Color

#0a1342

#0a1342
hex#0a1342
rgbrgb(10, 19, 66)
hslhsl(230, 74%, 15%)
oklchoklch(0.216 0.089 269)
Closest name: Deadly Depths (#111144)Relative luminance 0.0092

Tints & shades

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

Harmonies

Complementary

Open in tool →

#43390a

#0a3043 · #1d0a43

#430a13 · #13430a

Split-complementary

Open in tool →

#431d0a · #30430a

#430a30 · #43390a · #0a431d

Contrast

#0a1342 as textRatioAAAA largeAAAFix
Aaon white
17.73:1passpasspassPasses AAA — no fix needed.
Aaon black
1.18:1failfailfail
  • AA: use #526ae5 as the text (4.55:1)
  • AAA: use #7e91ec as the text (7.15:1)
  • AA: or shift the background to #828282 (4.61:1)
  • AAA: or shift the background to #a3a3a3 (7.03:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0a1342 as the background.

Brands using this color

Fonts for this mood

#0a1342 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0a1342
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 #0a1342 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0a1342-9c9ec4-df814e-231f2d-e9eef1?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