Color

#2103e2

#2103e2
hex#2103e2
rgbrgb(33, 3, 226)
hslhsl(248, 97%, 45%)
oklchoklch(0.422 0.279 268.2)
Closest name: Burning Ultrablue (#150aec)Relative luminance 0.0588

Tints & shades

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

Harmonies

Complementary

Open in tool →

#c4e203

#0355e2 · #9003e2

#e22103 · #03e221

Split-complementary

Open in tool →

#e29003 · #55e203

#e20355 · #c4e203 · #03e290

Contrast

#2103e2 as textRatioAAAA largeAAAFix
Aaon white
9.65:1passpasspassPasses AAA — no fix needed.
Aaon black
2.18:1failfailfail
  • AA: use #6f59fc as the text (4.51:1)
  • AAA: use #9686fd as the text (7.13:1)
  • AA: or shift the background to #b3b3b3 (4.6:1)
  • AAA: or shift the background to #dedede (7.17:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2103e2 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

#2103e2 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2103e2
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 #2103e2 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2103e2-a69cc4-dfac4e-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