Color

#121ded

#121ded
hex#121ded
rgbrgb(18, 29, 237)
hslhsl(237, 86%, 50%)
oklchoklch(0.445 0.285 265.6)
Closest name: Blue Overdose (#0020ef)Relative luminance 0.0712

Tints & shades

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

Harmonies

Complementary

Open in tool →

#ede212

#128aed · #7512ed

#ed121d · #1ded12

Split-complementary

Open in tool →

#ed7512 · #8aed12

#ed128a · #ede212 · #12ed75

Contrast

#121ded as textRatioAAAA largeAAAFix
Aaon white
8.66:1passpasspassPasses AAA — no fix needed.
Aaon black
2.42:1failfailfail
  • AA: use #5e65f3 as the text (4.63:1)
  • AAA: use #888ef6 as the text (7.25:1)
  • AA: or shift the background to #bdbdbd (4.61:1)
  • AAA: or shift the background to #e8e8e8 (7.07:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #121ded 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

#121ded reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #121ded
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 #121ded and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/121ded-9f9cc4-df924e-251f2d-e9edf1?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