Color

#0ba7ea

#0ba7ea
hex#0ba7ea
rgbrgb(11, 167, 234)
hslhsl(198, 91%, 48%)
oklchoklch(0.69 0.148 236.5)
Closest name: Cerulean (#55aaee)Relative luminance 0.3365

Colors that go with #0ba7ea

Charcoal, Bronze and Amber 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 →

#ea4e0b

#0beabd · #0b38ea

#ea0ba7 · #a7ea0b

Split-complementary

Open in tool →

#ea0b38 · #eabd0b

#bd0bea · #ea4e0b · #38ea0b

Contrast

#0ba7ea as textRatioAAAA largeAAAFix
Aaon white
2.72:1failfailfail
  • AA: use #087daf as the text (4.6:1)
  • AAA: use #065e84 as the text (7.14:1)
  • AA: or shift the background to #333333 (4.65:1)
  • AAA: or shift the background to #0f0f0f (7.06:1)
Aaon black
7.73:1passpasspassPasses 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 #0ba7ea as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#0ba7ea reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0ba7ea
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 #0ba7ea and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0ba7ea-9cb3c4-df4e69-1f232d-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