Color

#2a3ed5

#2a3ed5
hex#2a3ed5
rgbrgb(42, 62, 213)
hslhsl(233, 67%, 50%)
oklchoklch(0.463 0.228 268.6)
Closest name: Lapis on Neptune (#1f22d2)Relative luminance 0.0874

Colors that go with #2a3ed5

Charcoal, Sea Green 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 →

#d5c12a

#2a93d5 · #6c2ad5

#d52a3e · #3ed52a

Split-complementary

Open in tool →

#d56c2a · #93d52a

#d52a93 · #d5c12a · #2ad56c

Contrast

#2a3ed5 as textRatioAAAA largeAAAFix
Aaon white
7.64:1passpasspassPasses AAA — no fix needed.
Aaon black
2.75:1failfailfail
  • AA: use #5d6cdf as the text (4.68:1)
  • AAA: use #848fe7 as the text (7.06:1)
  • AA: or shift the background to #c7c7c7 (4.52:1)
  • AAA: or shift the background to #f5f5f5 (7.01:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2a3ed5 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

#2a3ed5 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2a3ed5
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 #2a3ed5 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2a3ed5-9c9cc4-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