#3F919C

#3F919C

Color Values

HEX

#3F919C

RGB

63, 145, 156

HSL

187.1, 42.5%, 42.9%

HSV

187.1, 59.6%, 61.2%

CMYK

59.6%, 7.1%, 0.0%, 38.8%

OKLCH

0.6107 0.0805 207.2

Properties

Cool Light Nearest: RAL 5018 Turquoise Blue

Color Harmonies

Complementary

#3F919C

#9C4A3F

Analogous

#3F9C78

#3F629C

#3F919C

Triadic

#3F919C

#9C3F91

#919C3F

Split Complementary

#3F919C

#9C3F62

#9C783F

Tetradic

#3F919C

#783F9C

#9C4A3F

#629C3F

Color Blindness Simulation

Original

#3F919C

Protanopia

#636399

Deuteranopia

#5E5899

Tritanopia

#439797

Achromatopsia

#808080

CSS Usage

background-color: #3F919C;
color: #3F919C;
border-color: #3F919C;
Nearest Tailwind: Cyan 600 #0891B2

Tailwind Shades

50
#F5F9FA
100
#E7F2F4
200
#CCE7EA
300
#A8D6DC
400
#79BFC9
500
#49A9B6
600
#3B8791
700
#2F6C74
800
#25545B
900
#1E3F43
950
#13282A

Contrast Checker

Text on white

3.66:1

AA Fail AAA Fail

Text on black

5.74:1

AA Pass 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