Color
#0a4e8a
#0a4e8argb(10, 78, 138)hsl(208, 86%, 29%)oklch(0.419 0.117 251.5)Colors that go with #0a4e8a
Crimson, Midnight Blue and Sienna 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.
Crimson #dc143c
triadicshippedCrimson completes a triad with #0a4e8a — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash.
Midnight Blue #191970
shippedMidnight Blue is paired with #0a4e8a in 5 real palettes, including First Snow and Fintech Trust, as the text colour against it — a combination designers have actually shipped, not a computed rotation.
Sienna #a0522d
complementarySienna sits directly opposite #0a4e8a on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Cadet Blue #5f9ea0
shippedCadet Blue is paired with #0a4e8a in 3 real palettes, including Open House and Dusk, as the supporting colour — a combination designers have actually shipped, not a computed rotation.
Charcoal #36454f
neutralshippedCharcoal is the text near-black for #0a4e8a: softer than #000 and cool enough to feel like part of the same palette.
Medium Sea Green #3cb371
shippedMedium Sea Green is paired with #0a4e8a in 3 real palettes, including Fintech Trust and Console Light, as the accent — a combination designers have actually shipped, not a computed rotation.
Powder Blue #b0e0e6
shippedPowder Blue is paired with #0a4e8a in 3 real palettes, including First Snow and Glacier, as the accent — a combination designers have actually shipped, not a computed rotation.
Steel Blue #4682b4
shippedSteel Blue is paired with #0a4e8a in 3 real palettes, including Glacier and Fintech Trust, as the lead colour — a combination designers have actually shipped, not a computed rotation.
Real palettes that use #0a4e8a
Tints & shades
Harmonies
Contrast
| #0a4e8a as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 8.5:1 | pass | pass | pass | Passes AAA — no fix needed. |
Aaon black | 2.47:1 | 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 #0a4e8a 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
#0a4e8a 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 #0a4e8a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/0a4e8a-9cadc4-df4e51-1f212d-e9f1f1?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