#4B54BB#4B54BB

#4B54BB is a mid, vivid blue. Relative luminance 0.114; OKLCH L 49.6% C 0.160 H 275.2°. Best body text is #FFFFFF at 6.39:1 contrast (WCAG AA passes).

Color values

HEX	#4B54BB
RGB	rgb(75, 84, 187)
HSL	hsl(235, 45%, 51%)
HSV	hsv(235, 60%, 73%)
CMYK	cmyk(59.9%, 55.1%, 0%, 26.7%)
CIE-LAB	lab(40.28, 27.83, -55.61)
CIE-LCH	lch(40.28, 62.19, 296.58°)
OKLab	oklab(49.61% 0.0144 -0.1595)
OKLCH	oklch(49.61% 0.16 275.2)
XYZ	xyz(15.0387, 11.4232, 48.4165)
Luminance	0.1142 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B54BB #BBB24B

analogous

#4B8CBB #4B54BB #7A4BBB

triadic

#4B54BB #BB4B54 #54BB4B

tetradic

#4B54BB #BB4B8C #BBB24B #4BBB7A

square

#4B54BB #BB4B8C #BBB24B #4BBB7A

split-complementary

#4B54BB #BB7A4B #8CBB4B

monochromatic

#262B65 #373E92 #4B54BB #777ECC #A4A8DD

Accessibility & contrast

On white

6.39

#4B54BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.28

#4B54BB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4B54BB

6.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B54BB	#FFFFFF	#000000	##FFFFFF
##4B54BB	1.00	6.39	3.28	6.39
#FFFFFF	6.39	1.00	21.00	1.00
#000000	3.28	21.00	1.00	21.00
##FFFFFF	6.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0764BF

Deuteranopia (green-blind)

#005AB9

Tritanopia (blue-blind)

#006C7F

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #4b54bb;
/* rgb */ color: rgb(75, 84, 187);
/* oklch */ color: oklch(49.6% 0.160 275.2);

Tailwind

colors: {
  custom: {
    50: '#8884d0',
    500: '#4b54bb',
    950: '#000000',
  },
}

SCSS

$custom: #4b54bb;
$custom-light: #8884d0;
$custom-dark: #000000;

JSON

{
  "hex": "#4b54bb",
  "rgb": {
    "r": 75,
    "g": 84,
    "b": 187
  },
  "hsl": {
    "h": 235.179,
    "s": 45.161,
    "l": 51.373
  },
  "oklch": {
    "l": 0.49612,
    "c": 0.16017,
    "h": 275.2
  },
  "luminance": 0.11424
}

Semantic roles & 50–950 ramp

primary

#4B54BB

secondary

#CAC698

accent

#CA53D5

background

#F8F8FC

surface

#F0EFF9

border

#CBCAD2

text

#0C0A14

muted

#7D7C82

Preview Lab

Preview with #4B54BB

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

Preview Lab → · Contrast checker → · Palette generator →