Color

#2828d7

#2828d7
hex#2828d7
rgbrgb(40, 40, 215)
hslhsl(240, 69%, 50%)
oklchoklch(0.435 0.25 269.6)
Closest name: Lapis on Neptune (#1f22d2)Relative luminance 0.0687

Colors that go with #2828d7

Charcoal, Cornflower Blue and Crimson 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 →

#d7d728

#2880d7 · #8028d7

#d72828 · #28d728

Split-complementary

Open in tool →

#d78028 · #80d728

#d72880 · #d7d728 · #28d780

Contrast

#2828d7 as textRatioAAAA largeAAAFix
Aaon white
8.84:1passpasspassPasses AAA — no fix needed.
Aaon black
2.37:1failfailfail
  • AA: use #6868e3 as the text (4.68:1)
  • AAA: use #8f8fea as the text (7.29:1)
  • AA: or shift the background to #bababa (4.56:1)
  • AAA: or shift the background to #e6e6e6 (7.08:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2828d7 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

#2828d7 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2828d7
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 #2828d7 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2828d7-a19cc4-df994e-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