Color

#266efd

#266efd
hex#266efd
rgbrgb(38, 110, 253)
hslhsl(220, 98%, 57%)
oklchoklch(0.582 0.225 262.1)
Closest name: Bluerocratic (#1f66ff)Relative luminance 0.1866

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#fdb526

#26d9fd · #4a26fd

#fd266e · #6efd26

Split-complementary

Open in tool →

#fd4a26 · #d9fd26

#fd26d9 · #fdb526 · #26fd4a

Contrast

#266efd as textRatioAAAA largeAAAFix
Aaon white
4.44:1failpassfail
  • AA: use #216afd as the text (4.62:1)
  • AAA: use #024ad9 as the text (7.04:1)
  • AA: or shift the background to #080808 (4.51:1)
Aaon black
4.73:1passpassfail
  • AAA: use #5d93fd as the text (7.06:1)

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

Brands using this color

Fonts for this mood

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

mcpConnect your agent — build around #266efd
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #266efd and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/266efd-9ca5c4-df694e-211f2d-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