#3F4597

#3F4597

Color Values

HEX

#3F4597

RGB

63, 69, 151

HSL

235,9, 41,1%, 42,0%

HSV

235,9, 58,3%, 59,2%

CMYK

58,3%, 54,3%, 0,0%, 40,8%

OKLCH

0,4315 0,1323 276,2

Properties

Cool Dark Nearest: darkslateblue

Color Harmonies

Complementary

#3F4597

#97913F

Analogous

#3F7197

#653F97

#3F4597

Triadic

#3F4597

#973F45

#45973F

Split Complementary

#3F4597

#97653F

#71973F

Tetradic

#3F4597

#973F71

#97913F

#3F9765

Color Blindness Simulation

Original

#3F4597

Protanopia

#424283

Deuteranopia

#41417E

Tritanopia

#3F7370

Achromatopsia

#4A4A4A

CSS Usage

background-color: #3F4597;
color: #3F4597;
border-color: #3F4597;
Nearest Tailwind: Blue 900 #1E3A8A

Tailwind Shades

50
#F5F5FA
100
#E7E8F3
200
#CDCFEA
300
#A9ACDB
400
#7A7FC7
500
#4B52B4
600
#3C4290
700
#303573
800
#26295A
900
#1F2142
950
#13152A

Contrast Checker

Text on white

8,37:1

AA Pass AAA Pass

Text on black

2,51:1

AA Fail AAA Fail

Related Articles

Tutorials

CSS color-mix(): Blend Colors Natively in the Browser

Oca 26, 2026
Tutorials

Building a Color Picker Web Component from Scratch

Oca 21, 2026
Tutorials

Perceptual Color Spaces: Lab, LCH, Oklab, OKLCH

Oca 15, 2026