Color

#284171

#284171
hex#284171
rgbrgb(40, 65, 113)
hslhsl(219, 48%, 30%)
oklchoklch(0.381 0.088 262.3)
Closest name: Blue Funk (#2d4470)Relative luminance 0.0542

Colors that go with #284171

Teal, Blue and Cadet 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 →

#715828

#286671 · #332871

#712841 · #417128

Split-complementary

Open in tool →

#713328 · #667128

#712866 · #715828 · #287133

Contrast

#284171 as textRatioAAAA largeAAAFix
Aaon white
10.07:1passpasspassPasses AAA — no fix needed.
Aaon black
2.08:1failfailfail
  • AA: use #4e76c1 as the text (4.69:1)
  • AAA: use #7796cf as the text (7.05:1)
  • AA: or shift the background to #b0b0b0 (4.64:1)
  • AAA: or shift the background to #d9d9d9 (7.14:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #284171 as the background.

Brands using this color

Fonts for this mood

#284171 reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #284171
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 #284171 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/284171-9ca5c4-df664e-211f2d-e9f0f1?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