Color

#1d35ed

#1d35ed
hex#1d35ed
rgbrgb(29, 53, 237)
hslhsl(233, 85%, 52%)
oklchoklch(0.471 0.267 266.5)
Closest name: Bluebonnet (#1c1cf0)Relative luminance 0.0892

Colors that go with #1d35ed

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 →

#edd41d

#1d9ded · #6c1ded

#ed1d35 · #35ed1d

Split-complementary

Open in tool →

#ed6c1d · #9ded1d

#ed1d9d · #edd41d · #1ded6c

Contrast

#1d35ed as textRatioAAAA largeAAAFix
Aaon white
7.54:1passpasspassPasses AAA — no fix needed.
Aaon black
2.78:1failfailfail
  • AA: use #5567f1 as the text (4.6:1)
  • AAA: use #808df5 as the text (7.05:1)
  • AA: or shift the background to #c9c9c9 (4.55:1)
  • AAA: or shift the background to #f7f7f7 (7.04:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #1d35ed as the background.

Brands using this color

Fonts for this mood

#1d35ed reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1d35ed
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 #1d35ed and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1d35ed-9c9cc4-df884e-241f2d-e9eef1?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