#3F9DAE

#3F9DAE

Color Values

HEX

#3F9DAE

RGB

63, 157, 174

HSL

189,2, 46,8%, 46,5%

HSV

189,2, 63,8%, 68,2%

CMYK

63,8%, 9,8%, 0,0%, 31,8%

OKLCH

0,6473 0,0905 211,5

Properties

Cool Light Nearest: NCS S 1050-B20G Cyan

Color Harmonies

Complementary

#3F9DAE

#AE503F

Analogous

#3FAE88

#3F66AE

#3F9DAE

Triadic

#3F9DAE

#AE3F9D

#9DAE3F

Split Complementary

#3F9DAE

#AE3F66

#AE883F

Tetradic

#3F9DAE

#883FAE

#AE503F

#66AE3F

Color Blindness Simulation

Original

#3F9DAE

Protanopia

#6869AA

Deuteranopia

#625BA9

Tritanopia

#44A7A6

Achromatopsia

#8A8A8A

CSS Usage

background-color: #3F9DAE;
color: #3F9DAE;
border-color: #3F9DAE;
Nearest Tailwind: Cyan 600 #0891B2

Tailwind Shades

50
#F4F9FA
100
#E6F2F4
200
#CBE7EC
300
#A5D6DE
400
#74BFCD
500
#44A9BB
600
#368796
700
#2B6C78
800
#22545E
900
#1C3F45
950
#12282B

Contrast Checker

Text on white

3,16:1

AA Fail AAA Fail

Text on black

6,65:1

AA Pass 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