Color

#2b1f4d

#2b1f4d
hex#2b1f4d
rgbrgb(43, 31, 77)
hslhsl(256, 43%, 21%)
oklchoklch(0.28 0.082 292.4)
Closest name: Azulado (#211d49)Relative luminance 0.0203

Tints & shades

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

Harmonies

Complementary

Open in tool →

#404d1f

#1f294d · #421f4d

#4d2b1f · #1f4d2b

Split-complementary

Open in tool →

#4d421f · #294d1f

#4d1f29 · #404d1f · #1f4d42

Contrast

#2b1f4d as textRatioAAAA largeAAAFix
Aaon white
14.94:1passpasspassPasses AAA — no fix needed.
Aaon black
1.41:1failfailfail
  • AA: use #7e66c2 as the text (4.57:1)
  • AAA: use #a08ed2 as the text (7.29:1)
  • AA: or shift the background to #8f8f8f (4.62:1)
  • AAA: or shift the background to #b3b3b3 (7.12:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2b1f4d 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

#2b1f4d reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2b1f4d
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 #2b1f4d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2b1f4d-ab9cc4-dfbf4e-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