Color

#261dd3

#261dd3
hex#261dd3
rgbrgb(38, 29, 211)
hslhsl(243, 76%, 47%)
oklchoklch(0.419 0.253 269.7)
Closest name: Lapis on Neptune (#1f22d2)Relative luminance 0.0599

Colors that go with #261dd3

Charcoal, Crimson 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 →

#cad31d

#1d6fd3 · #811dd3

#d3261d · #1dd326

Split-complementary

Open in tool →

#d3811d · #6fd31d

#d31d6f · #cad31d · #1dd381

Contrast

#261dd3 as textRatioAAAA largeAAAFix
Aaon white
9.55:1passpasspassPasses AAA — no fix needed.
Aaon black
2.2:1failfailfail
  • AA: use #6962ea as the text (4.54:1)
  • AAA: use #8f8aef as the text (7.05:1)
  • AA: or shift the background to #b3b3b3 (4.56:1)
  • AAA: or shift the background to #dedede (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 #261dd3 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

#261dd3 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #261dd3
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 #261dd3 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/261dd3-a39cc4-dfa04e-261f2d-e9edf1?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