Color

#333c75

#333c75
hex#333c75
rgbrgb(51, 60, 117)
hslhsl(232, 39%, 33%)
oklchoklch(0.379 0.097 274.1)
Closest name: Evening Magic (#363e7d)Relative luminance 0.0522

Tints & shades

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

Harmonies

Complementary

Open in tool →

#756c33

#335d75 · #4b3375

#75333c · #3c7533

Split-complementary

Open in tool →

#754b33 · #5d7533

#75335d · #756c33 · #33754b

Contrast

#333c75 as textRatioAAAA largeAAAFix
Aaon white
10.27:1passpasspassPasses AAA — no fix needed.
Aaon black
2.04:1failfailfail
  • AA: use #636fbb as the text (4.52:1)
  • AAA: use #8a93cc as the text (7.13:1)
  • AA: or shift the background to #adadad (4.58:1)
  • AAA: or shift the background to #d6d6d6 (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 #333c75 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

#333c75 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #333c75
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 #333c75 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/333c75-9c9dc4-df864e-231f2d-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