#3F4ECC

#3F4ECC

Color Values

HEX

#3F4ECC

RGB

63, 78, 204

HSL

233.6, 58.0%, 52.4%

HSV

233.6, 69.1%, 80.0%

CMYK

69.1%, 61.8%, 0.0%, 20.0%

OKLCH

0.4913 0.1936 271.9

Properties

Cool Dark Nearest: slateblue 3

Color Harmonies

Complementary

#3F4ECC

#CCBD3F

Analogous

#3F95CC

#773FCC

#3F4ECC

Triadic

#3F4ECC

#CC3F4E

#4ECC3F

Split Complementary

#3F4ECC

#CC773F

#95CC3F

Tetradic

#3F4ECC

#CC3F95

#CCBD3F

#3FCC77

Color Blindness Simulation

Original

#3F4ECC

Protanopia

#4546AE

Deuteranopia

#4544A6

Tritanopia

#409590

Achromatopsia

#545454

CSS Usage

background-color: #3F4ECC;
color: #3F4ECC;
border-color: #3F4ECC;
Nearest Tailwind: Blue 700 #1D4ED8

Tailwind Shades

50
#F4F4FB
100
#E4E6F6
200
#C7CBF0
300
#9EA6E5
400
#6A76D7
500
#3645C9
600
#2B37A1
700
#222C81
800
#1B2365
900
#171D4A
950
#0F122F

Contrast Checker

Text on white

6.62:1

AA Pass AAA Fail

Text on black

3.17:1

AA Fail AAA Fail

Related Articles

Brand Stories

Pantone Colors by Decade: The 2000s, 2010s, and 2020s Compared

Feb 01, 2026
Tutorials

Responsive Color: Adapting Colors for Different Screens

Jan 23, 2026
Tutorials

Color for Data Storytelling: Beyond Default Chart Colors

Jan 21, 2026