Color

#217aed

#217aed
hex#217aed
rgbrgb(33, 122, 237)
hslhsl(214, 85%, 53%)
oklchoklch(0.593 0.192 257.3)
Closest name: Azure (#007fff)Relative luminance 0.2036

Colors that go with #217aed

Charcoal, Crimson and Copper 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 →

#ed9521

#21dfed · #2f21ed

#ed217a · #7aed21

Split-complementary

Open in tool →

#ed2f21 · #dfed21

#ed21df · #ed9521 · #21ed2f

Contrast

#217aed as textRatioAAAA largeAAAFix
Aaon white
4.14:1failpassfail
  • AA: use #1371ec as the text (4.56:1)
  • AAA: use #0e54af as the text (7.23:1)
  • AA: or shift the background to #121212 (4.52:1)
Aaon black
5.07:1passpassfail
  • AAA: use #5599f1 as the text (7.21:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #217aed as the background.

Brands using this color

Fonts for this mood

#217aed reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #217aed
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 #217aed and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/217aed-9ca9c4-df5a4e-1f1f2d-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