#3F8ADF

#3F8ADF

Color Values

HEX

#3F8ADF

RGB

63, 138, 223

HSL

211.9, 71.4%, 56.1%

HSV

211.9, 71.7%, 87.5%

CMYK

71.7%, 38.1%, 0.0%, 12.5%

OKLCH

0.627 0.1485 253.6

Properties

Cool Light Nearest: cornflowerblue

Color Harmonies

Complementary

#3F8ADF

#DF943F

Analogous

#3FDADF

#443FDF

#3F8ADF

Triadic

#3F8ADF

#DF3F8A

#8ADF3F

Split Complementary

#3F8ADF

#DF443F

#DADF3F

Tetradic

#3F8ADF

#DF3FDA

#DF943F

#3FDF44

Color Blindness Simulation

Original

#3F8ADF

Protanopia

#5F60CA

Deuteranopia

#5B56C6

Tritanopia

#43BAB7

Achromatopsia

#808080

CSS Usage

background-color: #3F8ADF;
color: #3F8ADF;
border-color: #3F8ADF;
Nearest Tailwind: Blue 400 #60A5FA

Tailwind Shades

50
#F3F7FC
100
#E2ECF8
200
#C2DAF5
300
#96BFED
400
#5D9CE4
500
#247ADB
600
#1D61AF
700
#174E8C
800
#123D6D
900
#112E50
950
#0B1D32

Contrast Checker

Text on white

3.55:1

AA Fail AAA Fail

Text on black

5.91:1

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