#403C88

#403C88

Color Values

HEX

#403C88

RGB

64, 60, 136

HSL

243.2, 38.8%, 38.4%

HSV

243.2, 55.9%, 53.3%

CMYK

52.9%, 55.9%, 0.0%, 46.7%

OKLCH

0.4032 0.123 281.7

Properties

Cool Dark Nearest: darkslateblue

Color Harmonies

Complementary

#403C88

#84883C

Analogous

#3C5E88

#663C88

#403C88

Triadic

#403C88

#88403C

#3C8840

Split Complementary

#403C88

#88663C

#5E883C

Tetradic

#403C88

#883C5E

#84883C

#3C8866

Color Blindness Simulation

Original

#403C88

Protanopia

#3E3E76

Deuteranopia

#3E3F71

Tritanopia

#406764

Achromatopsia

#424242

CSS Usage

background-color: #403C88;
color: #403C88;
border-color: #403C88;
Nearest Tailwind: Blue 900 #1E3A8A

Tailwind Shades

50
#F5F5FA
100
#E8E7F3
200
#CFCDE9
300
#ADAADA
400
#807CC5
500
#534EB1
600
#433E8E
700
#353271
800
#2A2758
900
#212041
950
#151429

Contrast Checker

Text on white

9.46:1

AA Pass AAA Pass

Text on black

2.22:1

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