Heatwave
Open in tool →Blaze orange and hot yellow with one cold blue — the high-noon palette; use the blue where the eye needs to rest.
Color
#211402
#211402
hex
#211402rgb
rgb(33, 20, 2)hsl
hsl(35, 89%, 7%)oklch
oklch(0.204 0.039 75.3)Closest name: Noir Mystique (#1f180a)Relative luminance 0.0083
Colors that go with #211402
Charcoal, Royal Blue and Rust 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 body-text near-black for #211402: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy.
Royal Blue #4169e1
complementaryshippedRoyal Blue sits directly opposite #211402 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Rust #b7410e
analogousshippedRust is #211402's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces.
Slate Blue #6a5acd
split-complementshippedSlate Blue is a split-complement of #211402: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Teal #008080
split-complementshippedTeal is a split-complement of #211402: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Amber #ffbf00
shippedAmber is paired with #211402 in 18 real palettes, including Heatwave and Trailhead, as the supporting colour.
Blue #0000ff
shipped23 real palettes, including CVS's brand system and Signal's brand system put Blue beside #211402, as the supporting colour.
Blue Violet #8a2be2
shippedBlue Violet is paired with #211402 in 10 real palettes, including Yahoo's brand system and Prepare your taste buds...'s brand system, as the supporting colour.
Real palettes that use #211402
Tints & shades
Harmonies
Contrast
| #211402 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 18.02:1 | pass | pass | pass | Passes AAA — no fix needed. |
Aaon black | 1.17:1 | 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 #211402 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
#211402 reads as warm, vivid, dark. The font library is tagged with the same vocabulary:
mcpConnect your agent — build around #211402
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 #211402 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
tool url
/palettes/new/211402-c4b89c-62c0cb-2d2d1f-f1eae9?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