Color

#33517a

#33517a
hex#33517a
rgbrgb(51, 81, 122)
hslhsl(215, 41%, 34%)
oklchoklch(0.431 0.077 256.5)
Closest name: Assassin (#2d4f83)Relative luminance 0.0799

Tints & shades

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

Harmonies

Complementary

Open in tool →

#7a5d33

#33747a · #39337a

#7a3351 · #517a33

Split-complementary

Open in tool →

#7a3933 · #747a33

#7a3374 · #7a5d33 · #337a39

Contrast

#33517a as textRatioAAAA largeAAAFix
Aaon white
8.08:1passpasspassPasses AAA — no fix needed.
Aaon black
2.6:1failfailfail
  • AA: use #4b77b4 as the text (4.6:1)
  • AAA: use #7697c6 as the text (7.01:1)
  • AA: or shift the background to #c2c2c2 (4.54:1)
  • AAA: or shift the background to #f0f0f0 (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 #33517a 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

#33517a reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #33517a
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 #33517a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/33517a-9ca8c4-df5d4e-201f2d-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