Color

#aaabbb

#aaabbb
hex#aaabbb
rgbrgb(170, 171, 187)
hslhsl(236, 11%, 70%)
oklchoklch(0.745 0.023 283)
Closest name: Nebulous December (#b3b2bf)Relative luminance 0.4126

Tints & shades

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

Harmonies

Complementary

Open in tool →

#bbbaaa

#aab4bb · #b1aabb

#bbaaab · #abbbaa

Split-complementary

Open in tool →

#bbb1aa · #b4bbaa

#bbaab4 · #bbbaaa · #aabbb1

Contrast

#aaabbb as textRatioAAAA largeAAAFix
Aaon white
2.27:1failfailfail
  • AA: use #71738e as the text (4.62:1)
  • AAA: use #545569 as the text (7.29:1)
  • AA: or shift the background to #404040 (4.57:1)
  • AAA: or shift the background to #212121 (7.09:1)
Aaon black
9.25:1passpasspassPasses AAA — no fix needed.

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

#aaabbb reads as cool, muted, light. The font library is tagged with the same vocabulary:

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

tool url/palettes/new/aaabbb-9e9cc4-df8f4e-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