Color

#280f76

#280f76
hex#280f76
rgbrgb(40, 15, 118)
hslhsl(255, 77%, 26%)
oklchoklch(0.294 0.157 282)
Closest name: Child of the Night (#220077)Relative luminance 0.021

Tints & shades

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

Harmonies

Complementary

Open in tool →

#5c750f

#0f2975 · #5c0f75

#75290f · #0f7529

Split-complementary

Open in tool →

#755c0f · #29750f

#750f29 · #5c750f · #0f755c

Contrast

#280f76 as textRatioAAAA largeAAAFix
Aaon white
14.79:1passpasspassPasses AAA — no fix needed.
Aaon black
1.42:1failfailfail
  • AA: use #805dea as the text (4.67:1)
  • AAA: use #a085ef as the text (7.1:1)
  • AA: or shift the background to #8f8f8f (4.57:1)
  • AAA: or shift the background to #b3b3b3 (7.05:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #280f76 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

#280f76 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #280f76
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 #280f76 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/280f76-ab9cc4-dfbd4e-291f2d-e9ebf1?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