Color

#271cc4

#271cc4
hex#271cc4
rgbrgb(39, 28, 196)
hslhsl(244, 75%, 44%)
oklchoklch(0.4 0.238 270.8)
Closest name: Busty Blue (#3300cc)Relative luminance 0.0525

Tints & shades

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

Harmonies

Complementary

Open in tool →

#b9c41c

#1c65c4 · #7b1cc4

#c4271c · #1cc427

Split-complementary

Open in tool →

#c47b1c · #65c41c

#c41c65 · #b9c41c · #1cc47b

Contrast

#271cc4 as textRatioAAAA largeAAAFix
Aaon white
10.25:1passpasspassPasses AAA — no fix needed.
Aaon black
2.05:1failfailfail
  • AA: use #6c63e9 as the text (4.6:1)
  • AAA: use #928bee as the text (7.15:1)
  • AA: or shift the background to #adadad (4.57:1)
  • AAA: or shift the background to #d6d6d6 (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 #271cc4 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

#271cc4 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #271cc4
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 #271cc4 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/271cc4-a39cc4-dfa24e-261f2d-e9edf1?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