Color

#284181

#284181
hex#284181
rgbrgb(40, 65, 129)
hslhsl(223, 53%, 33%)
oklchoklch(0.392 0.112 265.5)
Closest name: Evening Magic (#363e7d)Relative luminance 0.0582

Colors that go with #284181

Steel Blue, Blue and Cornflower 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 →

#816728

#286d81 · #3b2881

#812841 · #418128

Split-complementary

Open in tool →

#813b28 · #6d8128

#81286d · #816728 · #28813b

Contrast

#284181 as textRatioAAAA largeAAAFix
Aaon white
9.71:1passpasspassPasses AAA — no fix needed.
Aaon black
2.16:1failfailfail
  • AA: use #4f72c9 as the text (4.58:1)
  • AAA: use #7a94d6 as the text (7.03:1)
  • AA: or shift the background to #b3b3b3 (4.63:1)
  • AAA: or shift the background to #dbdbdb (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 #284181 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

#284181 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #284181
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 #284181 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/284181-9ca3c4-df704e-211f2d-e9eff1?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