#0C377B

#0C377B

Color Values

HEX

#0C377B

RGB

12, 55, 123

HSL

216.8, 82.2%, 26.5%

HSV

216.8, 90.2%, 48.2%

CMYK

90.2%, 55.3%, 0.0%, 51.8%

OKLCH

0.3534 0.1249 259.8

Properties

Cool Dark Nearest: NCS S 3060-B Dark Blue

Color Harmonies

Complementary

#0C377B

#7B500C

Analogous

#0C6F7B

#190C7B

#0C377B

Triadic

#0C377B

#7B0C37

#377B0C

Split Complementary

#0C377B

#7B190C

#6F7B0C

Tetradic

#0C377B

#7B0C6F

#7B500C

#0C7B19

Color Blindness Simulation

Original

#0C377B

Protanopia

#1F1F6B

Deuteranopia

#1C1967

Tritanopia

#0E5E5B

Achromatopsia

#333333

CSS Usage

background-color: #0C377B;
color: #0C377B;
border-color: #0C377B;
Nearest Tailwind: Blue 900 #1E3A8A

Tailwind Shades

50
#F2F6FD
100
#E1EAFA
200
#BED5F9
300
#8FB6F4
400
#538FEE
500
#1768E8
600
#1253BA
700
#0F4295
800
#0B3474
900
#0D2854
950
#081935

Contrast Checker

Text on white

11.36:1

AA Pass AAA Pass

Text on black

1.85:1

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