Color

#0a5ca4

#0a5ca4
hex#0a5ca4
rgbrgb(10, 92, 164)
hslhsl(208, 89%, 34%)
oklchoklch(0.471 0.136 252)
Closest name: Blue Chip (#1d5699)Relative luminance 0.104

Tints & shades

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

Harmonies

Complementary

Open in tool →

#a4520a

#0aa49f · #0a0fa4

#a40a5c · #5ca40a

Split-complementary

Open in tool →

#a40a0f · #a49f0a

#9f0aa4 · #a4520a · #0fa40a

Contrast

#0a5ca4 as textRatioAAAA largeAAAFix
Aaon white
6.82:1passpassfail
  • AAA: use #09599f as the text (7.14:1)
Aaon black
3.08:1failpassfail
  • AA: use #0c77d4 as the text (4.61:1)
  • AAA: use #359af3 as the text (7.07:1)
  • AA: or shift the background to #d4d4d4 (4.6:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0a5ca4 as the background.

Brands using this color

Fonts for this mood

#0a5ca4 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0a5ca4
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 #0a5ca4 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0a5ca4-9cadc4-df4e51-1f212d-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