Color

#5373ea

#5373ea
hex#5373ea
rgbrgb(83, 115, 234)
hslhsl(227, 78%, 62%)
oklchoklch(0.595 0.183 268.9)
Closest name: Blue Öyster Cult (#5577ee)Relative luminance 0.2004

Tints & shades

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

Harmonies

Complementary

Open in tool →

#eac953

#53bfea · #7d53ea

#ea5373 · #73ea53

Split-complementary

Open in tool →

#ea7d53 · #bfea53

#ea53bf · #eac953 · #53ea7d

Contrast

#5373ea as textRatioAAAA largeAAAFix
Aaon white
4.19:1failpassfail
  • AA: use #496ce9 as the text (4.56:1)
  • AAA: use #1b46de as the text (7.05:1)
  • AA: or shift the background to #0f0f0f (4.57:1)
Aaon black
5.01:1passpassfail
  • AAA: use #7791ee as the text (7.07:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #5373ea 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

#5373ea reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #5373ea
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 #5373ea and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/5373ea-9ca0c4-df7a4e-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