Color

#00d5ff

#00d5ff
hex#00d5ff
rgbrgb(0, 213, 255)
hslhsl(190, 100%, 50%)
oklchoklch(0.807 0.146 218.9)
Closest name: Blue Mana (#68c2f5)Relative luminance 0.5481

Tints & shades

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

Harmonies

Complementary

Open in tool →

#ff2a00

#00ffaa · #0055ff

#ff00d4 · #d4ff00

Split-complementary

Open in tool →

#ff0055 · #ffaa00

#aa00ff · #ff2a00 · #55ff00

Contrast

#00d5ff as textRatioAAAA largeAAAFix
Aaon white
1.76:1failfailfail
  • AA: use #008099 as the text (4.62:1)
  • AAA: use #005e70 as the text (7.41:1)
  • AA: or shift the background to #4f4f4f (4.67:1)
  • AAA: or shift the background to #333333 (7.2:1)
Aaon black
11.96:1passpasspassPasses 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 #00d5ff as the background.

Brands using this color

Fonts for this mood

#00d5ff reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #00d5ff
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 #00d5ff and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/00d5ff-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