Color

#33337a

#33337a
hex#33337a
rgbrgb(51, 51, 122)
hslhsl(240, 41%, 34%)
oklchoklch(0.364 0.118 278.8)
Closest name: Deep Space Royal (#223382)Relative luminance 0.0448

Tints & shades

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

Harmonies

Complementary

Open in tool →

#7a7a33

#33577a · #57337a

#7a3333 · #337a33

Split-complementary

Open in tool →

#7a5733 · #577a33

#7a3357 · #7a7a33 · #337a57

Contrast

#33337a as textRatioAAAA largeAAAFix
Aaon white
11.08:1passpasspassPasses AAA — no fix needed.
Aaon black
1.9:1failfailfail
  • AA: use #6c6cc1 as the text (4.55:1)
  • AAA: use #9090d0 as the text (7.09:1)
  • AA: or shift the background to #a6a6a6 (4.55:1)
  • AAA: or shift the background to #cfcfcf (7.11:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #33337a 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

#33337a reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #33337a
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 #33337a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/33337a-a19cc4-df994e-251f2d-e9edf1?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