Color

#212435

#212435
hex#212435
rgbrgb(33, 36, 53)
hslhsl(231, 23%, 17%)
oklchoklch(0.265 0.032 276.3)
Closest name: Black Velvet (#222233)Relative luminance 0.0184

Tints & shades

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

Harmonies

Complementary

Open in tool →

#353221

#212e35 · #282135

#352124 · #243521

Split-complementary

Open in tool →

#352821 · #2e3521

#35212e · #353221 · #213528

Contrast

#212435 as textRatioAAAA largeAAAFix
Aaon white
15.35:1passpasspassPasses AAA — no fix needed.
Aaon black
1.37:1failfailfail
  • AA: use #6c74a3 as the text (4.66:1)
  • AAA: use #8e94b8 as the text (7.08:1)
  • AA: or shift the background to #8c8c8c (4.56:1)
  • AAA: or shift the background to #b0b0b0 (7.08:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #212435 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

#212435 reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #212435
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 #212435 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/212435-9c9ec4-df834e-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