Color

#11505a

#11505a
hex#11505a
rgbrgb(17, 80, 90)
hslhsl(188, 68%, 21%)
oklchoklch(0.398 0.062 210.7)
Closest name: Raging Thunderstorm (#004f63)Relative luminance 0.0659

Tints & shades

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

Harmonies

Complementary

Open in tool →

#5a1b11

#115a3f · #112c5a

#5a1150 · #505a11

Split-complementary

Open in tool →

#5a112c · #5a3f11

#3f115a · #5a1b11 · #2c5a11

Contrast

#11505a as textRatioAAAA largeAAAFix
Aaon white
9.06:1passpasspassPasses AAA — no fix needed.
Aaon black
2.32:1failfailfail
  • AA: use #1c8292 as the text (4.66:1)
  • AAA: use #23a4b8 as the text (7.07:1)
  • AA: or shift the background to #b8b8b8 (4.57:1)
  • AAA: or shift the background to #e3e3e3 (7.06:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #11505a 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

#11505a reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #11505a
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 #11505a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/11505a-a2b7be-df4e81-1f252d-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