Color

#2b70de

#2b70de
hex#2b70de
rgbrgb(43, 112, 222)
hslhsl(217, 73%, 52%)
oklchoklch(0.564 0.182 259.6)
Closest name: Royal Blue (#4169e1)Relative luminance 0.1738

Colors that go with #2b70de

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 →

#de992b

#2bc9de · #402bde

#de2b70 · #70de2b

Split-complementary

Open in tool →

#de402b · #c9de2b

#de2bc9 · #de992b · #2bde40

Contrast

#2b70de as textRatioAAAA largeAAAFix
Aaon white
4.69:1passpassfail
  • AAA: use #1c55b0 as the text (7.06:1)
Aaon black
4.48:1failpassfail
  • AA: use #3073df as the text (4.64:1)
  • AAA: use #6597e7 as the text (7.13:1)
  • AA: or shift the background to #fcfcfc (4.57:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2b70de as the background.

Brands using this color

Fonts for this mood

#2b70de reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2b70de
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 #2b70de and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2b70de-9ca7c4-df624e-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