Color

#258369

#258369
hex#258369
rgbrgb(37, 131, 105)
hslhsl(163, 56%, 33%)
oklchoklch(0.549 0.096 170.4)
Closest name: Elf (#1b8a6b)Relative luminance 0.1765

Colors that go with #258369

Charcoal, Crimson and Medium Violet Red 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 →

#832540

#258339 · #256f83

#692583 · #836925

Split-complementary

Open in tool →

#83256f · #833925

#392583 · #832540 · #6f8325

Contrast

#258369 as textRatioAAAA largeAAAFix
Aaon white
4.64:1passpassfail
  • AAA: use #1c634f as the text (7.13:1)
Aaon black
4.53:1passpassfail
  • AAA: use #30ab88 as the text (7.31:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #258369 as the background.

Brands using this color

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

mcpConnect your agent — build around #258369
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 #258369 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/258369-a2beb9-d459b7-1f2b2d-e9f1eb?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