Color

#155c8e

#155c8e
hex#155c8e
rgbrgb(21, 92, 142)
hslhsl(205, 74%, 32%)
oklchoklch(0.459 0.105 245.1)
Closest name: Beyond the Sea (#005784)Relative luminance 0.0977

Tints & shades

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

Harmonies

Complementary

Open in tool →

#8e4815

#158e84 · #151f8e

#8e155c · #5c8e15

Split-complementary

Open in tool →

#8e151f · #8e8415

#84158e · #8e4815 · #1f8e15

Contrast

#155c8e as textRatioAAAA largeAAAFix
Aaon white
7.11:1passpasspassPasses AAA — no fix needed.
Aaon black
2.95:1failfailfail
  • AA: use #1d7bbf as the text (4.64:1)
  • AAA: use #3c9de2 as the text (7.11:1)
  • AA: or shift the background to #cfcfcf (4.56:1)
  • AAA: or shift the background to #ffffff (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 #155c8e 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

#155c8e reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #155c8e
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 #155c8e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/155c8e-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