#3F9BAC

#3F9BAC

Color Values

HEX

#3F9BAC

RGB

63, 155, 172

HSL

189,4, 46,4%, 46,1%

HSV

189,4, 63,4%, 67,5%

CMYK

63,4%, 9,9%, 0,0%, 32,5%

OKLCH

0,6416 0,0892 211,8

Properties

Cool Light Nearest: NCS S 1050-B20G Cyan

Color Harmonies

Complementary

#3F9BAC

#AC503F

Analogous

#3FAC87

#3F64AC

#3F9BAC

Triadic

#3F9BAC

#AC3F9B

#9BAC3F

Split Complementary

#3F9BAC

#AC3F64

#AC873F

Tetradic

#3F9BAC

#873FAC

#AC503F

#64AC3F

Color Blindness Simulation

Original

#3F9BAC

Protanopia

#6768A8

Deuteranopia

#625BA7

Tritanopia

#44A5A4

Achromatopsia

#898989

CSS Usage

background-color: #3F9BAC;
color: #3F9BAC;
border-color: #3F9BAC;
Nearest Tailwind: Cyan 600 #0891B2

Tailwind Shades

50
#F4F9FA
100
#E6F2F4
200
#CBE7EC
300
#A5D5DE
400
#75BFCC
500
#44A8BB
600
#378695
700
#2C6C77
800
#22545D
900
#1C3E45
950
#12272B

Contrast Checker

Text on white

3,23:1

AA Fail AAA Fail

Text on black

6,5:1

AA Pass AAA Fail

Related Articles

Tutorials

CSS color-mix(): Blend Colors Natively in the Browser

Jan 26, 2026
Tutorials

Building a Color Picker Web Component from Scratch

Jan 21, 2026
Tutorials

Perceptual Color Spaces: Lab, LCH, Oklab, OKLCH

Jan 15, 2026