Color

#0c424b

#0c424b
hex#0c424b
rgbrgb(12, 66, 75)
hslhsl(189, 72%, 17%)
oklchoklch(0.35 0.055 211.5)
Closest name: Cold and Dark (#154250)Relative luminance 0.0448

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#4b160c

#0c4b35 · #0c224b

#4b0c41 · #414b0c

Split-complementary

Open in tool →

#4b0c22 · #4b350c

#350c4b · #4b160c · #224b0c

Contrast

#0c424b as textRatioAAAA largeAAAFix
Aaon white
11.07:1passpasspassPasses AAA — no fix needed.
Aaon black
1.9:1failfailfail
  • AA: use #188295 as the text (4.67:1)
  • AAA: use #1fa5bd as the text (7.18:1)
  • AA: or shift the background to #a6a6a6 (4.55:1)
  • AAA: or shift the background to #cfcfcf (7.11:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0c424b as the background.

Brands using this color

Fonts for this mood

#0c424b reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0c424b
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #0c424b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0c424b-a2b7be-df4e7e-1f252d-e9f1ee?lock=0&style=vibrant

Want the agent to remember your picks and write them into a living brand? Create a free BrandSweets workspace.

Machine-readable: color.md