Color

#257e76

#257e76
hex#257e76
rgbrgb(37, 126, 118)
hslhsl(175, 55%, 32%)
oklchoklch(0.54 0.083 186.4)
Closest name: teal (#008080)Relative luminance 0.1662

Colors that go with #257e76

Charcoal, Crimson and Amber 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 →

#7e252c

#257e4a · #25597e

#77257e · #7e7725

Split-complementary

Open in tool →

#7e2559 · #7e4a25

#4a257e · #7e252c · #597e25

Contrast

#257e76 as textRatioAAAA largeAAAFix
Aaon white
4.86:1passpassfail
  • AAA: use #1d635d as the text (7.01:1)
Aaon black
4.32:1failpassfail
  • AA: use #26827b as the text (4.56:1)
  • AAA: use #30a69c as the text (7.06:1)
  • AA: or shift the background to #f7f7f7 (4.53:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #257e76 as the background.

Brands using this color

mcpConnect your agent — build around #257e76
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 #257e76 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/257e76-a2bdbe-d4599f-1f282d-e9f1ed?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