Color

#271bac

#271bac
hex#271bac
rgbrgb(39, 27, 172)
hslhsl(245, 73%, 39%)
oklchoklch(0.37 0.211 272.6)
Closest name: Galactic Highway (#3311bb)Relative luminance 0.0419

Tints & shades

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

Harmonies

Complementary

Open in tool →

#a0ac1b

#1b57ac · #701bac

#ac271b · #1bac27

Split-complementary

Open in tool →

#ac701b · #57ac1b

#ac1b57 · #a0ac1b · #1bac70

Contrast

#271bac as textRatioAAAA largeAAAFix
Aaon white
11.42:1passpasspassPasses AAA — no fix needed.
Aaon black
1.84:1failfailfail
  • AA: use #6f65e7 as the text (4.69:1)
  • AAA: use #948ced as the text (7.23:1)
  • AA: or shift the background to #a3a3a3 (4.53:1)
  • AAA: or shift the background to #cccccc (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 #271bac 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

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

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

tool url/palettes/new/271bac-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