#0C3F51

#0C3F51

Color Values

HEX

#0C3F51

RGB

12, 63, 81

HSL

195.7, 74.2%, 18.2%

HSV

195.7, 85.2%, 31.8%

CMYK

85.2%, 22.2%, 0.0%, 68.2%

OKLCH

0.3445 0.0598 226.8

Properties

Cool Dark Nearest: RAL 5020 Ocean Blue

Color Harmonies

Complementary

#0C3F51

#511E0C

Analogous

#0C5140

#0C1C51

#0C3F51

Triadic

#0C3F51

#510C3F

#3F510C

Split Complementary

#0C3F51

#510C1C

#51400C

Tetradic

#0C3F51

#400C51

#511E0C

#1C510C

Color Blindness Simulation

Original

#0C3F51

Protanopia

#22234D

Deuteranopia

#1F1B4C

Tritanopia

#0F4948

Achromatopsia

#353535

CSS Usage

background-color: #0C3F51;
color: #0C3F51;
border-color: #0C3F51;
Nearest Tailwind: Cyan 950 #083344

Tailwind Shades

50
#F3FAFC
100
#E2F3F8
200
#C1E8F6
300
#94D7EF
400
#5BC2E7
500
#21ADDE
600
#1A8AB2
700
#156E8E
800
#10566F
900
#104051
950
#0A2833

Contrast Checker

Text on white

11.38:1

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