Chalkboard
Open in tool →Slate green with chalk cream and a coral — nostalgic without being twee.
Color
#132a21
#132a21
hex
#132a21rgb
rgb(19, 42, 33)hsl
hsl(157, 38%, 12%)oklch
oklch(0.263 0.034 166.5)Closest name: Underworld (#1e231c)Relative luminance 0.019
Colors that go with #132a21
Charcoal, Rust and Sea Green lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.
Charcoal #36454f
neutralshippedCharcoal is the text near-black for #132a21: softer than #000 and cool enough to feel like part of the same palette.
Rust #b7410e
split-complementshippedRust is a split-complement of #132a21: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Sea Green #2e8b57
analogousshippedSea Green is #132a21's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces.
Sienna #a0522d
triadicshippedSienna completes a triad with #132a21 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash.
Slate Blue #6a5acd
triadicshippedSlate Blue completes a triad with #132a21 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash.
Teal #008080
analogousshippedTeal is #132a21's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces.
Medium Violet Red #c71585
complementaryshippedMedium Violet Red sits directly opposite #132a21 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Amber #ffbf00
shippedAmber is paired with #132a21 in 18 real palettes, including Wikipedia's brand system and McDonald's's brand system, as the accent.
Real palettes that use #132a21
Tints & shades
Harmonies
Contrast
| #132a21 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 15.21:1 | pass | pass | pass | Passes AAA — no fix needed. |
Aaon black | 1.38:1 | 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 #132a21 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
#132a21 reads as dark, luxury, bold. The font library is tagged with the same vocabulary:
mcpConnect your agent — build around #132a21
live endpointPoint any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.
endpoint
https://mcp.brandsweets.com/colors/mcpclaude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt
›analyze #132a21 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
tool url
/palettes/new/132a21-a2beb7-d459c4-1f2c2d-e9f1ea?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