Color

#2106ea

#2106ea
hex#2106ea
rgbrgb(33, 6, 234)
hslhsl(247, 95%, 47%)
oklchoklch(0.433 0.287 267.9)
Closest name: Burning Ultrablue (#150aec)Relative luminance 0.0639

Tints & shades

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

Harmonies

Complementary

Open in tool →

#cfea06

#065dea · #9206ea

#ea2106 · #06ea21

Split-complementary

Open in tool →

#ea9206 · #5dea06

#ea065d · #cfea06 · #06ea92

Contrast

#2106ea as textRatioAAAA largeAAAFix
Aaon white
9.22:1passpasspassPasses AAA — no fix needed.
Aaon black
2.28:1failfailfail
  • AA: use #6e5bfb as the text (4.55:1)
  • AAA: use #9588fc as the text (7.21:1)
  • AA: or shift the background to #b8b8b8 (4.65:1)
  • AAA: or shift the background to #e3e3e3 (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 #2106ea 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

#2106ea reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2106ea
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 #2106ea and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2106ea-a59cc4-dfaa4e-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