Color

#3d52bd

#3d52bd
hex#3d52bd
rgbrgb(61, 82, 189)
hslhsl(230, 51%, 49%)
oklchoklch(0.485 0.169 270.4)
Closest name: Blasphemous Blue (#3356aa)Relative luminance 0.107

Tints & shades

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

Harmonies

Complementary

Open in tool →

#bda73d

#3d92bd · #683dbd

#bd3d52 · #52bd3d

Split-complementary

Open in tool →

#bd683d · #92bd3d

#bd3d92 · #bda73d · #3dbd68

Contrast

#3d52bd as textRatioAAAA largeAAAFix
Aaon white
6.69:1passpassfail
  • AAA: use #3b4fb5 as the text (7.07:1)
Aaon black
3.14:1failpassfail
  • AA: use #5d6fcb as the text (4.6:1)
  • AAA: use #8492d7 as the text (7.07:1)
  • AA: or shift the background to #d4d4d4 (4.51:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3d52bd 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

#3d52bd reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3d52bd
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 #3d52bd and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3d52bd-9c9ec4-df814e-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