Color

#1e2ca9

#1e2ca9
hex#1e2ca9
rgbrgb(30, 44, 169)
hslhsl(234, 70%, 39%)
oklchoklch(0.384 0.196 268.7)
Closest name: Blue Hour (#0034ab)Relative luminance 0.0494

Colors that go with #1e2ca9

Charcoal, Steel Blue and 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 →

#a99b1e

#1e71a9 · #561ea9

#a91e2c · #2ca91e

Split-complementary

Open in tool →

#a9561e · #71a91e

#a91e71 · #a99b1e · #1ea956

Contrast

#1e2ca9 as textRatioAAAA largeAAAFix
Aaon white
10.56:1passpasspassPasses AAA — no fix needed.
Aaon black
1.99:1failfailfail
  • AA: use #5a68e2 as the text (4.51:1)
  • AAA: use #8690ea as the text (7.19:1)
  • AA: or shift the background to #ababab (4.6:1)
  • AAA: or shift the background to #d4d4d4 (7.13:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #1e2ca9 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

#1e2ca9 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1e2ca9
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 #1e2ca9 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1e2ca9-9d9cc4-df8a4e-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