Color

#257488

#257488
hex#257488
rgbrgb(37, 116, 136)
hslhsl(192, 57%, 34%)
oklchoklch(0.521 0.08 218.3)
Closest name: Astral (#376f89)Relative luminance 0.1466

Colors that go with #257488

Charcoal, Crimson and Rust 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.

Real palettes that use #257488

Tints & shades

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

Harmonies

Complementary

Open in tool →

#883925

#25886a · #254388

#882574 · #748825

Split-complementary

Open in tool →

#882543 · #886a25

#6a2588 · #883925 · #438825

Contrast

#257488 as textRatioAAAA largeAAAFix
Aaon white
5.34:1passpassfail
  • AAA: use #1f6070 as the text (7.08:1)
Aaon black
3.93:1failpassfail
  • AA: use #297f94 as the text (4.56:1)
  • AAA: use #35a4c0 as the text (7.22:1)
  • AA: or shift the background to #ededed (4.56:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #257488 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

#257488 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #257488
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 #257488 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/257488-a2b5be-df4e77-1f242d-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