Color

#266ccf

#266ccf
hex#266ccf
rgbrgb(38, 108, 207)
hslhsl(215, 69%, 48%)
oklchoklch(0.543 0.168 258.1)
Closest name: God of Rain (#4466cc)Relative luminance 0.1564

Colors that go with #266ccf

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 →

#cf8826

#26c1cf · #3426cf

#cf266c · #6ccf26

Split-complementary

Open in tool →

#cf3426 · #c1cf26

#cf26c1 · #cf8826 · #26cf34

Contrast

#266ccf as textRatioAAAA largeAAAFix
Aaon white
5.09:1passpassfail
  • AAA: use #1e56a4 as the text (7.19:1)
Aaon black
4.13:1failpassfail
  • AA: use #2c74d8 as the text (4.6:1)
  • AAA: use #6499e3 as the text (7.21:1)
  • AA: or shift the background to #f2f2f2 (4.54:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #266ccf as the background.

Brands using this color

Fonts for this mood

#266ccf reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #266ccf
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 #266ccf and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/266ccf-9ca8c4-df5d4e-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