Color

#4585ba

#4585ba
hex#4585ba
rgbrgb(69, 133, 186)
hslhsl(207, 46%, 50%)
oklchoklch(0.598 0.105 245.8)
Closest name: steelblue (#4682b4)Relative luminance 0.2159

Colors that go with #4585ba

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 →

#ba7a45

#45bab4 · #454bba

#ba4585 · #85ba45

Split-complementary

Open in tool →

#ba454b · #bab445

#b445ba · #ba7a45 · #4bba45

Contrast

#4585ba as textRatioAAAA largeAAAFix
Aaon white
3.95:1failpassfail
  • AA: use #3f7bab as the text (4.53:1)
  • AAA: use #2f5b7f as the text (7.18:1)
  • AA: or shift the background to #171717 (4.54:1)
Aaon black
5.32:1passpassfail
  • AAA: use #669bc7 as the text (7.08:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #4585ba 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

#4585ba reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #4585ba
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 #4585ba and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4585ba-9cadc4-df4e53-1f212d-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