Color

#3b26fd

#3b26fd
hex#3b26fd
rgbrgb(59, 38, 253)
hslhsl(246, 98%, 57%)
oklchoklch(0.487 0.287 272.1)
Closest name: Blustering Blue (#4411ff)Relative luminance 0.0941

Colors that go with #3b26fd

Charcoal, Cobalt Blue and Cornflower 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 →

#e7fd26

#267cfd · #a726fd

#fd3b26 · #26fd3b

Split-complementary

Open in tool →

#fda726 · #7cfd26

#fd267c · #e7fd26 · #26fda7

Contrast

#3b26fd as textRatioAAAA largeAAAFix
Aaon white
7.29:1passpasspassPasses AAA — no fix needed.
Aaon black
2.88:1failfailfail
  • AA: use #6d5dfd as the text (4.63:1)
  • AAA: use #9286fe as the text (7.06:1)
  • AA: or shift the background to #cccccc (4.54:1)
  • AAA: or shift the background to #fcfcfc (7.1:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3b26fd as the background.

Brands using this color

Fonts for this mood

#3b26fd reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3b26fd
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 #3b26fd and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3b26fd-a59cc4-dfa74e-271f2d-e9ecf1?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