Color
#263c64
#263c64rgb(38, 60, 100)hsl(219, 45%, 27%)oklch(0.359 0.075 261.5)Colors that go with #263c64
Sienna, Blue and Blush Pink 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.
Sienna #a0522d
complementaryshippedSienna sits directly opposite #263c64 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Blue #0000ff
shipped9 real palettes, including Alaska Airlines's brand system and Dunkin''s brand system put Blue beside #263c64, as the accent.
Blush Pink #e8b4b8
shipped4 real palettes, including Garden Wedding and Rain Garden put Blush Pink beside #263c64, as the supporting colour.
Cadet Blue #5f9ea0
shippedDesigners have shipped Cadet Blue with #263c64: 5 real palettes, including Open House and Coastal, as the supporting colour.
Crimson #dc143c
shippedCrimson is paired with #263c64 in 7 real palettes, including Marvel's brand system and Frost & Ember, as the accent.
Deep Sky Blue #00bfff
shippedDesigners have shipped Deep Sky Blue with #263c64: 4 real palettes, including Lamborghini's brand system and Vimeo's brand system, as the supporting colour.
Denim #1560bd
shippedDesigners have shipped Denim with #263c64: 12 real palettes, including Hasbro's brand system and Hinge's brand system, as the supporting colour.
White Smoke #f5f5f5
neutralWhite Smoke is the surface for #263c64: a clean near-white with no warm cast, so the cool hue stays clear instead of drifting muddy.
Real palettes that use #263c64
Tints & shades
Harmonies
Contrast
| #263c64 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 10.98:1 | pass | pass | pass | Passes AAA — no fix needed. |
Aaon black | 1.91:1 | 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 #263c64 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
#263c64 reads as cool, dark, luxury. 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 #263c64 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/263c64-9ca5c4-df664e-211f2d-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