Color

#281a42

#281a42
hex#281a42
rgbrgb(40, 26, 66)
hslhsl(261, 43%, 18%)
oklchoklch(0.258 0.073 297.2)
Closest name: Azulado (#211d49)Relative luminance 0.0158

Tints & shades

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

Harmonies

Complementary

Open in tool →

#34421a

#1a2042 · #3c1a42

#42281a · #1a4228

Split-complementary

Open in tool →

#423c1a · #20421a

#421a20 · #34421a · #1a423c

Contrast

#281a42 as textRatioAAAA largeAAAFix
Aaon white
15.95:1passpasspassPasses AAA — no fix needed.
Aaon black
1.32:1failfailfail
  • AA: use #8666c2 as the text (4.69:1)
  • AAA: use #a38ad0 as the text (7.1:1)
  • AA: or shift the background to #8a8a8a (4.62:1)
  • AAA: or shift the background to #adadad (7.11:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #281a42 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

#281a42 reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #281a42
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 #281a42 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/281a42-af9cc4-dfcb4e-2a1f2d-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