#3F4D78

#3F4D78

Color Values

HEX

#3F4D78

RGB

63, 77, 120

HSL

225.3, 31.1%, 35.9%

HSV

225.3, 47.5%, 47.1%

CMYK

47.5%, 35.8%, 0.0%, 52.9%

OKLCH

0.4283 0.0738 269.4

Properties

Cool Dark Nearest: RAL 5000 Violet Blue

Color Harmonies

Complementary

#3F4D78

#786A3F

Analogous

#3F6978

#4E3F78

#3F4D78

Triadic

#3F4D78

#783F4D

#4D783F

Split Complementary

#3F4D78

#784E3F

#69783F

Tetradic

#3F4D78

#783F69

#786A3F

#3F784E

Color Blindness Simulation

Original

#3F4D78

Protanopia

#45456E

Deuteranopia

#44436B

Tritanopia

#406564

Achromatopsia

#4D4D4D

CSS Usage

background-color: #3F4D78;
color: #3F4D78;
border-color: #3F4D78;
Nearest Tailwind: Sky 900 #0C4A6E

Tailwind Shades

50
#F5F6F9
100
#E8EBF2
200
#D0D6E6
300
#AFB8D5
400
#8392BE
500
#586BA7
600
#465686
700
#38456B
800
#2C3654
900
#232A3E
950
#161A27

Contrast Checker

Text on white

8.25:1

AA Pass AAA Pass

Text on black

2.54:1

AA Fail AAA Fail

Related Articles

Tutorials

Responsive Color: Adapting Colors for Different Screens

Jan 23, 2026
Tutorials

Color for Data Storytelling: Beyond Default Chart Colors

Jan 21, 2026
Tutorials

How to Choose Brand Colors: A Step-by-Step Guide

Jan 18, 2026