Color

#0231ca

#0231ca
hex#0231ca
rgbrgb(2, 49, 202)
hslhsl(226, 98%, 40%)
oklchoklch(0.421 0.235 264)
Closest name: Lapis on Neptune (#1f22d2)Relative luminance 0.0647

Tints & shades

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

Harmonies

Complementary

Open in tool →

#ca9b02

#0295ca · #3702ca

#ca0231 · #31ca02

Split-complementary

Open in tool →

#ca3702 · #95ca02

#ca0295 · #ca9b02 · #02ca37

Contrast

#0231ca as textRatioAAAA largeAAAFix
Aaon white
9.15:1passpasspassPasses AAA — no fix needed.
Aaon black
2.29:1failfailfail
  • AA: use #3a68fd as the text (4.58:1)
  • AAA: use #7292fe as the text (7.26:1)
  • AA: or shift the background to #b8b8b8 (4.61:1)
  • AAA: or shift the background to #e3e3e3 (7.13:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0231ca 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

#0231ca reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0231ca
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 #0231ca and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0231ca-9ca1c4-df774e-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