#3F6FA8

#3F6FA8

Color Values

HEX

#3F6FA8

RGB

63, 111, 168

HSL

212.6, 45.5%, 45.3%

HSV

212.6, 62.5%, 65.9%

CMYK

62.5%, 33.9%, 0.0%, 34.1%

OKLCH

0.5343 0.1043 253.8

Properties

Cool Dark Nearest: RAL 5015 Sky Blue

Color Harmonies

Complementary

#3F6FA8

#A8783F

Analogous

#3FA4A8

#443FA8

#3F6FA8

Triadic

#3F6FA8

#A83F6F

#6FA83F

Split Complementary

#3F6FA8

#A8443F

#A4A83F

Tetradic

#3F6FA8

#A83FA4

#A8783F

#3FA844

Color Blindness Simulation

Original

#3F6FA8

Protanopia

#54549A

Deuteranopia

#514D97

Tritanopia

#418F8D

Achromatopsia

#696969

CSS Usage

background-color: #3F6FA8;
color: #3F6FA8;
border-color: #3F6FA8;
Nearest Tailwind: Sky 700 #0369A1

Tailwind Shades

50
#F4F7FA
100
#E6EDF4
200
#CBDAEC
300
#A6BFDE
400
#769DCC
500
#457ABA
600
#386294
700
#2C4E77
800
#233D5D
900
#1D2F44
950
#121E2B

Contrast Checker

Text on white

5.18:1

AA Pass AAA Fail

Text on black

4.05:1

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