Color

#11273c

#11273c
hex#11273c
rgbrgb(17, 39, 60)
hslhsl(209, 56%, 15%)
oklchoklch(0.266 0.048 249.1)
Closest name: Eternal Darkness (#1c2841)Relative luminance 0.019

Tints & shades

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

Harmonies

Complementary

Open in tool →

#3c2611

#113c3b · #11123c

#3c1127 · #273c11

Split-complementary

Open in tool →

#3c1112 · #3c3b11

#3b113c · #3c2611 · #123c11

Contrast

#11273c as textRatioAAAA largeAAAFix
Aaon white
15.23:1passpasspassPasses AAA — no fix needed.
Aaon black
1.38:1failfailfail
  • AA: use #357abb as the text (4.65:1)
  • AAA: use #609bd2 as the text (7.12:1)
  • AA: or shift the background to #8c8c8c (4.53:1)
  • AAA: or shift the background to #b0b0b0 (7.02:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #11273c as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#11273c reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #11273c
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 #11273c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/11273c-9cacc4-df4e4e-1f212d-e9f1f1?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