Color

#283281

#283281
hex#283281
rgbrgb(40, 50, 129)
hslhsl(233, 53%, 33%)
oklchoklch(0.36 0.132 272.4)
Closest name: Deep Space Royal (#223382)Relative luminance 0.0432

Colors that go with #283281

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 →

#817628

#285f81 · #4a2881

#812832 · #328128

Split-complementary

Open in tool →

#814a28 · #5f8128

#81285f · #817628 · #28814a

Contrast

#283281 as textRatioAAAA largeAAAFix
Aaon white
11.27:1passpasspassPasses AAA — no fix needed.
Aaon black
1.86:1failfailfail
  • AA: use #5f6cce as the text (4.52:1)
  • AAA: use #8690da as the text (7.02:1)
  • AA: or shift the background to #a6a6a6 (4.63:1)
  • AAA: or shift the background to #cccccc (7.02:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #283281 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

#283281 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #283281
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 #283281 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/283281-9c9cc4-df884e-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