Color

#0bc5ea

#0bc5ea
hex#0bc5ea
rgbrgb(11, 197, 234)
hslhsl(190, 91%, 48%)
oklchoklch(0.76 0.135 218)
Closest name: Blue Bikini (#00bbee)Relative luminance 0.4594

Colors that go with #0bc5ea

Charcoal, Denim and Dodger Blue lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#ea300b

#0beaa0 · #0b55ea

#ea0bc5 · #c5ea0b

Split-complementary

Open in tool →

#ea0b55 · #eaa00b

#a00bea · #ea300b · #55ea0b

Contrast

#0bc5ea as textRatioAAAA largeAAAFix
Aaon white
2.06:1failfailfail
  • AA: use #077f97 as the text (4.68:1)
  • AAA: use #055e70 as the text (7.39:1)
  • AA: or shift the background to #474747 (4.51:1)
  • AAA: or shift the background to #292929 (7.06:1)
Aaon black
10.19:1passpasspassPasses 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 #0bc5ea as the background.

Brands using this color

Fonts for this mood

#0bc5ea reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0bc5ea
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

›analyze #0bc5ea and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0bc5ea-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