#3F4A69

#3F4A69

Color Values

HEX

#3F4A69

RGB

63, 74, 105

HSL

224.3, 25.0%, 32.9%

HSV

224.3, 40.0%, 41.2%

CMYK

40.0%, 29.5%, 0.0%, 58.8%

OKLCH

0.4131 0.0541 268.9

Properties

Cool Dark Nearest: RAL 5000 Violet Blue

Color Harmonies

Complementary

#3F4A69

#695E3F

Analogous

#3F5F69

#493F69

#3F4A69

Triadic

#3F4A69

#693F4A

#4A693F

Split Complementary

#3F4A69

#69493F

#5F693F

Tetradic

#3F4A69

#693F5F

#695E3F

#3F6949

Color Blindness Simulation

Original

#3F4A69

Protanopia

#444462

Deuteranopia

#434260

Tritanopia

#405C5A

Achromatopsia

#4A4A4A

CSS Usage

background-color: #3F4A69;
color: #3F4A69;
border-color: #3F4A69;
Nearest Tailwind: Slate 700 #334155

Tailwind Shades

50
#F6F7F9
100
#E9EBF1
200
#D2D7E4
300
#B2BBD1
400
#8995B8
500
#60709F
600
#4D5A80
700
#3D4866
800
#303850
900
#262B3B
950
#181B25

Contrast Checker

Text on white

8.77:1

AA Pass AAA Pass

Text on black

2.39:1

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