Bookshop
Open in tool →Chestnut and forest on cream read like a cloth-bound spine; the palette recedes so covers and type do the talking.
Color
#2b2121
#2b2121
hex
#2b2121rgb
rgb(43, 33, 33)hsl
hsl(0, 13%, 15%)oklch
oklch(0.26 0.015 18.2)Closest name: Dark Orchestra (#251b19)Relative luminance 0.0171
Tints & shades
Harmonies
Contrast
| #2b2121 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 15.65:1 | pass | pass | pass | Passes AAA — no fix needed. |
Aaon black | 1.34:1 | fail | fail | fail |
Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2b2121 as the background.
Brands using this color
Palettes built around it
Wellness
Open in tool →Sage and terracotta feel natural and calm — the anti-hospital palette for wellbeing brands.
Crayon Box
Open in tool →Red, teal and yellow at crayon saturation — joyful, but on white with black type so it stays readable for grown-ups.
Retro Pop
Open in tool →Fifties-diner red and steel blue with a peach — nostalgic pop that still passes contrast.
Fonts for this mood
#2b2121 reads as warm, muted, dark. The font library is tagged with the same vocabulary:
mcpConnect your agent — build around #2b2121
live endpointPoint 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.
endpoint
https://mcp.brandsweets.com/colors/mcpclaude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt
›analyze #2b2121 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
tool url
/palettes/new/2b2121-c4a19c-62cb98-2d251f-f1e9ed?lock=0&style=vibrantWant the agent to remember your picks and write them into a living brand? Create a free BrandSweets workspace.
Machine-readable: color.md