Color

#090b4e

#090b4e
hex#090b4e
rgbrgb(9, 11, 78)
hslhsl(238, 79%, 17%)
oklchoklch(0.215 0.117 269.9)
Closest name: Ravenclaw (#0a0555)Relative luminance 0.0085

Tints & shades

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

Harmonies

Complementary

Open in tool →

#4e4b09

#092e4e · #29094e

#4e090b · #0b4e09

Split-complementary

Open in tool →

#4e2909 · #2e4e09

#4e092e · #4e4b09 · #094e29

Contrast

#090b4e as textRatioAAAA largeAAAFix
Aaon white
17.96:1passpasspassPasses AAA — no fix needed.
Aaon black
1.17:1failfailfail
  • AA: use #5f64ec as the text (4.52:1)
  • AAA: use #888cf1 as the text (7.07:1)
  • AA: or shift the background to #808080 (4.55:1)
  • AAA: or shift the background to #a3a3a3 (7.12:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #090b4e as the background.

Brands using this color

Fonts for this mood

#090b4e reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #090b4e
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 #090b4e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/090b4e-9f9cc4-df944e-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