#3378B4

#3378B4

Color Values

HEX

#3378B4

RGB

51, 120, 180

HSL

207.9, 55.8%, 45.3%

HSV

207.9, 71.7%, 70.6%

CMYK

71.7%, 33.3%, 0.0%, 29.4%

OKLCH

0.5572 0.1163 247.9

Properties

Cool Dark Nearest: RAL 5012 Light Blue

Color Harmonies

Complementary

#3378B4

#B46F33

Analogous

#33B4AF

#3338B4

#3378B4

Triadic

#3378B4

#B43378

#78B433

Split Complementary

#3378B4

#B43338

#B4AF33

Tetradic

#3378B4

#AF33B4

#B46F33

#38B433

Color Blindness Simulation

Original

#3378B4

Protanopia

#5151A5

Deuteranopia

#4D48A2

Tritanopia

#369A98

Achromatopsia

#6E6E6E

CSS Usage

background-color: #3378B4;
color: #3378B4;
border-color: #3378B4;
Nearest Tailwind: Sky 700 #0369A1

Tailwind Shades

50
#F4F8FB
100
#E5EEF6
200
#C7DDEF
300
#A0C4E4
400
#6CA4D5
500
#3884C7
600
#2D6A9F
700
#24557F
800
#1C4263
900
#183249
950
#0F202E

Contrast Checker

Text on white

4.68:1

AA Pass AAA Fail

Text on black

4.49:1

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