Color

#4587de

#4587de
hex#4587de
rgbrgb(69, 135, 222)
hslhsl(214, 70%, 57%)
oklchoklch(0.622 0.148 256.2)
Closest name: Blue Jay (#5588dd)Relative luminance 0.2387

Colors that go with #4587de

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 →

#de9c45

#45d4de · #4f45de

#de4587 · #87de45

Split-complementary

Open in tool →

#de4f45 · #d4de45

#de45d4 · #de9c45 · #45de4f

Contrast

#4587de as textRatioAAAA largeAAAFix
Aaon white
3.64:1failpassfail
  • AA: use #2674d9 as the text (4.58:1)
  • AAA: use #1d58a5 as the text (7.02:1)
  • AA: or shift the background to #1f1f1f (4.53:1)
Aaon black
5.77:1passpassfail
  • AAA: use #5f98e3 as the text (7.09:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #4587de 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

#4587de reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #4587de
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 #4587de and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4587de-9ca9c4-df5a4e-1f1f2d-e9f0f1?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