#4B56BB#4B56BB

#4B56BB is a mid, vivid blue. Relative luminance 0.117; OKLCH L 50.0% C 0.158 H 274.5°. Best body text is #FFFFFF at 6.27:1 contrast (WCAG AA passes).

Color values

HEX	#4B56BB
RGB	rgb(75, 86, 187)
HSL	hsl(234, 45%, 51%)
HSV	hsv(234, 60%, 73%)
CMYK	cmyk(59.9%, 54%, 0%, 26.7%)
CIE-LAB	lab(40.80, 26.56, -54.78)
CIE-LCH	lch(40.80, 60.88, 295.86°)
OKLab	oklab(50% 0.0124 -0.1571)
OKLCH	oklch(50% 0.158 274.5)
XYZ	xyz(15.1961, 11.7381, 48.4690)
Luminance	0.1174 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B56BB #BBB04B

analogous

#4B8EBB #4B56BB #784BBB

triadic

#4B56BB #BB4B56 #56BB4B

tetradic

#4B56BB #BB4B8E #BBB04B #4BBB78

square

#4B56BB #BB4B8E #BBB04B #4BBB78

split-complementary

#4B56BB #BB784B #8EBB4B

monochromatic

#262C65 #374092 #4B56BB #7780CC #A4A9DD

Accessibility & contrast

On white

6.27

#4B56BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.35

#4B56BB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4B56BB

6.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B56BB	#FFFFFF	#000000	##FFFFFF
##4B56BB	1.00	6.27	3.35	6.27
#FFFFFF	6.27	1.00	21.00	1.00
#000000	3.35	21.00	1.00	21.00
##FFFFFF	6.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1465BF

Deuteranopia (green-blind)

#005CB9

Tritanopia (blue-blind)

#006E80

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #4b56bb;
/* rgb */ color: rgb(75, 86, 187);
/* oklch */ color: oklch(50.0% 0.158 274.5);

Tailwind

colors: {
  custom: {
    50: '#8885d0',
    500: '#4b56bb',
    950: '#000000',
  },
}

SCSS

$custom: #4b56bb;
$custom-light: #8885d0;
$custom-dark: #000000;

JSON

{
  "hex": "#4b56bb",
  "rgb": {
    "r": 75,
    "g": 86,
    "b": 187
  },
  "hsl": {
    "h": 234.107,
    "s": 45.161,
    "l": 51.373
  },
  "oklch": {
    "l": 0.49996,
    "c": 0.15755,
    "h": 274.5
  },
  "luminance": 0.11739
}

Semantic roles & 50–950 ramp

primary

#4B56BB

secondary

#CAC598

accent

#C853D5

background

#F8F8FC

surface

#F0EFF9

border

#CBCAD2

text

#0C0B14

muted

#7D7C82

Preview Lab

Preview with #4B56BB

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

Preview Lab → · Contrast checker → · Palette generator →