Color

#5b7ea4

#5b7ea4
hex#5b7ea4
rgbrgb(91, 126, 164)
hslhsl(211, 29%, 50%)
oklchoklch(0.582 0.071 251.1)
Closest name: Bay View (#6a819e)Relative luminance 0.1983

Colors that go with #5b7ea4

Charcoal, Copper and Sea Green 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 →

#a4815b

#5ba3a4 · #5c5ba4

#a45b7e · #7ea45b

Split-complementary

Open in tool →

#a45c5b · #a3a45b

#a45ba3 · #a4815b · #5ba45c

Contrast

#5b7ea4 as textRatioAAAA largeAAAFix
Aaon white
4.23:1failpassfail
  • AA: use #57799e as the text (4.53:1)
  • AAA: use #415b76 as the text (7.04:1)
  • AA: or shift the background to #0f0f0f (4.53:1)
Aaon black
4.97:1passpassfail
  • AAA: use #7b98b7 as the text (7.02:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #5b7ea4 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 #5b7ea4
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 #5b7ea4 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/5b7ea4-9cabc4-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