Color

#21bede

#21bede
hex#21bede
rgbrgb(33, 190, 222)
hslhsl(190, 74%, 50%)
oklchoklch(0.741 0.126 216.4)
Closest name: Blue Bikini (#00bbee)Relative luminance 0.4242

Tints & shades

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

Harmonies

Complementary

Open in tool →

#de4121

#21de9f · #2160de

#de21be · #bede21

Split-complementary

Open in tool →

#de2160 · #de9f21

#9f21de · #de4121 · #60de21

Contrast

#21bede as textRatioAAAA largeAAAFix
Aaon white
2.21:1failfailfail
  • AA: use #178197 as the text (4.54:1)
  • AAA: use #115f6f as the text (7.27:1)
  • AA: or shift the background to #424242 (4.54:1)
  • AAA: or shift the background to #242424 (7.01:1)
Aaon black
9.48:1passpasspassPasses AAA — no fix needed.

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #21bede 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

#21bede reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #21bede
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 #21bede and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/21bede-a2b6be-df4e7c-1f252d-e9f1ef?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