Color

#265cd9

#265cd9
hex#265cd9
rgbrgb(38, 92, 217)
hslhsl(222, 70%, 50%)
oklchoklch(0.518 0.2 263.4)
Closest name: Royal Blue (#4169e1)Relative luminance 0.1308

Colors that go with #265cd9

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 →

#d9a326

#26b5d9 · #4a26d9

#d9265c · #5cd926

Split-complementary

Open in tool →

#d94a26 · #b5d926

#d926b5 · #d9a326 · #26d94a

Contrast

#265cd9 as textRatioAAAA largeAAAFix
Aaon white
5.81:1passpassfail
  • AAA: use #2251bf as the text (7.01:1)
Aaon black
3.62:1failpassfail
  • AA: use #406fdd as the text (4.54:1)
  • AAA: use #7093e6 as the text (7.01:1)
  • AA: or shift the background to #e3e3e3 (4.53:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #265cd9 as the background.

Brands using this color

Fonts for this mood

#265cd9 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #265cd9
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 #265cd9 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/265cd9-9ca3c4-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