Color

#280e48

#280e48
hex#280e48
rgbrgb(40, 14, 72)
hslhsl(267, 67%, 17%)
oklchoklch(0.243 0.101 299.1)
Closest name: Your Darkness (#220044)Relative luminance 0.0123

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#2e480e

#0e1148 · #450e48

#48280e · #0e4828

Split-complementary

Open in tool →

#48450e · #11480e

#480e11 · #2e480e · #0e4845

Contrast

#280e48 as textRatioAAAA largeAAAFix
Aaon white
16.85:1passpasspassPasses AAA — no fix needed.
Aaon black
1.25:1failfailfail
  • AA: use #9255dd as the text (4.57:1)
  • AAA: use #b084e7 as the text (7.3:1)
  • AA: or shift the background to #858585 (4.57:1)
  • AAA: or shift the background to #a8a8a8 (7.08:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #280e48 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

#280e48 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #280e48
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #280e48 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/280e48-b39cc4-dfda4e-2c1f2d-e9eaf1?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