Color

#658b88

#658b88
hex#658b88
rgbrgb(101, 139, 136)
hslhsl(175, 16%, 47%)
oklchoklch(0.608 0.042 190)
Closest name: Arctic (#648589)Relative luminance 0.2301

Colors that go with #658b88

Charcoal, Copper and Champagne 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 →

#8b6568

#658b75 · #657b8b

#88658b · #8b8865

Split-complementary

Open in tool →

#8b657b · #8b7565

#75658b · #8b6568 · #7b8b65

Contrast

#658b88 as textRatioAAAA largeAAAFix
Aaon white
3.75:1failpassfail
  • AA: use #5a7c79 as the text (4.57:1)
  • AAA: use #425c5a as the text (7.22:1)
  • AA: or shift the background to #1c1c1c (4.55:1)
Aaon black
5.6:1passpassfail
  • AAA: use #7a9f9c 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 #658b88 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 #658b88
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 #658b88 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/658b88-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