Color

#2300eb

#2300eb
hex#2300eb
rgbrgb(35, 0, 235)
hslhsl(249, 100%, 46%)
oklchoklch(0.433 0.289 268.2)
Closest name: Burning Ultrablue (#150aec)Relative luminance 0.0636

Tints & shades

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

Harmonies

Complementary

Open in tool →

#c7eb00

#0052eb · #9800eb

#eb2300 · #00eb23

Split-complementary

Open in tool →

#eb9800 · #52eb00

#eb0052 · #c7eb00 · #00eb98

Contrast

#2300eb as textRatioAAAA largeAAAFix
Aaon white
9.25:1passpasspassPasses AAA — no fix needed.
Aaon black
2.27:1failfailfail
  • AA: use #745cff as the text (4.72:1)
  • AAA: use #9785ff as the text (7.11:1)
  • AA: or shift the background to #b5b5b5 (4.51:1)
  • AAA: or shift the background to #e0e0e0 (7:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2300eb 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

#2300eb reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2300eb
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 #2300eb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2300eb-a79cc4-dfae4e-271f2d-e9ecf1?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