Color

#0b1028

#0b1028
hex#0b1028
rgbrgb(11, 16, 40)
hslhsl(230, 57%, 10%)
oklchoklch(0.184 0.049 271.9)
Closest name: Corbeau (#111122)Relative luminance 0.0059

Tints & shades

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

Harmonies

Complementary

Open in tool →

#28230b

#0b1e28 · #150b28

#280b10 · #10280b

Split-complementary

Open in tool →

#28150b · #1e280b

#280b1e · #28230b · #0b2815

Contrast

#0b1028 as textRatioAAAA largeAAAFix
Aaon white
18.77:1passpasspassPasses AAA — no fix needed.
Aaon black
1.12:1failfailfail
  • AA: use #5b6fd2 as the text (4.65:1)
  • AAA: use #8392dd as the text (7.12:1)
  • AA: or shift the background to #7d7d7d (4.56:1)
  • AAA: or shift the background to #9e9e9e (7:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0b1028 as the background.

Brands using this color

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

Palettes built around it

Fonts for this mood

#0b1028 reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0b1028
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 #0b1028 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0b1028-9c9ec4-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