Color

#280d44

#280d44
hex#280d44
rgbrgb(40, 13, 68)
hslhsl(269, 68%, 16%)
oklchoklch(0.238 0.097 301.7)
Closest name: Your Darkness (#220044)Relative luminance 0.0116

Colors that go with #280d44

Charcoal, Royal Blue and Sea Green 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 →

#2a450d

#0d0e45 · #440d45

#45280d · #0d4528

Split-complementary

Open in tool →

#45440d · #0e450d

#450d0e · #2a450d · #0d4544

Contrast

#280d44 as textRatioAAAA largeAAAFix
Aaon white
17.06:1passpasspassPasses AAA — no fix needed.
Aaon black
1.23:1failfailfail
  • AA: use #9754de as the text (4.64:1)
  • AAA: use #b17ee7 as the text (7.01:1)
  • AA: or shift the background to #858585 (4.62:1)
  • AAA: or shift the background to #a6a6a6 (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 #280d44 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

#280d44 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #280d44
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 #280d44 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/280d44-b49cc4-cbcb62-2c1f2d-e9e9f1?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