Color

#4a7de3

#4a7de3
hex#4a7de3
rgbrgb(74, 125, 227)
hslhsl(220, 73%, 59%)
oklchoklch(0.606 0.164 262.6)
Closest name: Blue Öyster Cult (#5577ee)Relative luminance 0.2167

Colors that go with #4a7de3

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 →

#e3b04a

#4ac9e3 · #644ae3

#e34a7d · #7de34a

Split-complementary

Open in tool →

#e3644a · #c9e34a

#e34ac9 · #e3b04a · #4ae364

Contrast

#4a7de3 as textRatioAAAA largeAAAFix
Aaon white
3.94:1failpassfail
  • AA: use #3870e0 as the text (4.6:1)
  • AAA: use #1d51b9 as the text (7.17:1)
  • AA: or shift the background to #171717 (4.55:1)
Aaon black
5.33:1passpassfail
  • AAA: use #6d96e8 as the text (7.18:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #4a7de3 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

#4a7de3 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #4a7de3
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 #4a7de3 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4a7de3-9ca5c4-df694e-211f2d-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