#05307B

#05307B

Color Values

HEX

#05307B

RGB

5, 48, 123

HSL

218.1, 92.2%, 25.1%

HSV

218.1, 95.9%, 48.2%

CMYK

95.9%, 61.0%, 0.0%, 51.8%

OKLCH

0.336 0.1355 261.0

Properties

Cool Dark Nearest: NCS S 3060-B Dark Blue

Color Harmonies

Complementary

#05307B

#7B5005

Analogous

#056B7B

#15057B

#05307B

Triadic

#05307B

#7B0530

#307B05

Split Complementary

#05307B

#7B1505

#6B7B05

Tetradic

#05307B

#7B056B

#7B5005

#057B15

Color Blindness Simulation

Original

#05307B

Protanopia

#181869

Deuteranopia

#151264

Tritanopia

#075B57

Achromatopsia

#2C2C2C

CSS Usage

background-color: #05307B;
color: #05307B;
border-color: #05307B;
Nearest Tailwind: Blue 900 #1E3A8A

Tailwind Shades

50
#F1F6FD
100
#DFE9FB
200
#BAD2FC
300
#89B3FA
400
#4A89F8
500
#0A60F5
600
#084DC4
700
#063D9D
800
#05307B
900
#082659
950
#051838

Contrast Checker

Text on white

12.24:1

AA Pass AAA Pass

Text on black

1.72:1

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