Color

#090a4e

#090a4e
hex#090a4e
rgbrgb(9, 10, 78)
hslhsl(239, 79%, 17%)
oklchoklch(0.214 0.118 270.1)
Closest name: Ravenclaw (#0a0555)Relative luminance 0.0083

Tints & shades

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

Harmonies

Complementary

Open in tool →

#4e4c09

#092c4e · #2a094e

#4e090a · #0a4e09

Split-complementary

Open in tool →

#4e2a09 · #2c4e09

#4e092c · #4e4c09 · #094e2a

Contrast

#090a4e as textRatioAAAA largeAAAFix
Aaon white
18.03:1passpasspassPasses AAA — no fix needed.
Aaon black
1.17:1failfailfail
  • AA: use #6466ed as the text (4.67:1)
  • AAA: use #8d8ff2 as the text (7.34:1)
  • AA: or shift the background to #808080 (4.56:1)
  • AAA: or shift the background to #a3a3a3 (7.15:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #090a4e as the background.

Brands using this color

Fonts for this mood

#090a4e reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #090a4e
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 #090a4e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/090a4e-a09cc4-df964e-251f2d-e9edf1?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