Color

#4d7bef

#4d7bef
hex#4d7bef
rgbrgb(77, 123, 239)
hslhsl(223, 84%, 62%)
oklchoklch(0.611 0.182 265.2)
Closest name: Blue Öyster Cult (#5577ee)Relative luminance 0.2198

Colors that go with #4d7bef

Charcoal, Crimson 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 →

#efc14d

#4dccef · #704def

#ef4d7b · #7bef4d

Split-complementary

Open in tool →

#ef704d · #ccef4d

#ef4dcc · #efc14d · #4def70

Contrast

#4d7bef as textRatioAAAA largeAAAFix
Aaon white
3.89:1failpassfail
  • AA: use #3a6dee as the text (4.56:1)
  • AAA: use #1249d3 as the text (7.19:1)
  • AA: or shift the background to #171717 (4.61:1)
Aaon black
5.4:1passpassfail
  • AAA: use #6e93f2 as the text (7.12:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #4d7bef 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

#4d7bef reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #4d7bef
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 #4d7bef and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4d7bef-9ca3c4-df704e-211f2d-e9eff1?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