Color

#5b8bbe

#5b8bbe
hex#5b8bbe
rgbrgb(91, 139, 190)
hslhsl(211, 43%, 55%)
oklchoklch(0.624 0.094 250.9)
Closest name: steelblue (#4682b4)Relative luminance 0.2441

Colors that go with #5b8bbe

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 →

#be8e5b

#5bbcbe · #5d5bbe

#be5b8b · #8bbe5b

Split-complementary

Open in tool →

#be5d5b · #bcbe5b

#be5bbc · #be8e5b · #5bbe5d

Contrast

#5b8bbe as textRatioAAAA largeAAAFix
Aaon white
3.57:1failpassfail
  • AA: use #4679af as the text (4.55:1)
  • AAA: use #345a83 as the text (7.15:1)
  • AA: or shift the background to #212121 (4.51:1)
Aaon black
5.88:1passpassfail
  • AAA: use #719ac6 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 #5b8bbe 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

#5b8bbe reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #5b8bbe
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 #5b8bbe and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/5b8bbe-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