Color

#280330

#280330
hex#280330
rgbrgb(40, 3, 48)
hslhsl(289, 88%, 10%)
oklchoklch(0.206 0.09 319.9)
Closest name: Coal Mine (#220033)Relative luminance 0.0073

Tints & shades

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

Harmonies

Complementary

Open in tool →

#0b3003

#110330 · #300322

#302803 · #033028

Split-complementary

Open in tool →

#223003 · #033011

#301103 · #0b3003 · #032230

Contrast

#280330 as textRatioAAAA largeAAAFix
Aaon white
18.33:1passpasspassPasses AAA — no fix needed.
Aaon black
1.15:1failfailfail
  • AA: use #c30feb as the text (4.59:1)
  • AAA: use #da61f5 as the text (7.01:1)
  • AA: or shift the background to #808080 (4.64:1)
  • AAA: or shift the background to #a1a1a1 (7.09:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #280330 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

#280330 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #280330
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 #280330 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/280330-be9fc1-a8cb62-2d1f2a-ece9f1?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