Sapphire & Gold
Open in tool →Deep sapphire and gold with a teal — old-money jewel tones on an ivory ground; heraldic without a crest.
Color
#233c85
#233c85
hex
#233c85rgb
rgb(35, 60, 133)hsl
hsl(225, 58%, 33%)oklch
oklch(0.381 0.126 266.2)Closest name: Deep Space Royal (#223382)Relative luminance 0.0528
Colors that go with #233c85
Charcoal, Steel Blue and 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 #233c85: softer than #000 and cool enough to feel like part of the same palette.
Steel Blue #4682b4
analogousshippedSteel Blue is #233c85's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces.
Blue #0000ff
shippedBlue is paired with #233c85 in 4 real palettes, including CVS's brand system and Procter & Gamble's brand system, as the supporting colour — a combination designers have actually shipped, not a computed rotation.
Cornflower Blue #6495ed
shippedCornflower Blue is paired with #233c85 in 4 real palettes, including Blue Mono and Peacock's brand system, as the supporting colour — a combination designers have actually shipped, not a computed rotation.
Crimson #dc143c
shippedCrimson is paired with #233c85 in 9 real palettes, including Casper Sleep's brand system and Marvel's brand system, as the lead colour — a combination designers have actually shipped, not a computed rotation.
Denim #1560bd
shippedDenim is paired with #233c85 in 11 real palettes, including Hasbro's brand system and General Mills's brand system, as the supporting colour — a combination designers have actually shipped, not a computed rotation.
Orange Red #ff4500
shippedOrange Red is paired with #233c85 in 4 real palettes, including Tide's brand system and Tumblr's brand system, as the accent — a combination designers have actually shipped, not a computed rotation.
Royal Blue #4169e1
shippedRoyal Blue is paired with #233c85 in 10 real palettes, including Nivea's brand system and Carrefour's brand system, as the supporting colour — a combination designers have actually shipped, not a computed rotation.
Real palettes that use #233c85
Tints & shades
Harmonies
Contrast
| #233c85 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 10.21:1 | pass | pass | pass | Passes AAA — no fix needed. |
Aaon black | 2.06:1 | 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 #233c85 as the background.
Brands using this color
No public brand in the corpus uses this exact color yet. Extract a brand to add one.
Palettes built around it
Fonts for this mood
#233c85 reads as cool, modern. The font library is tagged with the same vocabulary:
mcpConnect your agent — build around #233c85
live endpointPoint 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.
endpoint
https://mcp.brandsweets.com/colors/mcpclaude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt
›analyze #233c85 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
tool url
/palettes/new/233c85-9ca1c4-df754e-221f2d-e9eff1?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