Color

#280d35

#280d35
hex#280d35
rgbrgb(40, 13, 53)
hslhsl(281, 61%, 13%)
oklchoklch(0.225 0.078 312.9)
Closest name: Dark Prom Queen (#2b0f2e)Relative luminance 0.01

Colors that go with #280d35

Charcoal, Sea Green and Sienna 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 →

#1a350d

#140d35 · #350d2e

#35290d · #0d3529

Split-complementary

Open in tool →

#2e350d · #0d3514

#35140d · #1a350d · #0d2e35

Contrast

#280d35 as textRatioAAAA largeAAAFix
Aaon white
17.51:1passpasspassPasses AAA — no fix needed.
Aaon black
1.2:1failfailfail
  • AA: use #a84ad3 as the text (4.59:1)
  • AAA: use #c07cdf as the text (7.19:1)
  • AA: or shift the background to #828282 (4.56:1)
  • AAA: or shift the background to #a6a6a6 (7.19:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #280d35 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

#280d35 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #280d35
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 #280d35 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/280d35-ba9fc1-b6cb62-2d1f2c-ebe9f1?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