#3F52CC

#3F52CC

Color Values

HEX

#3F52CC

RGB

63, 82, 204

HSL

231,9, 58,0%, 52,4%

HSV

231,9, 69,1%, 80,0%

CMYK

69,1%, 59,8%, 0,0%, 20,0%

OKLCH

0,4985 0,1888 271,1

Properties

Cool Dark Nearest: slateblue 3

Color Harmonies

Complementary

#3F52CC

#CCB93F

Analogous

#3F99CC

#733FCC

#3F52CC

Triadic

#3F52CC

#CC3F52

#52CC3F

Split Complementary

#3F52CC

#CC733F

#99CC3F

Tetradic

#3F52CC

#CC3F99

#CCB93F

#3FCC73

Color Blindness Simulation

Original

#3F52CC

Protanopia

#4747AF

Deuteranopia

#4645A7

Tritanopia

#409792

Achromatopsia

#575757

CSS Usage

background-color: #3F52CC;
color: #3F52CC;
border-color: #3F52CC;
Nearest Tailwind: Blue 800 #1E40AF

Tailwind Shades

50
#F4F5FB
100
#E4E7F6
200
#C7CCF0
300
#9EA8E5
400
#6A79D7
500
#364AC9
600
#2B3BA1
700
#222F81
800
#1B2565
900
#171E4A
950
#0F132F

Contrast Checker

Text on white

6,38:1

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

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