Color

#2a38cf

#2a38cf
hex#2a38cf
rgbrgb(42, 56, 207)
hslhsl(235, 66%, 49%)
oklchoklch(0.448 0.227 269.3)
Closest name: Lapis on Neptune (#1f22d2)Relative luminance 0.0783

Tints & shades

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

Harmonies

Complementary

Open in tool →

#cfc22a

#2a8bcf · #6f2acf

#cf2a38 · #38cf2a

Split-complementary

Open in tool →

#cf6f2a · #8bcf2a

#cf2a8b · #cfc22a · #2acf6f

Contrast

#2a38cf as textRatioAAAA largeAAAFix
Aaon white
8.19:1passpasspassPasses AAA — no fix needed.
Aaon black
2.57:1failfailfail
  • AA: use #5e69de as the text (4.55:1)
  • AAA: use #8890e7 as the text (7.19:1)
  • AA: or shift the background to #c2c2c2 (4.6:1)
  • AAA: or shift the background to #f0f0f0 (7.18:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2a38cf 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

#2a38cf reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2a38cf
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 #2a38cf and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2a38cf-9e9cc4-df8d4e-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