Color

#2a75ef

#2a75ef
hex#2a75ef
rgbrgb(42, 117, 239)
hslhsl(217, 86%, 55%)
oklchoklch(0.586 0.198 260)
Closest name: Bluetiful (#3c69e7)Relative luminance 0.1945

Tints & shades

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

Harmonies

Complementary

Open in tool →

#efa32a

#2ad8ef · #412aef

#ef2a75 · #75ef2a

Split-complementary

Open in tool →

#ef412a · #d8ef2a

#ef2ad8 · #efa32a · #2aef41

Contrast

#2a75ef as textRatioAAAA largeAAAFix
Aaon white
4.3:1failpassfail
  • AA: use #206fee as the text (4.6:1)
  • AAA: use #0e52be as the text (7.07:1)
  • AA: or shift the background to #0d0d0d (4.53:1)
Aaon black
4.89:1passpassfail
  • AAA: use #5e97f3 as the text (7.2:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2a75ef 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

#2a75ef reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2a75ef
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 #2a75ef and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2a75ef-9ca7c4-df624e-201f2d-e9f0f1?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