#40355B

#40355B

Color Values

HEX

#40355B

RGB

64, 53, 91

HSL

257.4, 26.4%, 28.2%

HSV

257.4, 41.8%, 35.7%

CMYK

29.7%, 41.8%, 0.0%, 64.3%

OKLCH

0.3585 0.0655 296.3

Properties

Cool Dark Nearest: RAL 5022 Night Blue

Color Harmonies

Complementary

#40355B

#505B35

Analogous

#353D5B

#53355B

#40355B

Triadic

#40355B

#5B4035

#355B40

Split Complementary

#40355B

#5B5335

#3D5B35

Tetradic

#40355B

#5B353D

#505B35

#355B53

Color Blindness Simulation

Original

#40355B

Protanopia

#3B3B52

Deuteranopia

#3C3D50

Tritanopia

#3F4B49

Achromatopsia

#3A3A3A

CSS Usage

background-color: #40355B;
color: #40355B;
border-color: #40355B;
Nearest Tailwind: Blue 950 #172554

Tailwind Shades

50
#F7F6F9
100
#EBE9F1
200
#D7D2E5
300
#BBB2D2
400
#9688BA
500
#715EA1
600
#5B4B81
700
#493C67
800
#392F51
900
#2C253C
950
#1C1726

Contrast Checker

Text on white

11.18:1

AA Pass AAA Pass

Text on black

1.88:1

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