Color
#155d89
#155d89rgb(21, 93, 137)hsl(203, 73%, 31%)oklch(0.458 0.098 241.6)Colors that go with #155d89
Charcoal, Royal Blue and Crimson 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 #155d89: softer than #000 and cool enough to feel like part of the same palette.
Royal Blue #4169e1
analogousshippedRoyal Blue is #155d89's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces.
Crimson #dc143c
shippedCrimson is paired with #155d89 in 6 real palettes, including Amazon's brand system and Chase's brand system, as the supporting colour — a combination designers have actually shipped, not a computed rotation.
Firebrick #b22222
shippedFirebrick is paired with #155d89 in 4 real palettes, including Wendy's's brand system and Campbell's's brand system, as the supporting colour — a combination designers have actually shipped, not a computed rotation.
Goldenrod #daa520
shippedGoldenrod is paired with #155d89 in 4 real palettes, including Open House and Sapphire & Gold, as the accent — a combination designers have actually shipped, not a computed rotation.
Midnight Blue #191970
shippedMidnight Blue is paired with #155d89 in 8 real palettes, including FIFA's brand system and Open House, as the lead colour — a combination designers have actually shipped, not a computed rotation.
Orange Red #ff4500
shippedOrange Red is paired with #155d89 in 4 real palettes, including PlanetScale's brand system and Neon's brand system, as the lead colour — a combination designers have actually shipped, not a computed rotation.
Sea Green #2e8b57
shippedSea Green is paired with #155d89 in 4 real palettes, including Lemon Squeezy's brand system and Jack Daniel's's brand system, as the supporting colour — a combination designers have actually shipped, not a computed rotation.
Real palettes that use #155d89
Tints & shades
Harmonies
Contrast
| #155d89 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 7.1:1 | pass | pass | pass | Passes AAA — no fix needed. |
Aaon black | 2.96:1 | 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 #155d89 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
#155d89 reads as cool, vivid, technical. 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 #155d89 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/155d89-9cb0c4-df4e5d-1f222d-e9f1f0?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