Color

#374cd2

#374cd2
hex#374cd2
rgbrgb(55, 76, 210)
hslhsl(232, 63%, 52%)
oklchoklch(0.489 0.206 269.9)
Closest name: Blurple (#5539cc)Relative luminance 0.1063

Tints & shades

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

Harmonies

Complementary

Open in tool →

#d2bd37

#3799d2 · #7037d2

#d2374c · #4cd237

Split-complementary

Open in tool →

#d27037 · #99d237

#d23799 · #d2bd37 · #37d270

Contrast

#374cd2 as textRatioAAAA largeAAAFix
Aaon white
6.72:1passpassfail
  • AAA: use #3348d1 as the text (7.03:1)
Aaon black
3.13:1failpassfail
  • AA: use #5d6eda as the text (4.71:1)
  • AAA: use #8693e4 as the text (7.31:1)
  • AA: or shift the background to #d4d4d4 (4.53:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #374cd2 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

#374cd2 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #374cd2
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 #374cd2 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/374cd2-9c9dc4-df864e-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