Color

#0c3a50

#0c3a50
hex#0c3a50
rgbrgb(12, 58, 80)
hslhsl(199, 74%, 18%)
oklchoklch(0.33 0.061 234.4)
Closest name: Maniac Mansion (#004058)Relative luminance 0.0368

Tints & shades

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

Harmonies

Complementary

Open in tool →

#50210c

#0c5043 · #0c1850

#500c3a · #3a500c

Split-complementary

Open in tool →

#500c18 · #50430c

#430c50 · #50210c · #18500c

Contrast

#0c3a50 as textRatioAAAA largeAAAFix
Aaon white
12.09:1passpasspassPasses AAA — no fix needed.
Aaon black
1.74:1failfailfail
  • AA: use #1a7ead as the text (4.63:1)
  • AAA: use #209fd9 as the text (7.02:1)
  • AA: or shift the background to #9e9e9e (4.51:1)
  • AAA: or shift the background to #c7c7c7 (7.15:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0c3a50 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

#0c3a50 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0c3a50
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 #0c3a50 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0c3a50-9cb3c4-df4e66-1f232d-e9f1f0?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