#3F6F7D

#3F6F7D

Color Values

HEX

#3F6F7D

RGB

63, 111, 125

HSL

193.5, 33.0%, 36.9%

HSV

193.5, 49.6%, 49.0%

CMYK

49.6%, 11.2%, 0.0%, 51.0%

OKLCH

0.5133 0.0566 218.7

Properties

Cool Dark Nearest: RAL 5021 Water Blue

Color Harmonies

Complementary

#3F6F7D

#7D4D3F

Analogous

#3F7D6C

#3F507D

#3F6F7D

Triadic

#3F6F7D

#7D3F6F

#6F7D3F

Split Complementary

#3F6F7D

#7D3F50

#7D6C3F

Tetradic

#3F6F7D

#6C3F7D

#7D4D3F

#507D3F

Color Blindness Simulation

Original

#3F6F7D

Protanopia

#54547A

Deuteranopia

#514D79

Tritanopia

#417776

Achromatopsia

#666666

CSS Usage

background-color: #3F6F7D;
color: #3F6F7D;
border-color: #3F6F7D;
Nearest Tailwind: Cyan 800 #155E75

Tailwind Shades

50
#F5F9F9
100
#E8F0F2
200
#D0E2E7
300
#AECDD6
400
#82B2C0
500
#5597AA
600
#447988
700
#37606D
800
#2B4B55
900
#22383F
950
#162428

Contrast Checker

Text on white

5.55:1

AA Pass AAA Fail

Text on black

3.78:1

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