Color

#09558b

#09558b
hex#09558b
rgbrgb(9, 85, 139)
hslhsl(205, 88%, 29%)
oklchoklch(0.437 0.111 247.2)
Closest name: Beyond the Sea (#005784)Relative luminance 0.0842

Tints & shades

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

Harmonies

Complementary

Open in tool →

#8b3f09

#098b80 · #09148b

#8b0955 · #558b09

Split-complementary

Open in tool →

#8b0914 · #8b8009

#80098b · #8b3f09 · #148b09

Contrast

#09558b as textRatioAAAA largeAAAFix
Aaon white
7.82:1passpasspassPasses AAA — no fix needed.
Aaon black
2.68:1failfailfail
  • AA: use #0d78c5 as the text (4.51:1)
  • AAA: use #229bf1 as the text (7.03:1)
  • AA: or shift the background to #c7c7c7 (4.63:1)
  • AAA: or shift the background to #f5f5f5 (7.18:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #09558b 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

#09558b reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #09558b
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 #09558b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/09558b-9cafc4-df4e58-1f212d-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