Color

#271c40

#271c40
hex#271c40
rgbrgb(39, 28, 64)
hslhsl(258, 39%, 18%)
oklchoklch(0.26 0.066 295.5)
Closest name: Black Market (#222244)Relative luminance 0.0163

Tints & shades

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

Harmonies

Complementary

Open in tool →

#35401c

#1c2340 · #391c40

#40271c · #1c4027

Split-complementary

Open in tool →

#40391c · #23401c

#401c23 · #35401c · #1c4039

Contrast

#271c40 as textRatioAAAA largeAAAFix
Aaon white
15.83:1passpasspassPasses AAA — no fix needed.
Aaon black
1.33:1failfailfail
  • AA: use #8067bc as the text (4.58:1)
  • AAA: use #a18ecd as the text (7.27:1)
  • AA: or shift the background to #8a8a8a (4.59:1)
  • AAA: or shift the background to #adadad (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 #271c40 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

#271c40 reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #271c40
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 #271c40 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/271c40-ad9cc4-dfc44e-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