#373C79

#373C79

Color Values

HEX

#373C79

RGB

55, 60, 121

HSL

235,5, 37,5%, 34,5%

HSV

235,5, 54,5%, 47,5%

CMYK

54,5%, 50,4%, 0,0%, 52,5%

OKLCH

0,385 0,1022 276,9

Properties

Cool Dark Nearest: royalblue 4

Color Harmonies

Complementary

#373C79

#797437

Analogous

#375D79

#533779

#373C79

Triadic

#373C79

#79373C

#3C7937

Split Complementary

#373C79

#795337

#5D7937

Tetradic

#373C79

#79375D

#797437

#377953

Color Blindness Simulation

Original

#373C79

Protanopia

#39396A

Deuteranopia

#393867

Tritanopia

#375F5C

Achromatopsia

#3F3F3F

CSS Usage

background-color: #373C79;
color: #373C79;
border-color: #373C79;
Nearest Tailwind: Blue 900 #1E3A8A

Tailwind Shades

50
#F5F5FA
100
#E7E8F3
200
#CED0E9
300
#ABAED9
400
#7D83C4
500
#5057AF
600
#40458C
700
#333870
800
#282B58
900
#202341
950
#141629

Contrast Checker

Text on white

10,07:1

AA Pass AAA Pass

Text on black

2,08:1

AA Fail AAA Fail

Related Articles

Tutorials

Building a Color Picker Web Component from Scratch

Fév 20, 2026
Tutorials

Web Color Performance: Gradients, Shadows, and Filters

Fév 19, 2026
Tutorials

Tailwind CSS Colors: Complete Shade System Guide

Fév 19, 2026