#3F6DAD

#3F6DAD

Color Values

HEX

#3F6DAD

RGB

63, 109, 173

HSL

214.9, 46.6%, 46.3%

HSV

214.9, 63.6%, 67.8%

CMYK

63.6%, 37.0%, 0.0%, 32.2%

OKLCH

0.5326 0.1132 257.0

Properties

Cool Dark Nearest: RAL 5015 Sky Blue

Color Harmonies

Complementary

#3F6DAD

#AD7F3F

Analogous

#3FA4AD

#483FAD

#3F6DAD

Triadic

#3F6DAD

#AD3F6D

#6DAD3F

Split Complementary

#3F6DAD

#AD483F

#A4AD3F

Tetradic

#3F6DAD

#AD3FA4

#AD7F3F

#3FAD48

Color Blindness Simulation

Original

#3F6DAD

Protanopia

#53539E

Deuteranopia

#504D9A

Tritanopia

#41918F

Achromatopsia

#686868

CSS Usage

background-color: #3F6DAD;
color: #3F6DAD;
border-color: #3F6DAD;
Nearest Tailwind: Sky 700 #0369A1

Tailwind Shades

50
#F4F7FA
100
#E6ECF4
200
#CBD9EC
300
#A5BDDE
400
#7599CD
500
#4476BB
600
#365E96
700
#2C4B78
800
#223B5D
900
#1C2D45
950
#121D2B

Contrast Checker

Text on white

5.25:1

AA Pass AAA Fail

Text on black

4.0:1

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