Color

#0b1f28

#0b1f28
hex#0b1f28
rgbrgb(11, 31, 40)
hslhsl(199, 57%, 10%)
oklchoklch(0.227 0.031 229.6)
Closest name: Midnight Dreams (#002233)Relative luminance 0.012

Tints & shades

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

Harmonies

Complementary

Open in tool →

#28140b

#0b2823 · #0b1028

#280b1f · #1f280b

Split-complementary

Open in tool →

#280b10 · #28230b

#230b28 · #28140b · #10280b

Contrast

#0b1f28 as textRatioAAAA largeAAAFix
Aaon white
16.92:1passpasspassPasses AAA — no fix needed.
Aaon black
1.24:1failfailfail
  • AA: use #2d7ea4 as the text (4.63:1)
  • AAA: use #43a0cb as the text (7.13:1)
  • AA: or shift the background to #858585 (4.59:1)
  • AAA: or shift the background to #a8a8a8 (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 #0b1f28 as the background.

Brands using this color

Fonts for this mood

#0b1f28 reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0b1f28
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 #0b1f28 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0b1f28-9cb3c4-df4e66-1f232d-e9f1f0?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