Color
#210236
#210236rgb(33, 2, 54)hsl(276, 93%, 11%)oklch(0.198 0.096 306.9)Colors that go with #210236
Charcoal, Royal Blue 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 #210236: softer than #000 and cool enough to feel like part of the same palette.
Royal Blue #4169e1
analogousshippedRoyal Blue is #210236's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces.
Sea Green #2e8b57
split-complementshippedSea Green is a split-complement of #210236: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Sienna #a0522d
triadicshippedSienna completes a triad with #210236 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash.
Teal #008080
triadicshippedTeal completes a triad with #210236 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash.
Amber #ffbf00
shippedAmber is paired with #210236 in 8 real palettes, including Blueprint and Lemon Squeezy's brand system, as the accent — a combination designers have actually shipped, not a computed rotation.
Blue #0000ff
shippedBlue is paired with #210236 in 10 real palettes, including Warp's brand system and Monzo's brand system, as the supporting colour — a combination designers have actually shipped, not a computed rotation.
Blue Violet #8a2be2
shippedBlue Violet is paired with #210236 in 8 real palettes, including Gemstone and Twitch's brand system, as the supporting colour — a combination designers have actually shipped, not a computed rotation.
Real palettes that use #210236
Tints & shades
Harmonies
Contrast
| #210236 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 18.64:1 | pass | pass | pass | Passes AAA — no fix needed. |
Aaon black | 1.13:1 | 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 #210236 as the background.
Brands using this color
No public brand in the corpus uses this exact color yet. Extract a brand to add one.
Fonts for this mood
#210236 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:
Point 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.
https://mcp.brandsweets.com/colors/mcpclaude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
›analyze #210236 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/210236-b99cc4-bfcb62-2d1f2d-eae9f1?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