#307DDB

#307DDB

Color Values

HEX

#307DDB

RGB

48, 125, 219

HSL

213.0, 70.4%, 52.4%

HSV

213.0, 78.1%, 85.9%

CMYK

78.1%, 42.9%, 0.0%, 14.1%

OKLCH

0.5912 0.1619 255.5

Properties

Cool Light Nearest: Navy Blue

Color Harmonies

Complementary

#307DDB

#DB8E30

Analogous

#30D3DB

#3930DB

#307DDB

Triadic

#307DDB

#DB307D

#7DDB30

Split Complementary

#307DDB

#DB3930

#D3DB30

Tetradic

#307DDB

#DB30D3

#DB8E30

#30DB39

Color Blindness Simulation

Original

#307DDB

Protanopia

#5152C4

Deuteranopia

#4D47BF

Tritanopia

#34B2AE

Achromatopsia

#737373

CSS Usage

background-color: #307DDB;
color: #307DDB;
border-color: #307DDB;
Nearest Tailwind: Blue 500 #3B82F6

Tailwind Shades

50
#F3F7FC
100
#E2ECF8
200
#C2D9F4
300
#97BDED
400
#5E9AE3
500
#2677D9
600
#1E5FAE
700
#184C8B
800
#133B6D
900
#122D4F
950
#0B1D32

Contrast Checker

Text on white

4.13:1

AA Fail AAA Fail

Text on black

5.08:1

AA Pass 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