Color

#33397a

#33397a
hex#33397a
rgbrgb(51, 57, 122)
hslhsl(235, 41%, 34%)
oklchoklch(0.376 0.109 275.9)
Closest name: Evening Magic (#363e7d)Relative luminance 0.0504

Tints & shades

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

Harmonies

Complementary

Open in tool →

#7a7433

#335d7a · #51337a

#7a3339 · #397a33

Split-complementary

Open in tool →

#7a5133 · #5d7a33

#7a335d · #7a7433 · #337a51

Contrast

#33397a as textRatioAAAA largeAAAFix
Aaon white
10.46:1passpasspassPasses AAA — no fix needed.
Aaon black
2.01:1failfailfail
  • AA: use #686fc0 as the text (4.62:1)
  • AAA: use #8c92cf as the text (7.13:1)
  • AA: or shift the background to #ababab (4.56:1)
  • AAA: or shift the background to #d4d4d4 (7.06:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #33397a 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

#33397a reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #33397a
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 #33397a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/33397a-9e9cc4-df8d4e-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