#3F5F96

#3F5F96

Color Values

HEX

#3F5F96

RGB

63, 95, 150

HSL

217.9, 40.8%, 41.8%

HSV

217.9, 58.0%, 58.8%

CMYK

58.0%, 36.7%, 0.0%, 41.2%

OKLCH

0.4871 0.0966 260.7

Properties

Cool Dark Nearest: RAL 5007 Brilliant Blue

Color Harmonies

Complementary

#3F5F96

#96763F

Analogous

#3F8B96

#4B3F96

#3F5F96

Triadic

#3F5F96

#963F5F

#5F963F

Split Complementary

#3F5F96

#964B3F

#8B963F

Tetradic

#3F5F96

#963F8B

#96763F

#3F964B

Color Blindness Simulation

Original

#3F5F96

Protanopia

#4D4D89

Deuteranopia

#4B4986

Tritanopia

#417E7C

Achromatopsia

#5C5C5C

CSS Usage

background-color: #3F5F96;
color: #3F5F96;
border-color: #3F5F96;
Nearest Tailwind: Sky 700 #0369A1

Tailwind Shades

50
#F5F7FA
100
#E7ECF3
200
#CDD7EA
300
#A9BBDB
400
#7A97C7
500
#4B72B4
600
#3C5B90
700
#304973
800
#26395A
900
#1F2C42
950
#131C2A

Contrast Checker

Text on white

6.39:1

AA Pass AAA Fail

Text on black

3.29:1

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