#377EB6

#377EB6

Color Values

HEX

#377EB6

RGB

55, 126, 182

HSL

206.5, 53.6%, 46.5%

HSV

206.5, 69.8%, 71.4%

CMYK

69.8%, 30.8%, 0.0%, 28.6%

OKLCH

0.5737 0.1119 245.4

Properties

Cool Light Nearest: RAL 5012 Light Blue

Color Harmonies

Complementary

#377EB6

#B66F37

Analogous

#37B6AF

#373EB6

#377EB6

Triadic

#377EB6

#B6377E

#7EB637

Split Complementary

#377EB6

#B6373E

#B6AF37

Tetradic

#377EB6

#AF37B6

#B66F37

#3EB637

Color Blindness Simulation

Original

#377EB6

Protanopia

#5656A8

Deuteranopia

#524CA5

Tritanopia

#3B9E9B

Achromatopsia

#737373

CSS Usage

background-color: #377EB6;
color: #377EB6;
border-color: #377EB6;
Nearest Tailwind: Sky 600 #0284C7

Tailwind Shades

50
#F4F8FB
100
#E5EEF5
200
#C8DEEE
300
#A1C6E3
400
#6EA7D3
500
#3B87C4
600
#2F6C9D
700
#26577D
800
#1E4462
900
#193348
950
#10202D

Contrast Checker

Text on white

4.35:1

AA Fail AAA Fail

Text on black

4.82:1

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