#4540BB

#4540BB

Color Values

HEX

#4540BB

RGB

69, 64, 187

HSL

242.4, 49.0%, 49.2%

HSV

242.4, 65.8%, 73.3%

CMYK

63.1%, 65.8%, 0.0%, 26.7%

OKLCH

0.4564 0.1867 277.8

Properties

Cool Dark Nearest: slateblue 3

Color Harmonies

Complementary

#4540BB

#B6BB40

Analogous

#4079BB

#8240BB

#4540BB

Triadic

#4540BB

#BB4540

#40BB45

Split Complementary

#4540BB

#BB8240

#79BB40

Tetradic

#4540BB

#BB4079

#B6BB40

#40BB82

Color Blindness Simulation

Original

#4540BB

Protanopia

#43439D

Deuteranopia

#434496

Tritanopia

#458681

Achromatopsia

#4A4A4A

CSS Usage

background-color: #4540BB;
color: #4540BB;
border-color: #4540BB;
Nearest Tailwind: Indigo 800 #3730A3

Tailwind Shades

50
#F4F4FB
100
#E6E6F5
200
#CBCAED
300
#A6A4E0
400
#7672CF
500
#4641BE
600
#383498
700
#2D2A7A
800
#23215F
900
#1D1B46
950
#12112C

Contrast Checker

Text on white

7.77:1

AA Pass AAA Pass

Text on black

2.7:1

AA Fail AAA Fail

Related Articles

Tutorials

CSS color-mix(): Blend Colors Natively in the Browser

Jan 26, 2026
Tutorials

Building a Color Picker Web Component from Scratch

Jan 21, 2026
Tutorials

Perceptual Color Spaces: Lab, LCH, Oklab, OKLCH

Jan 15, 2026