Color

#375bd2

#375bd2
hex#375bd2
rgbrgb(55, 91, 210)
hslhsl(226, 63%, 52%)
oklchoklch(0.516 0.188 266.8)
Closest name: God of Rain (#4466cc)Relative luminance 0.1295

Tints & shades

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

Harmonies

Complementary

Open in tool →

#d2ae37

#37a9d2 · #6137d2

#d2375b · #5bd237

Split-complementary

Open in tool →

#d26137 · #a9d237

#d237a9 · #d2ae37 · #37d261

Contrast

#375bd2 as textRatioAAAA largeAAAFix
Aaon white
5.85:1passpassfail
  • AAA: use #2b4ebf as the text (7.13:1)
Aaon black
3.59:1failpassfail
  • AA: use #5070d7 as the text (4.64:1)
  • AAA: use #7a92e1 as the text (7.03:1)
  • AA: or shift the background to #e3e3e3 (4.56:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #375bd2 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

#375bd2 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #375bd2
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 #375bd2 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/375bd2-9ca1c4-df774e-221f2d-e9eff1?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