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
#21211c
#21211c
hex
#21211crgb
rgb(33, 33, 28)hsl
hsl(60, 8%, 12%)oklch
oklch(0.246 0.009 107.1)Closest name: Underworld (#1e231c)Relative luminance 0.0149
Tints & shades
Harmonies
Contrast
| #21211c as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 16.17:1 | pass | pass | pass | Passes AAA — no fix needed. |
Aaon black | 1.3:1 | 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 #21211c as the background.
Brands using this color
- Todoisttext · #25221e · Δ0.93
- Coheretext · #212121 · Δ0.939
- Postmantext · #212121 · Δ0.939
- ClickUptext · #202020 · Δ0.952
- Airbnbtext · #222222 · Δ1.102
- GitLabtext · #1f1f1f · Δ1.135
- HubSpottext · #1f1f1f · Δ1.135
- Figmatext · #1e1e1e · Δ1.426
- Retoolprimary · #242424 · Δ1.71
- Cursortext · #26251e · Δ1.756
- BrandSweetstext · #241c14 · Δ1.855
Palettes built around it
Fresh Juice
Open in tool →Orange, mango and mint — a sugar rush; keep the type black so it stays legible under all that color.
Forest Floor
Open in tool →Moss and bark with a mushroom-cap amber — grounded and quiet, made for long-form nature content.
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.
Playground
Open in tool →Orange, blue and green — the colors of playground equipment; loud, cheerful, obviously for kids.
Retro Pop
Open in tool →Fifties-diner red and steel blue with a peach — nostalgic pop that still passes contrast.
Paper & Pine
Open in tool →Deep pine on paper-white with a marmalade accent — a quiet, sustainable-brand palette that isn't beige.
Fonts for this mood
#21211c reads as muted, dark, luxury. The font library is tagged with the same vocabulary:
mcpConnect your agent — build around #21211c
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 #21211c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
tool url
/palettes/new/21211c-bbbea2-4e94df-272d1f-f1ede9?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