#3F7C83

#3F7C83

Color Values

HEX

#3F7C83

RGB

63, 124, 131

HSL

186.2, 35.1%, 38.0%

HSV

186.2, 51.9%, 51.4%

CMYK

51.9%, 5.3%, 0.0%, 48.6%

OKLCH

0.5484 0.064 205.3

Properties

Cool Dark Nearest: cadetblue 4

Color Harmonies

Complementary

#3F7C83

#83463F

Analogous

#3F8368

#3F5A83

#3F7C83

Triadic

#3F7C83

#833F7C

#7C833F

Split Complementary

#3F7C83

#833F5A

#83683F

Tetradic

#3F7C83

#683F83

#83463F

#5A833F

Color Blindness Simulation

Original

#3F7C83

Protanopia

#595A81

Deuteranopia

#565181

Tritanopia

#428080

Achromatopsia

#707070

CSS Usage

background-color: #3F7C83;
color: #3F7C83;
border-color: #3F7C83;
Nearest Tailwind: Cyan 700 #0E7490

Tailwind Shades

50
#F5F9FA
100
#E8F1F2
200
#CFE5E8
300
#ACD3D7
400
#80BBC2
500
#53A3AC
600
#42828A
700
#35686E
800
#295256
900
#213D40
950
#152628

Contrast Checker

Text on white

4.75:1

AA Pass AAA Fail

Text on black

4.42:1

AA Fail AAA Fail

Related Articles

Tutorials

Building a Color Picker Web Component from Scratch

Feb 20, 2026
Tutorials

Web Color Performance: Gradients, Shadows, and Filters

Feb 19, 2026
Tutorials

Tailwind CSS Colors: Complete Shade System Guide

Feb 19, 2026