#0B3E80

#0B3E80

Color Values

HEX

#0B3E80

RGB

11, 62, 128

HSL

213.8, 84.2%, 27.3%

HSV

213.8, 91.4%, 50.2%

CMYK

91.4%, 51.6%, 0.0%, 49.8%

OKLCH

0.3736 0.123 257.5

Properties

Cool Dark Nearest: NCS S 3060-B Dark Blue

Color Harmonies

Complementary

#0B3E80

#804D0B

Analogous

#0B7980

#120B80

#0B3E80

Triadic

#0B3E80

#800B3E

#3E800B

Split Complementary

#0B3E80

#80120B

#79800B

Tetradic

#0B3E80

#800B79

#804D0B

#0B8012

Color Blindness Simulation

Original

#0B3E80

Protanopia

#212270

Deuteranopia

#1E1A6C

Tritanopia

#0E6361

Achromatopsia

#383838

CSS Usage

background-color: #0B3E80;
color: #0B3E80;
border-color: #0B3E80;
Nearest Tailwind: Blue 900 #1E3A8A

Tailwind Shades

50
#F2F7FD
100
#E0ECFA
200
#BDD7F9
300
#8EBBF5
400
#5197F0
500
#1472EB
600
#105BBC
700
#0D4996
800
#0A3975
900
#0C2C55
950
#071C36

Contrast Checker

Text on white

10.42:1

AA Pass AAA Pass

Text on black

2.01:1

AA Fail AAA Fail

Related Articles

Tutorials

CSS color-mix(): Blend Colors Natively in the Browser

Jan 26, 2026
Tutorials

Building a Color Picker Web Component from Scratch

Jan 21, 2026
Tutorials

Perceptual Color Spaces: Lab, LCH, Oklab, OKLCH

Jan 15, 2026