#3873B6

#3873B6

Color Values

HEX

#3873B6

RGB

56, 115, 182

HSL

211.9, 52.9%, 46.7%

HSV

211.9, 69.2%, 71.4%

CMYK

69.2%, 36.8%, 0.0%, 28.6%

OKLCH

0.5486 0.1218 253.4

Properties

Cool Dark Nearest: RAL 5015 Sky Blue

Color Harmonies

Complementary

#3873B6

#B67B38

Analogous

#38B2B6

#3C38B6

#3873B6

Triadic

#3873B6

#B63873

#73B638

Split Complementary

#3873B6

#B63C38

#B2B638

Tetradic

#3873B6

#B638B2

#B67B38

#38B63C

Color Blindness Simulation

Original

#3873B6

Protanopia

#5252A6

Deuteranopia

#4E4AA2

Tritanopia

#3B9996

Achromatopsia

#6B6B6B

CSS Usage

background-color: #3873B6;
color: #3873B6;
border-color: #3873B6;
Nearest Tailwind: Sky 700 #0369A1

Tailwind Shades

50
#F4F7FB
100
#E5EDF5
200
#C8DAEE
300
#A1C0E2
400
#6F9DD3
500
#3C7BC3
600
#30639C
700
#264F7D
800
#1E3E61
900
#192F48
950
#101E2D

Contrast Checker

Text on white

4.89:1

AA Pass AAA Fail

Text on black

4.3:1

AA Fail 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