Color

#00c4fa

#00c4fa
hex#00c4fa
rgbrgb(0, 196, 250)
hslhsl(193, 100%, 49%)
oklchoklch(0.765 0.147 226.6)
Closest name: deepskyblue (#00bfff)Relative luminance 0.4638

Tints & shades

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

Harmonies

Complementary

Open in tool →

#fa3600

#00fab3 · #0047fa

#fa00c4 · #c4fa00

Split-complementary

Open in tool →

#fa0047 · #fab300

#b300fa · #fa3600 · #47fa00

Contrast

#00c4fa as textRatioAAAA largeAAAFix
Aaon white
2.04:1failfailfail
  • AA: use #0080a3 as the text (4.55:1)
  • AAA: use #00607a as the text (7.11:1)
  • AA: or shift the background to #474747 (4.55:1)
  • AAA: or shift the background to #292929 (7.12:1)
Aaon black
10.28:1passpasspassPasses 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 #00c4fa as the background.

Brands using this color

Fonts for this mood

#00c4fa reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #00c4fa
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 #00c4fa and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/00c4fa-a2b5be-df4e75-1f242d-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