Color

#1868aa

#1868aa
hex#1868aa
rgbrgb(24, 104, 170)
hslhsl(207, 75%, 38%)
oklchoklch(0.506 0.128 249.1)
Closest name: Brilliant Blue (#0075b3)Relative luminance 0.13

Colors that go with #1868aa

Charcoal, Crimson and Sienna 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 →

#aa5a18

#18aaa2 · #181faa

#aa1868 · #68aa18

Split-complementary

Open in tool →

#aa181f · #aaa218

#a218aa · #aa5a18 · #1faa18

Contrast

#1868aa as textRatioAAAA largeAAAFix
Aaon white
5.83:1passpassfail
  • AAA: use #155a93 as the text (7.2:1)
Aaon black
3.6:1failpassfail
  • AA: use #1c79c4 as the text (4.58:1)
  • AAA: use #449ce4 as the text (7.12:1)
  • AA: or shift the background to #e3e3e3 (4.55:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #1868aa as the background.

Brands using this color

Fonts for this mood

#1868aa reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1868aa
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 #1868aa and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1868aa-9cadc4-df4e53-1f212d-e9f1f1?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