Color

#0599f5

#0599f5
hex#0599f5
rgbrgb(5, 153, 245)
hslhsl(203, 96%, 49%)
oklchoklch(0.663 0.172 246.6)
Closest name: Fresh Blue of Bel Air (#069af3)Relative luminance 0.2941

Tints & shades

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

Harmonies

Complementary

Open in tool →

#f56105

#05f5d9 · #0521f5

#f50599 · #99f505

Split-complementary

Open in tool →

#f50521 · #f5d905

#d905f5 · #f56105 · #21f505

Contrast

#0599f5 as textRatioAAAA largeAAAFix
Aaon white
3.05:1failpassfail
  • AA: use #047ac3 as the text (4.59:1)
  • AAA: use #035b91 as the text (7.22:1)
  • AA: or shift the background to #2b2b2b (4.64:1)
Aaon black
6.88:1passpassfail
  • AAA: use #059cfa as the text (7.14:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0599f5 as the background.

Brands using this color

Fonts for this mood

#0599f5 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0599f5
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 #0599f5 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0599f5-9cb0c4-df4e5d-1f222d-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