Color

#3d498f

#3d498f
hex#3d498f
rgbrgb(61, 73, 143)
hslhsl(231, 40%, 40%)
oklchoklch(0.433 0.115 273.3)
Closest name: Blueberry (#464196)Relative luminance 0.0774

Tints & shades

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

Harmonies

Complementary

Open in tool →

#8f833d

#3d728f · #5a3d8f

#8f3d49 · #498f3d

Split-complementary

Open in tool →

#8f5a3d · #728f3d

#8f3d72 · #8f833d · #3d8f5a

Contrast

#3d498f as textRatioAAAA largeAAAFix
Aaon white
8.24:1passpasspassPasses AAA — no fix needed.
Aaon black
2.55:1failfailfail
  • AA: use #626fbc as the text (4.52:1)
  • AAA: use #8993cd as the text (7.12:1)
  • AA: or shift the background to #c2c2c2 (4.63:1)
  • AAA: or shift the background to #ededed (7.04:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3d498f 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

#3d498f reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3d498f
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 #3d498f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3d498f-9c9ec4-df834e-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