#0B3579

#0B3579

Color Values

HEX

#0B3579

RGB

11, 53, 121

HSL

217.1, 83.3%, 25.9%

HSV

217.1, 90.9%, 47.5%

CMYK

90.9%, 56.2%, 0.0%, 52.5%

OKLCH

0.3468 0.1248 260.1

Properties

Cool Dark Nearest: NCS S 3060-B Dark Blue

Color Harmonies

Complementary

#0B3579

#794F0B

Analogous

#0B6C79

#180B79

#0B3579

Triadic

#0B3579

#790B35

#35790B

Split Complementary

#0B3579

#79180B

#6C790B

Tetradic

#0B3579

#790B6C

#794F0B

#0B7918

Color Blindness Simulation

Original

#0B3579

Protanopia

#1D1E69

Deuteranopia

#1B1865

Tritanopia

#0D5C59

Achromatopsia

#313131

CSS Usage

background-color: #0B3579;
color: #0B3579;
border-color: #0B3579;
Nearest Tailwind: Blue 900 #1E3A8A

Tailwind Shades

50
#F2F6FD
100
#E1EAFA
200
#BED4F9
300
#8FB6F5
400
#528EEF
500
#1566EA
600
#1152BB
700
#0E4296
800
#0B3375
900
#0C2855
950
#081936

Contrast Checker

Text on white

11.67:1

AA Pass AAA Pass

Text on black

1.8:1

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