Color

#5eb2f3

#5eb2f3
hex#5eb2f3
rgbrgb(94, 178, 243)
hslhsl(206, 86%, 66%)
oklchoklch(0.738 0.125 244.1)
Closest name: Cerulean (#55aaee)Relative luminance 0.4069

Colors that go with #5eb2f3

Charcoal, Dark Orange 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 →

#f39e5e

#5ef3e9 · #5e68f3

#f35eb2 · #b2f35e

Split-complementary

Open in tool →

#f35e68 · #f3e95e

#e95ef3 · #f39e5e · #68f35e

Contrast

#5eb2f3 as textRatioAAAA largeAAAFix
Aaon white
2.3:1failfailfail
  • AA: use #0f77c7 as the text (4.68:1)
  • AAA: use #0b5b98 as the text (7.08:1)
  • AA: or shift the background to #404040 (4.51:1)
  • AAA: or shift the background to #212121 (7.01:1)
Aaon black
9.14:1passpasspassPasses 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 #5eb2f3 as the background.

Brands using this color

Fonts for this mood

#5eb2f3 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #5eb2f3
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 #5eb2f3 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/5eb2f3-9caec4-df4e56-1f212d-e9f1f1?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