Color

#281d49

#281d49
hex#281d49
rgbrgb(40, 29, 73)
hslhsl(255, 43%, 20%)
oklchoklch(0.27 0.079 291.8)
Closest name: Azulado (#211d49)Relative luminance 0.0181

Tints & shades

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

Harmonies

Complementary

Open in tool →

#3e491d

#1d2849 · #3e1d49

#49281d · #1d4928

Split-complementary

Open in tool →

#493e1d · #28491d

#491d28 · #3e491d · #1d493e

Contrast

#281d49 as textRatioAAAA largeAAAFix
Aaon white
15.42:1passpasspassPasses AAA — no fix needed.
Aaon black
1.36:1failfailfail
  • AA: use #7d66c2 as the text (4.55:1)
  • AAA: use #9f8ed2 as the text (7.27:1)
  • AA: or shift the background to #8c8c8c (4.58:1)
  • AAA: or shift the background to #b0b0b0 (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 #281d49 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Palettes built around it

Fonts for this mood

#281d49 reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #281d49
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 #281d49 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/281d49-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