Color

#17515e

#17515e
hex#17515e
rgbrgb(23, 81, 94)
hslhsl(191, 61%, 23%)
oklchoklch(0.404 0.062 215.9)
Closest name: Raging Thunderstorm (#004f63)Relative luminance 0.0688

Tints & shades

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

Harmonies

Complementary

Open in tool →

#5e2417

#175e48 · #172e5e

#5e1751 · #515e17

Split-complementary

Open in tool →

#5e172e · #5e4817

#48175e · #5e2417 · #2e5e17

Contrast

#17515e as textRatioAAAA largeAAAFix
Aaon white
8.84:1passpasspassPasses AAA — no fix needed.
Aaon black
2.38:1failfailfail
  • AA: use #247f94 as the text (4.54:1)
  • AAA: use #2ea3bd as the text (7.09:1)
  • AA: or shift the background to #bababa (4.56:1)
  • AAA: or shift the background to #e6e6e6 (7.08:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #17515e 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

#17515e reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #17515e
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 #17515e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/17515e-a2b6be-df4e7a-1f252d-e9f1ef?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