Color
#0b0218
#0b0218rgb(11, 2, 24)hsl(265, 85%, 5%)oklch(0.128 0.053 301.8)Colors that go with #0b0218
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 #0b0218: softer than #000 and cool enough to feel like part of the same palette.
Royal Blue #4169e1
analogousshippedRoyal Blue is #0b0218'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 #0b0218: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Teal #008080
triadicshippedTeal completes a triad with #0b0218 — 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 #0b0218 in 13 real palettes, including Southwest Airlines's brand system and Lemon Squeezy's brand system, as the accent.
Blue #0000ff
shipped16 real palettes, including Pfizer's brand system and Glossier's brand system put Blue beside #0b0218, as the supporting colour.
Blue Violet #8a2be2
shippedBlue Violet is paired with #0b0218 in 9 real palettes, including Gemstone and Circuit, as the supporting colour.
Brown #a52a2a
shipped4 real palettes, including Velvet and Garnet put Brown beside #0b0218, as the lead colour.
Real palettes that use #0b0218
Tints & shades
Harmonies
Contrast
| #0b0218 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 20.27:1 | pass | pass | pass | Passes AAA — no fix needed. |
Aaon black | 1.04:1 | 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 #0b0218 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
#0b0218 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 #0b0218 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/0b0218-b19cc4-dfd54e-2b1f2d-e9eaf1?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