Color

#2565cb

#2565cb
hex#2565cb
rgbrgb(37, 101, 203)
hslhsl(217, 69%, 47%)
oklchoklch(0.525 0.171 259.7)
Closest name: God of Rain (#4466cc)Relative luminance 0.1401

Colors that go with #2565cb

Charcoal, Crimson and Sienna 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 →

#cb8b25

#25b7cb · #3825cb

#cb2565 · #65cb25

Split-complementary

Open in tool →

#cb3825 · #b7cb25

#cb25b7 · #cb8b25 · #25cb38

Contrast

#2565cb as textRatioAAAA largeAAAFix
Aaon white
5.52:1passpassfail
  • AAA: use #2056ac as the text (7.03:1)
Aaon black
3.8:1failpassfail
  • AA: use #3474da as the text (4.66:1)
  • AAA: use #6897e3 as the text (7.12:1)
  • AA: or shift the background to #e8e8e8 (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 #2565cb as the background.

Brands using this color

Fonts for this mood

#2565cb reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2565cb
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 #2565cb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2565cb-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