#40489B

#40489B

Color Values

HEX

#40489B

RGB

64, 72, 155

HSL

234.7, 41.6%, 42.9%

HSV

234.7, 58.7%, 60.8%

CMYK

58.7%, 53.5%, 0.0%, 39.2%

OKLCH

0.4413 0.1337 275.3

Properties

Cool Dark Nearest: darkslateblue

Color Harmonies

Complementary

#40489B

#9B9340

Analogous

#40759B

#65409B

#40489B

Triadic

#40489B

#9B4048

#489B40

Split Complementary

#40489B

#9B6540

#759B40

Tetradic

#40489B

#9B4075

#9B9340

#409B65

Color Blindness Simulation

Original

#40489B

Protanopia

#434487

Deuteranopia

#434282

Tritanopia

#407774

Achromatopsia

#4C4C4C

CSS Usage

background-color: #40489B;
color: #40489B;
border-color: #40489B;
Nearest Tailwind: Blue 900 #1E3A8A

Tailwind Shades

50
#F5F5FA
100
#E7E8F3
200
#CCCFEA
300
#A8ADDB
400
#7980C8
500
#4A54B5
600
#3C4390
700
#303674
800
#252A5A
900
#1E2243
950
#13152A

Contrast Checker

Text on white

8.02:1

AA Pass AAA Pass

Text on black

2.62:1

AA Fail AAA Fail

Related Articles

Tutorials

Building a Color Picker Web Component from Scratch

Feb 20, 2026
Tutorials

Web Color Performance: Gradients, Shadows, and Filters

Feb 19, 2026
Tutorials

Tailwind CSS Colors: Complete Shade System Guide

Feb 19, 2026