Color
#002156
#002156rgb(0, 33, 86)hsl(217, 100%, 17%)oklch(0.264 0.104 259.2)Colors that go with #002156
Charcoal, Crimson and Steel Blue 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 #002156: softer than #000 and cool enough to feel like part of the same palette.
Crimson #dc143c
triadicshippedCrimson completes a triad with #002156 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash.
Steel Blue #4682b4
analogousshippedSteel Blue is #002156's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces.
Amber #ffbf00
shippedAmber is paired with #002156 in 4 real palettes, including Beach Hut and Blueprint, as the supporting colour.
Blue #0000ff
shipped14 real palettes, including Monzo's brand system and Penpot's brand system put Blue beside #002156, as the accent.
Cadet Blue #5f9ea0
shippedDesigners have shipped Cadet Blue with #002156: 8 real palettes, including Open House and Coastal, as the supporting colour.
Cobalt Blue #0047ab
shippedDesigners have shipped Cobalt Blue with #002156: 9 real palettes, including Blue Mono and Fintech Trust, as the lead colour.
Copper #b87333
shippedDesigners have shipped Copper with #002156: 7 real palettes, including Dusk and Wellness, as the accent.
Real palettes that use #002156
Tints & shades
Harmonies
Contrast
| #002156 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 15.53:1 | pass | pass | pass | Passes AAA — no fix needed. |
Aaon black | 1.35:1 | 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 #002156 as the background.
Brands using this color
Fonts for this mood
#002156 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 #002156 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/002156-9ca7c4-df624e-201f2d-e9f0f1?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