Color

#424ef5

#424ef5
hex#424ef5
rgbrgb(66, 78, 245)
hslhsl(236, 90%, 61%)
oklchoklch(0.53 0.244 271.5)
Closest name: Meteor Shower (#5533ff)Relative luminance 0.132

Tints & shades

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

Harmonies

Complementary

Open in tool →

#f5e942

#42a7f5 · #9042f5

#f5424e · #4ef542

Split-complementary

Open in tool →

#f59042 · #a7f542

#f542a7 · #f5e942 · #42f590

Contrast

#424ef5 as textRatioAAAA largeAAAFix
Aaon white
5.77:1passpassfail
  • AAA: use #2a37f4 as the text (7.12:1)
Aaon black
3.64:1failpassfail
  • AA: use #5a65f6 as the text (4.63:1)
  • AAA: use #868ef9 as the text (7.25:1)
  • AA: or shift the background to #e6e6e6 (4.62:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #424ef5 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

#424ef5 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #424ef5
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 #424ef5 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/424ef5-9e9cc4-df8f4e-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