Color

#0facfa

#0facfa
hex#0facfa
rgbrgb(15, 172, 250)
hslhsl(200, 96%, 52%)
oklchoklch(0.71 0.16 239.9)
Closest name: Cerulean (#55aaee)Relative luminance 0.3651

Tints & shades

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

Harmonies

Complementary

Open in tool →

#fa5d0f

#0ffad3 · #0f36fa

#fa0fac · #acfa0f

Split-complementary

Open in tool →

#fa0f36 · #fad30f

#d30ffa · #fa5d0f · #36fa0f

Contrast

#0facfa as textRatioAAAA largeAAAFix
Aaon white
2.53:1failfailfail
  • AA: use #047db9 as the text (4.53:1)
  • AAA: use #035e8c as the text (7.04:1)
  • AA: or shift the background to #383838 (4.64:1)
  • AAA: or shift the background to #171717 (7.09:1)
Aaon black
8.3:1passpasspassPasses 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 #0facfa as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#0facfa reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0facfa
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 #0facfa and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0facfa-9cb2c4-df4e64-1f232d-e9f1f0?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