#3F53B2

#3F53B2

Color Values

HEX

#3F53B2

RGB

63, 83, 178

HSL

229,6, 47,7%, 47,3%

HSV

229,6, 64,6%, 69,8%

CMYK

64,6%, 53,4%, 0,0%, 30,2%

OKLCH

0,4799 0,1522 270,7

Properties

Cool Dark Nearest: NCS S 1050-R90B Blue Violet

Color Harmonies

Complementary

#3F53B2

#B29E3F

Analogous

#3F8DB2

#653FB2

#3F53B2

Triadic

#3F53B2

#B23F53

#53B23F

Split Complementary

#3F53B2

#B2653F

#8DB23F

Tetradic

#3F53B2

#B23F8D

#B29E3F

#3FB265

Color Blindness Simulation

Original

#3F53B2

Protanopia

#48489B

Deuteranopia

#464596

Tritanopia

#408985

Achromatopsia

#565656

CSS Usage

background-color: #3F53B2;
color: #3F53B2;
border-color: #3F53B2;
Nearest Tailwind: Blue 900 #1E3A8A

Tailwind Shades

50
#F4F5FA
100
#E6E8F4
200
#CAD0EC
300
#A5AFDF
400
#7483CE
500
#4358BC
600
#354697
700
#2B3879
800
#212C5E
900
#1C2345
950
#11162C

Contrast Checker

Text on white

6,79:1

AA Pass AAA Fail

Text on black

3,09:1

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