#3F81D6

#3F81D6

Color Values

HEX

#3F81D6

RGB

63, 129, 214

HSL

213.8, 64.8%, 54.3%

HSV

213.8, 70.6%, 83.9%

CMYK

70.6%, 39.7%, 0.0%, 16.1%

OKLCH

0.6018 0.1464 255.9

Properties

Cool Light Nearest: dodgerblue 3

Color Harmonies

Complementary

#3F81D6

#D6943F

Analogous

#3FCCD6

#493FD6

#3F81D6

Triadic

#3F81D6

#D63F81

#81D63F

Split Complementary

#3F81D6

#D6493F

#CCD63F

Tetradic

#3F81D6

#D63FCC

#D6943F

#3FD649

Color Blindness Simulation

Original

#3F81D6

Protanopia

#5C5CC1

Deuteranopia

#5853BC

Tritanopia

#42B1AE

Achromatopsia

#797979

CSS Usage

background-color: #3F81D6;
color: #3F81D6;
border-color: #3F81D6;
Nearest Tailwind: Blue 400 #60A5FA

Tailwind Shades

50
#F3F7FC
100
#E3ECF7
200
#C4D8F2
300
#9ABDE9
400
#6499DE
500
#2D75D2
600
#245EA8
700
#1D4B86
800
#163B69
900
#142D4D
950
#0D1C30

Contrast Checker

Text on white

3.95:1

AA Fail AAA Fail

Text on black

5.32:1

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