#3F8ADE

#3F8ADE

Color Values

HEX

#3F8ADE

RGB

63, 138, 222

HSL

211,7, 70,7%, 55,9%

HSV

211,7, 71,6%, 87,1%

CMYK

71,6%, 37,8%, 0,0%, 12,9%

OKLCH

0,6264 0,1472 253,4

Properties

Cool Light Nearest: cornflowerblue

Color Harmonies

Complementary

#3F8ADE

#DE933F

Analogous

#3FDADE

#443FDE

#3F8ADE

Triadic

#3F8ADE

#DE3F8A

#8ADE3F

Split Complementary

#3F8ADE

#DE443F

#DADE3F

Tetradic

#3F8ADE

#DE3FDA

#DE933F

#3FDE44

Color Blindness Simulation

Original

#3F8ADE

Protanopia

#5F60CA

Deuteranopia

#5B56C5

Tritanopia

#43BAB6

Achromatopsia

#808080

CSS Usage

background-color: #3F8ADE;
color: #3F8ADE;
border-color: #3F8ADE;
Nearest Tailwind: Blue 400 #60A5FA

Tailwind Shades

50
#F3F7FC
100
#E2EDF8
200
#C2DAF5
300
#97BFED
400
#5E9DE3
500
#257ADA
600
#1E62AE
700
#184E8B
800
#133D6D
900
#122F4F
950
#0B1D32

Contrast Checker

Text on white

3,56:1

AA Fail AAA Fail

Text on black

5,9:1

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