Color

#271abc

#271abc
hex#271abc
rgbrgb(39, 26, 188)
hslhsl(245, 76%, 42%)
oklchoklch(0.389 0.23 271.4)
Closest name: Galactic Highway (#3311bb)Relative luminance 0.048

Tints & shades

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

Harmonies

Complementary

Open in tool →

#afbc1a

#1a5ebc · #791abc

#bc271a · #1abc27

Split-complementary

Open in tool →

#bc791a · #5ebc1a

#bc1a5e · #afbc1a · #1abc79

Contrast

#271abc as textRatioAAAA largeAAAFix
Aaon white
10.71:1passpasspassPasses AAA — no fix needed.
Aaon black
1.96:1failfailfail
  • AA: use #6d62ea as the text (4.59:1)
  • AAA: use #938aef as the text (7.12:1)
  • AA: or shift the background to #a8a8a8 (4.51:1)
  • AAA: or shift the background to #d1d1d1 (7.02:1)

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

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

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

tool url/palettes/new/271abc-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