#0C3681

#0C3681

Color Values

HEX

#0C3681

RGB

12, 54, 129

HSL

218.5, 83.0%, 27.6%

HSV

218.5, 90.7%, 50.6%

CMYK

90.7%, 58.1%, 0.0%, 49.4%

OKLCH

0.3564 0.1347 261.1

Properties

Cool Dark Nearest: NCS S 3060-B Dark Blue

Color Harmonies

Complementary

#0C3681

#81570C

Analogous

#0C7081

#1D0C81

#0C3681

Triadic

#0C3681

#810C36

#36810C

Split Complementary

#0C3681

#811D0C

#70810C

Tetradic

#0C3681

#810C70

#81570C

#0C811D

Color Blindness Simulation

Original

#0C3681

Protanopia

#1E1F6F

Deuteranopia

#1C196A

Tritanopia

#0E615D

Achromatopsia

#323232

CSS Usage

background-color: #0C3681;
color: #0C3681;
border-color: #0C3681;
Nearest Tailwind: Blue 900 #1E3A8A

Tailwind Shades

50
#F2F6FD
100
#E1EAFA
200
#BED3F9
300
#8FB3F5
400
#528AEF
500
#1662E9
600
#114EBB
700
#0E3E95
800
#0B3175
900
#0C2655
950
#081835

Contrast Checker

Text on white

11.29:1

AA Pass AAA Pass

Text on black

1.86:1

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