Color

#28232e

#28232e
hex#28232e
rgbrgb(40, 35, 46)
hslhsl(267, 14%, 16%)
oklchoklch(0.266 0.021 305.6)
Closest name: Black Velvet (#222233)Relative luminance 0.0185

Tints & shades

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

Harmonies

Complementary

Open in tool →

#292f23

#23242f · #2e232f

#2f2823 · #232f28

Split-complementary

Open in tool →

#2f2e23 · #242f23

#2f2324 · #292f23 · #232f2e

Contrast

#28232e as textRatioAAAA largeAAAFix
Aaon white
15.33:1passpasspassPasses AAA — no fix needed.
Aaon black
1.37:1failfailfail
  • AA: use #7e6e91 as the text (4.53:1)
  • AAA: use #9d91ac as the text (7.08:1)
  • AA: or shift the background to #8c8c8c (4.56:1)
  • AAA: or shift the background to #b0b0b0 (7.07:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #28232e as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#28232e reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #28232e
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 #28232e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/28232e-b39cc4-dfda4e-2c1f2d-e9eaf1?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