Color

#2670df

#2670df
hex#2670df
rgbrgb(38, 112, 223)
hslhsl(216, 74%, 51%)
oklchoklch(0.563 0.184 259)
Closest name: Royal Blue (#4169e1)Relative luminance 0.1733

Colors that go with #2670df

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 →

#df9526

#26ccdf · #3826df

#df2670 · #70df26

Split-complementary

Open in tool →

#df3826 · #ccdf26

#df26cc · #df9526 · #26df38

Contrast

#2670df as textRatioAAAA largeAAAFix
Aaon white
4.7:1passpassfail
  • AAA: use #1a55ad as the text (7.13:1)
Aaon black
4.47:1failpassfail
  • AA: use #2a72df as the text (4.57:1)
  • AAA: use #5f96e7 as the text (7:1)
  • AA: or shift the background to #fafafa (4.51:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2670df as the background.

Brands using this color

Fonts for this mood

#2670df reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2670df
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 #2670df and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2670df-9ca7c4-df5f4e-201f2d-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