Color

#5a8bbf

#5a8bbf
hex#5a8bbf
rgbrgb(90, 139, 191)
hslhsl(211, 44%, 55%)
oklchoklch(0.624 0.095 250.9)
Closest name: steelblue (#4682b4)Relative luminance 0.244

Colors that go with #5a8bbf

Charcoal, Copper 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 →

#bf8e5a

#5abdbf · #5b5abf

#bf5a8b · #8bbf5a

Split-complementary

Open in tool →

#bf5b5a · #bdbf5a

#bf5abd · #bf8e5a · #5abf5b

Contrast

#5a8bbf as textRatioAAAA largeAAAFix
Aaon white
3.57:1failpassfail
  • AA: use #4579b0 as the text (4.55:1)
  • AAA: use #335a84 as the text (7.15:1)
  • AA: or shift the background to #212121 (4.51:1)
Aaon black
5.88:1passpassfail
  • AAA: use #709ac7 as the text (7.14:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #5a8bbf as the background.

Brands using this color

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

Fonts for this mood

#5a8bbf reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #5a8bbf
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 #5a8bbf and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/5a8bbf-9cabc4-df534e-1f202d-e9f1f1?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