#0B3F8C

#0B3F8C

Color Values

HEX

#0B3F8C

RGB

11, 63, 140

HSL

215.8, 85.4%, 29.6%

HSV

215.8, 92.1%, 54.9%

CMYK

92.1%, 55.0%, 0.0%, 45.1%

OKLCH

0.3859 0.1386 259.3

Properties

Cool Dark Nearest: royalblue 4

Color Harmonies

Complementary

#0B3F8C

#8C580B

Analogous

#0B7F8C

#170B8C

#0B3F8C

Triadic

#0B3F8C

#8C0B3F

#3F8C0B

Split Complementary

#0B3F8C

#8C170B

#7F8C0B

Tetradic

#0B3F8C

#8C0B7F

#8C580B

#0B8C17

Color Blindness Simulation

Original

#0B3F8C

Protanopia

#222279

Deuteranopia

#1E1B75

Tritanopia

#0E6B67

Achromatopsia

#3A3A3A

CSS Usage

background-color: #0B3F8C;
color: #0B3F8C;
border-color: #0B3F8C;
Nearest Tailwind: Blue 900 #1E3A8A

Tailwind Shades

50
#F2F6FD
100
#E0EBFA
200
#BDD5FA
300
#8EB8F6
400
#5091F1
500
#136AEC
600
#0F55BD
700
#0C4497
800
#093576
900
#0B2956
950
#071A36

Contrast Checker

Text on white

9.98:1

AA Pass AAA Pass

Text on black

2.1:1

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