Color

#271e43

#271e43
hex#271e43
rgbrgb(39, 30, 67)
hslhsl(255, 38%, 19%)
oklchoklch(0.266 0.067 292.4)
Closest name: Midnight Velvet (#2a2243)Relative luminance 0.0177

Tints & shades

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

Harmonies

Complementary

Open in tool →

#3a431e

#1e2743 · #3a1e43

#43271e · #1e4327

Split-complementary

Open in tool →

#433a1e · #27431e

#431e27 · #3a431e · #1e433a

Contrast

#271e43 as textRatioAAAA largeAAAFix
Aaon white
15.52:1passpasspassPasses AAA — no fix needed.
Aaon black
1.35:1failfailfail
  • AA: use #7d68bb as the text (4.57:1)
  • AAA: use #9e8ecc as the text (7.19:1)
  • AA: or shift the background to #8c8c8c (4.62:1)
  • AAA: or shift the background to #b0b0b0 (7.16:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #271e43 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

#271e43 reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #271e43
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 #271e43 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/271e43-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