Color

#0a59ae

#0a59ae
hex#0a59ae
rgbrgb(10, 89, 174)
hslhsl(211, 89%, 36%)
oklchoklch(0.472 0.152 255.6)
Closest name: Blasphemous Blue (#3356aa)Relative luminance 0.1027

Tints & shades

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

Harmonies

Complementary

Open in tool →

#ae5f0a

#0aabae · #0d0aae

#ae0a59 · #59ae0a

Split-complementary

Open in tool →

#ae0d0a · #abae0a

#ae0aab · #ae5f0a · #0aae0d

Contrast

#0a59ae as textRatioAAAA largeAAAFix
Aaon white
6.88:1passpassfail
  • AAA: use #0a57a9 as the text (7.12:1)
Aaon black
3.05:1failpassfail
  • AA: use #0d74e3 as the text (4.62:1)
  • AAA: use #4399f4 as the text (7.1:1)
  • AA: or shift the background to #d1d1d1 (4.5:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0a59ae as the background.

Brands using this color

Fonts for this mood

#0a59ae reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0a59ae
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 #0a59ae and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0a59ae-9cabc4-df534e-1f202d-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