Color

#1874aa

#1874aa
hex#1874aa
rgbrgb(24, 116, 170)
hslhsl(202, 75%, 38%)
oklchoklch(0.535 0.117 241.2)
Closest name: Brilliant Blue (#0075b3)Relative luminance 0.1559

Colors that go with #1874aa

Charcoal, Amber 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 →

#aa4e18

#18aa96 · #182caa

#aa1874 · #74aa18

Split-complementary

Open in tool →

#aa182c · #aa9618

#9618aa · #aa4e18 · #2caa18

Contrast

#1874aa as textRatioAAAA largeAAAFix
Aaon white
5.1:1passpassfail
  • AAA: use #135c86 as the text (7.23:1)
Aaon black
4.12:1failpassfail
  • AA: use #1a7db7 as the text (4.66:1)
  • AAA: use #2d9fe1 as the text (7.16:1)
  • AA: or shift the background to #f2f2f2 (4.56:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #1874aa as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#1874aa reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1874aa
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 #1874aa and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1874aa-9cb1c4-df4e5f-1f222d-e9f1f0?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