Color

#7b91bc

#7b91bc
hex#7b91bc
rgbrgb(123, 145, 188)
hslhsl(220, 33%, 61%)
oklchoklch(0.656 0.069 263.5)
Closest name: Galactic Gossamer (#7f8cb8)Relative luminance 0.2809

Colors that go with #7b91bc

Charcoal, Amber and Blue Violet lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Real palettes that use #7b91bc

Tints & shades

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

Harmonies

Complementary

Open in tool →

#bca67b

#7bb1bc · #867bbc

#bc7b91 · #91bc7b

Split-complementary

Open in tool →

#bc867b · #b1bc7b

#bc7bb1 · #bca67b · #7bbc86

Contrast

#7b91bc as textRatioAAAA largeAAAFix
Aaon white
3.17:1failpassfail
  • AA: use #5974ab as the text (4.66:1)
  • AAA: use #415681 as the text (7.31:1)
  • AA: or shift the background to #292929 (4.59:1)
Aaon black
6.62:1passpassfail
  • AAA: use #8296c0 as the text (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 #7b91bc as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

mcpConnect your agent — build around #7b91bc
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #7b91bc and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/7b91bc-9ca5c4-df694e-211f2d-e9f0f1?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