Color

#313196

#313196
hex#313196
rgbrgb(49, 49, 150)
hslhsl(240, 51%, 39%)
oklchoklch(0.383 0.161 275.7)
Closest name: Bluebell (#333399)Relative luminance 0.0505

Tints & shades

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

Harmonies

Complementary

Open in tool →

#969631

#316396 · #633196

#963131 · #319631

Split-complementary

Open in tool →

#966331 · #639631

#963163 · #969631 · #319663

Contrast

#313196 as textRatioAAAA largeAAAFix
Aaon white
10.45:1passpasspassPasses AAA — no fix needed.
Aaon black
2.01:1failfailfail
  • AA: use #6969ce as the text (4.51:1)
  • AAA: use #8f8fdb as the text (7.12:1)
  • AA: or shift the background to #ababab (4.55:1)
  • AAA: or shift the background to #d4d4d4 (7.05:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #313196 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

#313196 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #313196
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 #313196 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/313196-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