#3665AC

#3665AC

Color Values

HEX

#3665AC

RGB

54, 101, 172

HSL

216.1, 52.2%, 44.3%

HSV

216.1, 68.6%, 67.5%

CMYK

68.6%, 41.3%, 0.0%, 32.5%

OKLCH

0.5097 0.1243 258.5

Properties

Cool Dark Nearest: NCS S 1060-B Bright Blue

Color Harmonies

Complementary

#3665AC

#AC7D36

Analogous

#36A0AC

#4236AC

#3665AC

Triadic

#3665AC

#AC3665

#65AC36

Split Complementary

#3665AC

#AC4236

#A0AC36

Tetradic

#3665AC

#AC36A0

#AC7D36

#36AC42

Color Blindness Simulation

Original

#3665AC

Protanopia

#4A4B9B

Deuteranopia

#484497

Tritanopia

#388D8A

Achromatopsia

#606060

CSS Usage

background-color: #3665AC;
color: #3665AC;
border-color: #3665AC;
Nearest Tailwind: Sky 700 #0369A1

Tailwind Shades

50
#F4F7FB
100
#E5ECF5
200
#C9D8EE
300
#A2BBE2
400
#6F97D2
500
#3D72C2
600
#315B9B
700
#27497C
800
#1E3961
900
#1A2C47
950
#101C2D

Contrast Checker

Text on white

5.81:1

AA Pass AAA Fail

Text on black

3.61:1

AA Fail AAA Fail

Related Articles

Brand Stories

Pantone Colors by Decade: The 2000s, 2010s, and 2020s Compared

Feb 01, 2026
Tutorials

Responsive Color: Adapting Colors for Different Screens

Jan 23, 2026
Tutorials

Color for Data Storytelling: Beyond Default Chart Colors

Jan 21, 2026