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
#272121
#272121
hex
#272121rgb
rgb(39, 33, 33)hsl
hsl(0, 8%, 14%)oklch
oklch(0.255 0.009 17.8)Closest name: Underworld (#1e231c)Relative luminance 0.0163
Tints & shades
Harmonies
Contrast
| #272121 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 15.84:1 | pass | pass | pass | Passes AAA — no fix needed. |
Aaon black | 1.33:1 | 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 #272121 as the background.
Brands using this color
- Todoisttext · #25221e · Δ0.861
- Airbnbtext · #222222 · Δ0.955
- Retoolprimary · #242424 · Δ1.084
- Coheretext · #212121 · Δ1.144
- Postmantext · #212121 · Δ1.144
- ClickUptext · #202020 · Δ1.436
- Cloudflaretext · #262626 · Δ1.678
- Obsidiantext · #262626 · Δ1.678
- Sveltetext · #262626 · Δ1.678
- Zedtext · #242529 · Δ1.683
- Cursortext · #26251e · Δ1.698
- GitLabtext · #1f1f1f · Δ1.783
- HubSpottext · #1f1f1f · Δ1.783
- GitHubtext · #1f2328 · Δ1.794
- Datadogtext · #212529 · Δ1.85
Palettes built around it
Wellness
Open in tool →Sage and terracotta feel natural and calm — the anti-hospital palette for wellbeing brands.
Fresh Juice
Open in tool →Orange, mango and mint — a sugar rush; keep the type black so it stays legible under all that color.
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
#272121 reads as muted, dark, luxury. The font library is tagged with the same vocabulary:
mcpConnect your agent — build around #272121
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 #272121 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
tool url
/palettes/new/272121-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