#3F5D7D

#3F5D7D

Color Values

HEX

#3F5D7D

RGB

63, 93, 125

HSL

211.0, 33.0%, 36.9%

HSV

211.0, 49.6%, 49.0%

CMYK

49.6%, 25.6%, 0.0%, 51.0%

OKLCH

0.4688 0.0632 250.8

Properties

Cool Dark Nearest: RAL 5023 Distant Blue

Color Harmonies

Complementary

#3F5D7D

#7D5F3F

Analogous

#3F7C7D

#403F7D

#3F5D7D

Triadic

#3F5D7D

#7D3F5D

#5D7D3F

Split Complementary

#3F5D7D

#7D403F

#7C7D3F

Tetradic

#3F5D7D

#7D3F7C

#7D5F3F

#3F7D40

Color Blindness Simulation

Original

#3F5D7D

Protanopia

#4C4C75

Deuteranopia

#4A4873

Tritanopia

#406F6E

Achromatopsia

#595959

CSS Usage

background-color: #3F5D7D;
color: #3F5D7D;
border-color: #3F5D7D;
Nearest Tailwind: Slate 600 #475569

Tailwind Shades

50
#F5F7F9
100
#E8EDF2
200
#D0DBE7
300
#AEC1D6
400
#82A0C0
500
#557EAA
600
#446588
700
#37516D
800
#2B3F55
900
#22303F
950
#161E28

Contrast Checker

Text on white

6.83:1

AA Pass AAA Fail

Text on black

3.07:1

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