Color

#271ecc

#271ecc
hex#271ecc
rgbrgb(39, 30, 204)
hslhsl(243, 74%, 46%)
oklchoklch(0.412 0.245 270.3)
Closest name: Lapis on Neptune (#1f22d2)Relative luminance 0.0572

Tints & shades

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

Harmonies

Complementary

Open in tool →

#c3cc1e

#1e6dcc · #7e1ecc

#cc271e · #1ecc27

Split-complementary

Open in tool →

#cc7e1e · #6dcc1e

#cc1e6d · #c3cc1e · #1ecc7e

Contrast

#271ecc as textRatioAAAA largeAAAFix
Aaon white
9.8:1passpasspassPasses AAA — no fix needed.
Aaon black
2.14:1failfailfail
  • AA: use #6a64e8 as the text (4.6:1)
  • AAA: use #918cee as the text (7.19:1)
  • AA: or shift the background to #b0b0b0 (4.52:1)
  • AAA: or shift the background to #dbdbdb (7.07:1)

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

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

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

tool url/palettes/new/271ecc-a39cc4-dfa04e-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