Color

#258998

#258998
hex#258998
rgbrgb(37, 137, 152)
hslhsl(188, 61%, 37%)
oklchoklch(0.581 0.09 209.8)
Closest name: darkcyan (#008b8b)Relative luminance 0.2055

Colors that go with #258998

Charcoal, Copper and Crimson lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#983425

#25986e · #254f98

#982589 · #899825

Split-complementary

Open in tool →

#98254f · #986e25

#6e2598 · #983425 · #4f9825

Contrast

#258998 as textRatioAAAA largeAAAFix
Aaon white
4.11:1failpassfail
  • AA: use #238190 as the text (4.55:1)
  • AAA: use #1a606b as the text (7.17:1)
  • AA: or shift the background to #121212 (4.56:1)
Aaon black
5.11:1passpassfail
  • AAA: use #2da6b9 as the text (7.27:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #258998 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

#258998 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #258998
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #258998 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/258998-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