#355D8B

#355D8B

Color Values

HEX

#355D8B

RGB

53, 93, 139

HSL

212.1, 44.8%, 37.6%

HSV

212.1, 61.9%, 54.5%

CMYK

61.9%, 33.1%, 0.0%, 45.5%

OKLCH

0.4708 0.0878 253.1

Properties

Cool Dark Nearest: RAL 5007 Brilliant Blue

Color Harmonies

Complementary

#355D8B

#8B6335

Analogous

#35888B

#38358B

#355D8B

Triadic

#355D8B

#8B355D

#5D8B35

Split Complementary

#355D8B

#8B3835

#888B35

Tetradic

#355D8B

#8B3588

#8B6335

#358B38

Color Blindness Simulation

Original

#355D8B

Protanopia

#464780

Deuteranopia

#44417D

Tritanopia

#377775

Achromatopsia

#585858

CSS Usage

background-color: #355D8B;
color: #355D8B;
border-color: #355D8B;
Nearest Tailwind: Sky 800 #075985

Tailwind Shades

50
#F4F7FA
100
#E6EDF4
200
#CBDAEB
300
#A6C0DD
400
#769ECB
500
#467CB9
600
#386394
700
#2D4F76
800
#233E5C
900
#1D2F44
950
#121E2B

Contrast Checker

Text on white

6.8:1

AA Pass AAA Fail

Text on black

3.09:1

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