Color

#33516b

#33516b
hex#33516b
rgbrgb(51, 81, 107)
hslhsl(208, 35%, 31%)
oklchoklch(0.423 0.056 245.8)
Closest name: Bluedgeons (#324c64)Relative luminance 0.0765

Tints & shades

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

Harmonies

Complementary

Open in tool →

#6b4d33

#336b69 · #33356b

#6b3351 · #516b33

Split-complementary

Open in tool →

#6b3335 · #6b6933

#69336b · #6b4d33 · #356b33

Contrast

#33516b as textRatioAAAA largeAAAFix
Aaon white
8.3:1passpasspassPasses AAA — no fix needed.
Aaon black
2.53:1failfailfail
  • AA: use #4e7ba2 as the text (4.68:1)
  • AAA: use #759bbd as the text (7.18:1)
  • AA: or shift the background to #bfbfbf (4.51:1)
  • AAA: or shift the background to #ededed (7.09:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #33516b 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

#33516b reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #33516b
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 #33516b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/33516b-9cadc4-df4e51-1f212d-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