#377FCE

#377FCE

Color Values

HEX

#377FCE

RGB

55, 127, 206

HSL

211.4, 60.6%, 51.2%

HSV

211.4, 73.3%, 80.8%

CMYK

73.3%, 38.3%, 0.0%, 19.2%

OKLCH

0.5897 0.1409 253.1

Properties

Cool Light Nearest: NCS S 1060-B Bright Blue

Color Harmonies

Complementary

#377FCE

#CE8637

Analogous

#37CACE

#3B37CE

#377FCE

Triadic

#377FCE

#CE377F

#7FCE37

Split Complementary

#377FCE

#CE3B37

#CACE37

Tetradic

#377FCE

#CE37CA

#CE8637

#37CE3B

Color Blindness Simulation

Original

#377FCE

Protanopia

#5657BB

Deuteranopia

#524DB6

Tritanopia

#3BACA8

Achromatopsia

#757575

CSS Usage

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

Tailwind Shades

50
#F3F7FB
100
#E4EDF6
200
#C6DAF1
300
#9DC0E7
400
#679EDA
500
#327CCD
600
#2863A4
700
#204F83
800
#193E66
900
#162F4B
950
#0E1E2F

Contrast Checker

Text on white

4.13:1

AA Fail AAA Fail

Text on black

5.09:1

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