Color

#6891bb

#6891bb
hex#6891bb
rgbrgb(104, 145, 187)
hslhsl(210, 38%, 57%)
oklchoklch(0.643 0.078 249.7)
Closest name: Galactic Gossamer (#7f8cb8)Relative luminance 0.2678

Tints & shades

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

Harmonies

Complementary

Open in tool →

#bb9168

#68bbbb · #6868bb

#bb6891 · #91bb68

Split-complementary

Open in tool →

#bb6868 · #bbbb68

#bb68bb · #bb9168 · #68bb68

Contrast

#6891bb as textRatioAAAA largeAAAFix
Aaon white
3.3:1failpassfail
  • AA: use #4c7aa9 as the text (4.5:1)
  • AAA: use #37597b as the text (7.3:1)
  • AA: or shift the background to #262626 (4.58:1)
Aaon black
6.36:1passpassfail
  • AAA: use #7299c0 as the text (7.03:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #6891bb 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

#6891bb reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #6891bb
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 #6891bb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/6891bb-9cabc4-df514e-1f202d-e9f1f1?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