Color

#0b2aa8

#0b2aa8
hex#0b2aa8
rgbrgb(11, 42, 168)
hslhsl(228, 88%, 35%)
oklchoklch(0.374 0.2 265)
Closest name: Blue Hour (#0034ab)Relative luminance 0.0455

Tints & shades

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

Harmonies

Complementary

Open in tool →

#a8880b

#0b79a8 · #3a0ba8

#a80b2a · #2aa80b

Split-complementary

Open in tool →

#a83a0b · #79a80b

#a80b79 · #a8880b · #0ba83a

Contrast

#0b2aa8 as textRatioAAAA largeAAAFix
Aaon white
10.99:1passpasspassPasses AAA — no fix needed.
Aaon black
1.91:1failfailfail
  • AA: use #496bf3 as the text (4.68:1)
  • AAA: use #7992f6 as the text (7.26:1)
  • AA: or shift the background to #a6a6a6 (4.51:1)
  • AAA: or shift the background to #cfcfcf (7.05:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0b2aa8 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

#0b2aa8 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0b2aa8
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 #0b2aa8 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0b2aa8-9c9fc4-df7c4e-231f2d-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