Color

#374fd2

#374fd2
hex#374fd2
rgbrgb(55, 79, 210)
hslhsl(231, 63%, 52%)
oklchoklch(0.494 0.202 269.3)
Closest name: Blurple (#5539cc)Relative luminance 0.1106

Tints & shades

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

Harmonies

Complementary

Open in tool →

#d2bb37

#379cd2 · #6d37d2

#d2374f · #4fd237

Split-complementary

Open in tool →

#d26d37 · #9cd237

#d2379c · #d2bb37 · #37d26d

Contrast

#374fd2 as textRatioAAAA largeAAAFix
Aaon white
6.54:1passpassfail
  • AAA: use #2f47d0 as the text (7.16:1)
Aaon black
3.21:1failpassfail
  • AA: use #596cd9 as the text (4.57:1)
  • AAA: use #8291e3 as the text (7.11:1)
  • AA: or shift the background to #d9d9d9 (4.63:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #374fd2 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

#374fd2 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #374fd2
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 #374fd2 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/374fd2-9c9ec4-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