Color

#2a2dcf

#2a2dcf
hex#2a2dcf
rgbrgb(42, 45, 207)
hslhsl(239, 66%, 49%)
oklchoklch(0.433 0.237 270.2)
Closest name: Lapis on Neptune (#1f22d2)Relative luminance 0.0687

Colors that go with #2a2dcf

Charcoal, Sea Green and Steel 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 →

#cfcd2a

#2a80cf · #7a2acf

#cf2a2d · #2dcf2a

Split-complementary

Open in tool →

#cf7a2a · #80cf2a

#cf2a80 · #cfcd2a · #2acf7a

Contrast

#2a2dcf as textRatioAAAA largeAAAFix
Aaon white
8.84:1passpasspassPasses AAA — no fix needed.
Aaon black
2.37:1failfailfail
  • AA: use #6769e0 as the text (4.67:1)
  • AAA: use #8d8ee8 as the text (7.17:1)
  • AA: or shift the background to #bababa (4.56:1)
  • AAA: or shift the background to #e6e6e6 (7.09:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2a2dcf as the background.

Brands using this color

Fonts for this mood

#2a2dcf reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2a2dcf
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 #2a2dcf and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2a2dcf-a09cc4-df964e-251f2d-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