#377CBD

#377CBD

Color Values

HEX

#377CBD

RGB

55, 124, 189

HSL

209.1, 54.9%, 47.8%

HSV

209.1, 70.9%, 74.1%

CMYK

70.9%, 34.4%, 0.0%, 25.9%

OKLCH

0.5729 0.1223 249.7

Properties

Cool Light Nearest: RAL 5015 Sky Blue

Color Harmonies

Complementary

#377CBD

#BD7837

Analogous

#37BDBB

#3739BD

#377CBD

Triadic

#377CBD

#BD377C

#7CBD37

Split Complementary

#377CBD

#BD3739

#BDBB37

Tetradic

#377CBD

#BB37BD

#BD7837

#39BD37

Color Blindness Simulation

Original

#377CBD

Protanopia

#5555AD

Deuteranopia

#514CA9

Tritanopia

#3AA19E

Achromatopsia

#727272

CSS Usage

background-color: #377CBD;
color: #377CBD;
border-color: #377CBD;
Nearest Tailwind: Sky 600 #0284C7

Tailwind Shades

50
#F4F7FB
100
#E5EDF5
200
#C8DCEF
300
#A0C3E3
400
#6DA2D4
500
#3A82C5
600
#2E689E
700
#25537E
800
#1D4163
900
#193148
950
#0F1F2E

Contrast Checker

Text on white

4.39:1

AA Fail AAA Fail

Text on black

4.78:1

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