Color

#353181

#353181
hex#353181
rgbrgb(53, 49, 129)
hslhsl(243, 45%, 35%)
oklchoklch(0.368 0.131 280.1)
Closest name: Deep Space Royal (#223382)Relative luminance 0.0454

Tints & shades

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

Harmonies

Complementary

Open in tool →

#7d8131

#315581 · #5d3181

#813531 · #318135

Split-complementary

Open in tool →

#815d31 · #558131

#813155 · #7d8131 · #31815d

Contrast

#353181 as textRatioAAAA largeAAAFix
Aaon white
11.01:1passpasspassPasses AAA — no fix needed.
Aaon black
1.91:1failfailfail
  • AA: use #706bc7 as the text (4.62:1)
  • AAA: use #9490d5 as the text (7.21:1)
  • AA: or shift the background to #a6a6a6 (4.52:1)
  • AAA: or shift the background to #cfcfcf (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 #353181 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

#353181 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #353181
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 #353181 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/353181-a39cc4-dfa04e-261f2d-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