Color

#0a43c7

#0a43c7
hex#0a43c7
rgbrgb(10, 67, 199)
hslhsl(222, 90%, 41%)
oklchoklch(0.448 0.211 263.1)
Closest name: Denim (#2243b6)Relative luminance 0.082

Tints & shades

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

Harmonies

Complementary

Open in tool →

#c78e0a

#0aa1c7 · #300ac7

#c70a43 · #43c70a

Split-complementary

Open in tool →

#c7300a · #a1c70a

#c70aa1 · #c78e0a · #0ac730

Contrast

#0a43c7 as textRatioAAAA largeAAAFix
Aaon white
7.95:1passpasspassPasses AAA — no fix needed.
Aaon black
2.64:1failfailfail
  • AA: use #346df4 as the text (4.64:1)
  • AAA: use #6993f7 as the text (7.12:1)
  • AA: or shift the background to #c4c4c4 (4.56:1)
  • AAA: or shift the background to #f2f2f2 (7.1:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0a43c7 as the background.

Brands using this color

Fonts for this mood

#0a43c7 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0a43c7
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 #0a43c7 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0a43c7-9ca3c4-df6e4e-211f2d-e9eff1?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