Color

#3d7deb

#3d7deb
hex#3d7deb
rgbrgb(61, 125, 235)
hslhsl(218, 81%, 58%)
oklchoklch(0.606 0.179 260.5)
Closest name: Blue Öyster Cult (#5577ee)Relative luminance 0.2166

Tints & shades

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

Harmonies

Complementary

Open in tool →

#ebab3d

#3dd4eb · #543deb

#eb3d7d · #7deb3d

Split-complementary

Open in tool →

#eb543d · #d4eb3d

#eb3dd4 · #ebab3d · #3deb54

Contrast

#3d7deb as textRatioAAAA largeAAAFix
Aaon white
3.94:1failpassfail
  • AA: use #2b70e9 as the text (4.57:1)
  • AAA: use #1452bd as the text (7.07:1)
  • AA: or shift the background to #171717 (4.55:1)
Aaon black
5.33:1passpassfail
  • AAA: use #6296ef as the text (7.13:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3d7deb as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Palettes built around it

Fonts for this mood

#3d7deb reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3d7deb
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 #3d7deb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3d7deb-9ca6c4-df644e-201f2d-e9f0f1?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