Color

#5b6ab3

#5b6ab3
hex#5b6ab3
rgbrgb(91, 106, 179)
hslhsl(230, 37%, 53%)
oklchoklch(0.546 0.115 273.3)
Closest name: Loch Ness (#5f6db0)Relative luminance 0.1579

Colors that go with #5b6ab3

Charcoal, Sea Green 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 →

#b3a55b

#5b96b3 · #785bb3

#b35b6a · #6ab35b

Split-complementary

Open in tool →

#b3785b · #96b35b

#b35b96 · #b3a55b · #5bb378

Contrast

#5b6ab3 as textRatioAAAA largeAAAFix
Aaon white
5.05:1passpassfail
  • AAA: use #455396 as the text (7.17:1)
Aaon black
4.16:1failpassfail
  • AA: use #6270b7 as the text (4.52:1)
  • AAA: use #8893c8 as the text (7.05:1)
  • AA: or shift the background to #f2f2f2 (4.51:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #5b6ab3 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

#5b6ab3 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #5b6ab3
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 #5b6ab3 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/5b6ab3-9c9ec4-df814e-231f2d-e9eef1?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