#377CDB

#377CDB

Color Values

HEX

#377CDB

RGB

55, 124, 219

HSL

214.8, 69.5%, 53.7%

HSV

214.8, 74.9%, 85.9%

CMYK

74.9%, 43.4%, 0.0%, 14.1%

OKLCH

0.5912 0.1609 257.3

Properties

Cool Light Nearest: Navy Blue

Color Harmonies

Complementary

#377CDB

#DB9637

Analogous

#37CEDB

#4437DB

#377CDB

Triadic

#377CDB

#DB377C

#7CDB37

Split Complementary

#377CDB

#DB4437

#CEDB37

Tetradic

#377CDB

#DB37CE

#DB9637

#37DB44

Color Blindness Simulation

Original

#377CDB

Protanopia

#5555C4

Deuteranopia

#514CBE

Tritanopia

#3AB2AE

Achromatopsia

#747474

CSS Usage

background-color: #377CDB;
color: #377CDB;
border-color: #377CDB;
Nearest Tailwind: Blue 500 #3B82F6

Tailwind Shades

50
#F3F7FC
100
#E3EBF8
200
#C2D7F4
300
#97BBEC
400
#5F96E2
500
#2771D8
600
#1F5BAD
700
#19498A
800
#13396C
900
#122C4F
950
#0B1C32

Contrast Checker

Text on white

4.14:1

AA Fail AAA Fail

Text on black

5.07:1

AA Pass 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