Color

#215ade

#215ade
hex#215ade
rgbrgb(33, 90, 222)
hslhsl(222, 74%, 50%)
oklchoklch(0.517 0.21 263.3)
Closest name: Bluetiful (#3c69e7)Relative luminance 0.1291

Colors that go with #215ade

Charcoal, Amber and Blue 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 →

#dea521

#21b8de · #4721de

#de215a · #5ade21

Split-complementary

Open in tool →

#de4721 · #b8de21

#de21b8 · #dea521 · #21de47

Contrast

#215ade as textRatioAAAA largeAAAFix
Aaon white
5.86:1passpassfail
  • AAA: use #1d4fc3 as the text (7.1:1)
Aaon black
3.58:1failpassfail
  • AA: use #3c6ee2 as the text (4.52:1)
  • AAA: use #7195ea as the text (7.19:1)
  • AA: or shift the background to #e3e3e3 (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 #215ade as the background.

Brands using this color

Fonts for this mood

#215ade reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #215ade
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 #215ade and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/215ade-9ca3c4-df6e4e-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