Color

#271d95

#271d95
hex#271d95
rgbrgb(39, 29, 149)
hslhsl(245, 67%, 35%)
oklchoklch(0.345 0.183 274.7)
Closest name: Deepsea Kraken (#082599)Relative luminance 0.0348

Colors that go with #271d95

Steel Blue, Blue and Charcoal lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#8b951d

#1d4f95 · #631d95

#95271d · #1d9527

Split-complementary

Open in tool →

#95631d · #4f951d

#951d4f · #8b951d · #1d9563

Contrast

#271d95 as textRatioAAAA largeAAAFix
Aaon white
12.38:1passpasspassPasses AAA — no fix needed.
Aaon black
1.7:1failfailfail
  • AA: use #7066e1 as the text (4.68:1)
  • AAA: use #948ce8 as the text (7.18:1)
  • AA: or shift the background to #9c9c9c (4.51:1)
  • AAA: or shift the background to #c4c4c4 (7.1:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #271d95 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

#271d95 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #271d95
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #271d95 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/271d95-a49cc4-dfa54e-261f2d-e9ecf1?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