#3F7588

#3F7588

Color Values

HEX

#3F7588

RGB

63, 117, 136

HSL

195.6, 36.7%, 39.0%

HSV

195.6, 53.7%, 53.3%

CMYK

53.7%, 14.0%, 0.0%, 46.7%

OKLCH

0.5329 0.0645 223.1

Properties

Cool Dark Nearest: RAL 5021 Water Blue

Color Harmonies

Complementary

#3F7588

#88523F

Analogous

#3F8876

#3F5088

#3F7588

Triadic

#3F7588

#883F75

#75883F

Split Complementary

#3F7588

#883F50

#88763F

Tetradic

#3F7588

#763F88

#88523F

#50883F

Color Blindness Simulation

Original

#3F7588

Protanopia

#565783

Deuteranopia

#534F82

Tritanopia

#42807F

Achromatopsia

#6B6B6B

CSS Usage

background-color: #3F7588;
color: #3F7588;
border-color: #3F7588;
Nearest Tailwind: Cyan 700 #0E7490

Tailwind Shades

50
#F5F8FA
100
#E8F0F3
200
#CEE2E8
300
#ABCDD8
400
#7EB1C3
500
#5196AE
600
#41788B
700
#346070
800
#284B57
900
#203840
950
#142329

Contrast Checker

Text on white

5.11:1

AA Pass AAA Fail

Text on black

4.11:1

AA Fail 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