Color

#4b70be

#4b70be
hex#4b70be
rgbrgb(75, 112, 190)
hslhsl(221, 47%, 52%)
oklchoklch(0.555 0.129 263.6)
Closest name: Campanula (#3473b7)Relative luminance 0.168

Colors that go with #4b70be

Charcoal, Sea Green 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 →

#be9a4b

#4ba9be · #604bbe

#be4b70 · #70be4b

Split-complementary

Open in tool →

#be604b · #a9be4b

#be4ba9 · #be9a4b · #4bbe60

Contrast

#4b70be as textRatioAAAA largeAAAFix
Aaon white
4.82:1passpassfail
  • AAA: use #37579a as the text (7.02:1)
Aaon black
4.36:1failpassfail
  • AA: use #5375c1 as the text (4.68:1)
  • AAA: use #7c96d0 as the text (7.13:1)
  • AA: or shift the background to #fafafa (4.61:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #4b70be 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

#4b70be reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #4b70be
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 #4b70be and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4b70be-9ca4c4-df6b4e-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