#3878C1

#3878C1

Color Values

HEX

#3878C1

RGB

56, 120, 193

HSL

212.0, 55.0%, 48.8%

HSV

212.0, 71.0%, 75.7%

CMYK

71.0%, 37.8%, 0.0%, 24.3%

OKLCH

0.5665 0.131 253.6

Properties

Cool Light Nearest: NCS S 1060-B Bright Blue

Color Harmonies

Complementary

#3878C1

#C18138

Analogous

#38BCC1

#3D38C1

#3878C1

Triadic

#3878C1

#C13878

#78C138

Split Complementary

#3878C1

#C13D38

#BCC138

Tetradic

#3878C1

#C138BC

#C18138

#38C13D

Color Blindness Simulation

Original

#3878C1

Protanopia

#5454AF

Deuteranopia

#504BAB

Tritanopia

#3BA19E

Achromatopsia

#707070

CSS Usage

background-color: #3878C1;
color: #3878C1;
border-color: #3878C1;
Nearest Tailwind: Sky 600 #0284C7

Tailwind Shades

50
#F4F7FB
100
#E5EDF5
200
#C8DAEF
300
#A0C0E3
400
#6D9DD5
500
#397BC6
600
#2E629E
700
#254F7E
800
#1D3D63
900
#182F48
950
#0F1E2E

Contrast Checker

Text on white

4.54:1

AA Pass AAA Fail

Text on black

4.62:1

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