#377DBD

#377DBD

Color Values

HEX

#377DBD

RGB

55, 125, 189

HSL

208,7, 54,9%, 47,8%

HSV

208,7, 70,9%, 74,1%

CMYK

70,9%, 33,9%, 0,0%, 25,9%

OKLCH

0,5753 0,1213 249,0

Properties

Cool Light Nearest: RAL 5012 Light Blue

Color Harmonies

Complementary

#377DBD

#BD7737

Analogous

#37BDBA

#373ABD

#377DBD

Triadic

#377DBD

#BD377D

#7DBD37

Split Complementary

#377DBD

#BD373A

#BDBA37

Tetradic

#377DBD

#BA37BD

#BD7737

#3ABD37

Color Blindness Simulation

Original

#377DBD

Protanopia

#5556AE

Deuteranopia

#514CAA

Tritanopia

#3AA19F

Achromatopsia

#737373

CSS Usage

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

Tailwind Shades

50
#F4F8FB
100
#E5EEF5
200
#C8DCEF
300
#A0C3E3
400
#6DA3D4
500
#3A83C5
600
#2E689E
700
#25547E
800
#1D4163
900
#193148
950
#0F1F2E

Contrast Checker

Text on white

4,35:1

AA Fail AAA Fail

Text on black

4,83:1

AA Pass AAA Fail

Related Articles

Tutorials

CSS color-mix(): Blend Colors Natively in the Browser

Jan 26, 2026
Tutorials

Building a Color Picker Web Component from Scratch

Jan 21, 2026
Tutorials

Perceptual Color Spaces: Lab, LCH, Oklab, OKLCH

Jan 15, 2026