#377DC3

#377DC3

Color Values

HEX

#377DC3

RGB

55, 125, 195

HSL

210.0, 56.0%, 49.0%

HSV

210.0, 71.8%, 76.5%

CMYK

71.8%, 35.9%, 0.0%, 23.5%

OKLCH

0.5787 0.1289 251.0

Properties

Cool Light Nearest: RAL 5015 Sky Blue

Color Harmonies

Complementary

#377DC3

#C37D37

Analogous

#37C3C3

#3737C3

#377DC3

Triadic

#377DC3

#C3377D

#7DC337

Split Complementary

#377DC3

#C33737

#C3C337

Tetradic

#377DC3

#C337C3

#C37D37

#37C337

Color Blindness Simulation

Original

#377DC3

Protanopia

#5556B2

Deuteranopia

#514CAE

Tritanopia

#3AA5A2

Achromatopsia

#737373

CSS Usage

background-color: #377DC3;
color: #377DC3;
border-color: #377DC3;
Nearest Tailwind: Sky 600 #0284C7

Tailwind Shades

50
#F4F7FB
100
#E5EDF6
200
#C7DBEF
300
#A0C2E4
400
#6CA1D5
500
#3880C7
600
#2D669F
700
#24527F
800
#1C4063
900
#183049
950
#0F1F2E

Contrast Checker

Text on white

4.3:1

AA Fail AAA Fail

Text on black

4.88:1

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