

primary

#4B72CC

secondary

#D5C49E

accent

#B249DF

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0D0E15

muted

#7D7E83

Preview Lab

Preview with #4B72CC

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

Preview Lab → · Contrast checker → · Palette generator →