Color

#05a1d1

#05a1d1
hex#05a1d1
rgbrgb(5, 161, 209)
hslhsl(194, 95%, 42%)
oklchoklch(0.663 0.129 228.4)
Closest name: Blue Burst (#309cd0)Relative luminance 0.3013

Tints & shades

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

Harmonies

Complementary

Open in tool →

#d13505

#05d19b · #053cd1

#d105a1 · #a1d105

Split-complementary

Open in tool →

#d1053c · #d19b05

#9b05d1 · #d13505 · #3cd105

Contrast

#05a1d1 as textRatioAAAA largeAAAFix
Aaon white
2.99:1failfailfail
  • AA: use #047fa4 as the text (4.59:1)
  • AAA: use #03607c as the text (7.08:1)
  • AA: or shift the background to #2e2e2e (4.54:1)
  • AAA: or shift the background to #000000 (7.03:1)
Aaon black
7.03:1passpasspassPasses 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 #05a1d1 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

#05a1d1 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #05a1d1
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 #05a1d1 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/05a1d1-9cb6c4-df4e72-1f242d-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