Color

#00a3f5

#00a3f5
hex#00a3f5
rgbrgb(0, 163, 245)
hslhsl(200, 100%, 48%)
oklchoklch(0.686 0.163 242.1)
Closest name: Fresh Blue of Bel Air (#069af3)Relative luminance 0.3279

Tints & shades

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

Harmonies

Complementary

Open in tool →

#f55200

#00f5cc · #0029f5

#f500a3 · #a3f500

Split-complementary

Open in tool →

#f50029 · #f5cc00

#cc00f5 · #f55200 · #29f500

Contrast

#00a3f5 as textRatioAAAA largeAAAFix
Aaon white
2.78:1failfailfail
  • AA: use #007ab8 as the text (4.69:1)
  • AAA: use #005c8a as the text (7.25:1)
  • AA: or shift the background to #333333 (4.55:1)
  • AAA: or shift the background to #0a0a0a (7.12:1)
Aaon black
7.56:1passpasspassPasses 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 #00a3f5 as the background.

Brands using this color

Fonts for this mood

#00a3f5 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #00a3f5
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 #00a3f5 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/00a3f5-9cb2c4-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