#403C60

#403C60

Color Values

HEX

#403C60

RGB

64, 60, 96

HSL

246.7, 23.1%, 30.6%

HSV

246.7, 37.5%, 37.6%

CMYK

33.3%, 37.5%, 0.0%, 62.4%

OKLCH

0.3767 0.0609 288.2

Properties

Cool Dark Nearest: RAL 5022 Night Blue

Color Harmonies

Complementary

#403C60

#5C603C

Analogous

#3C4A60

#523C60

#403C60

Triadic

#403C60

#60403C

#3C6040

Split Complementary

#403C60

#60523C

#4A603C

Tetradic

#403C60

#603C4A

#5C603C

#3C6052

Color Blindness Simulation

Original

#403C60

Protanopia

#3E3E57

Deuteranopia

#3E3F55

Tritanopia

#40504F

Achromatopsia

#3F3F3F

CSS Usage

background-color: #403C60;
color: #403C60;
border-color: #403C60;
Nearest Tailwind: Slate 700 #334155

Tailwind Shades

50
#F6F6F9
100
#EAEAF1
200
#D5D3E4
300
#B7B4D0
400
#908BB6
500
#69629D
600
#544E7E
700
#433F64
800
#34314E
900
#29263B
950
#1A1825

Contrast Checker

Text on white

10.33:1

AA Pass AAA Pass

Text on black

2.03:1

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