#3F65A4

#3F65A4

Color Values

HEX

#3F65A4

RGB

63, 101, 164

HSL

217.4, 44.5%, 44.5%

HSV

217.4, 61.6%, 64.3%

CMYK

61.6%, 38.4%, 0.0%, 35.7%

OKLCH

0.5091 0.1096 260.0

Properties

Cool Dark Nearest: RAL 5015 Sky Blue

Color Harmonies

Complementary

#3F65A4

#A47E3F

Analogous

#3F98A4

#4B3FA4

#3F65A4

Triadic

#3F65A4

#A43F65

#65A43F

Split Complementary

#3F65A4

#A44B3F

#98A43F

Tetradic

#3F65A4

#A43F98

#A47E3F

#3FA44B

Color Blindness Simulation

Original

#3F65A4

Protanopia

#4F5095

Deuteranopia

#4D4A91

Tritanopia

#418986

Achromatopsia

#616161

CSS Usage

background-color: #3F65A4;
color: #3F65A4;
border-color: #3F65A4;
Nearest Tailwind: Sky 700 #0369A1

Tailwind Shades

50
#F4F7FA
100
#E6EBF4
200
#CBD7EB
300
#A7BBDD
400
#7796CB
500
#4772B8
600
#395B93
700
#2D4976
800
#23395C
900
#1D2C44
950
#121C2B

Contrast Checker

Text on white

5.82:1

AA Pass AAA Fail

Text on black

3.61:1

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