Color

#6171ff

#6171ff
hex#6171ff
rgbrgb(97, 113, 255)
hslhsl(234, 100%, 69%)
oklchoklch(0.614 0.209 273.7)
Closest name: Blue Öyster Cult (#5577ee)Relative luminance 0.2157

Tints & shades

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

Harmonies

Complementary

Open in tool →

#ffef61

#61c0ff · #a061ff

#ff6171 · #71ff61

Split-complementary

Open in tool →

#ffa061 · #c0ff61

#ff61c0 · #ffef61 · #61ffa0

Contrast

#6171ff as textRatioAAAA largeAAAFix
Aaon white
3.95:1failpassfail
  • AA: use #5263ff as the text (4.58:1)
  • AAA: use #1a30ff as the text (7.21:1)
  • AA: or shift the background to #171717 (4.54:1)
Aaon black
5.31:1passpassfail
  • AAA: use #808cff as the text (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 #6171ff 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

#6171ff reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #6171ff
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 #6171ff and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/6171ff-9d9cc4-df8a4e-241f2d-e9eef1?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