Color

#258fb6

#258fb6
hex#258fb6
rgbrgb(37, 143, 182)
hslhsl(196, 66%, 43%)
oklchoklch(0.61 0.108 228.1)
Closest name: Blue Moon (#3992a8)Relative luminance 0.2342

Colors that go with #258fb6

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 →

#b64c25

#25b694 · #2547b6

#b6258f · #8fb625

Split-complementary

Open in tool →

#b62547 · #b69425

#9425b6 · #b64c25 · #47b625

Contrast

#258fb6 as textRatioAAAA largeAAAFix
Aaon white
3.7:1failpassfail
  • AA: use #217fa1 as the text (4.55:1)
  • AAA: use #185d77 as the text (7.31:1)
  • AA: or shift the background to #1c1c1c (4.61:1)
Aaon black
5.68:1passpassfail
  • AAA: use #2aa3cf as the text (7.24:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #258fb6 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Palettes built around it

Fonts for this mood

#258fb6 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #258fb6
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 #258fb6 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/258fb6-9cb5c4-df4e6e-1f232d-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