Color

#4053dd

#4053dd
hex#4053dd
rgbrgb(64, 83, 221)
hslhsl(233, 70%, 56%)
oklchoklch(0.515 0.209 270.9)
Closest name: Arcane Brew (#5260e1)Relative luminance 0.125

Tints & shades

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

Harmonies

Complementary

Open in tool →

#ddcb40

#40a1dd · #7c40dd

#dd4053 · #53dd40

Split-complementary

Open in tool →

#dd7c40 · #a1dd40

#dd40a1 · #ddcb40 · #40dd7c

Contrast

#4053dd as textRatioAAAA largeAAAFix
Aaon white
6:1passpassfail
  • AAA: use #2f43da as the text (7.15:1)
Aaon black
3.5:1failpassfail
  • AA: use #5a6ae2 as the text (4.59:1)
  • AAA: use #8691ea as the text (7.25:1)
  • AA: or shift the background to #e0e0e0 (4.55:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #4053dd 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

#4053dd reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #4053dd
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 #4053dd and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4053dd-9c9cc4-df884e-241f2d-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