Color
#1e577b
#1e577brgb(30, 87, 123)hsl(203, 61%, 30%)oklch(0.437 0.083 240.5)Colors that go with #1e577b
Cadet Blue, Crimson and Goldenrod 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.
Cadet Blue #5f9ea0
shippedCadet Blue is paired with #1e577b in 4 real palettes, including Open House and Dusk, as the supporting colour — a combination designers have actually shipped, not a computed rotation.
Crimson #dc143c
shippedCrimson is paired with #1e577b in 4 real palettes, including Chase's brand system and Gemstone, as the accent — a combination designers have actually shipped, not a computed rotation.
Goldenrod #daa520
shippedGoldenrod is paired with #1e577b in 4 real palettes, including Open House and Fireside, as the accent — a combination designers have actually shipped, not a computed rotation.
Medium Sea Green #3cb371
shippedMedium Sea Green is paired with #1e577b in 4 real palettes, including Console Light and Mint Modern, as the accent — a combination designers have actually shipped, not a computed rotation.
Midnight Blue #191970
shippedMidnight Blue is paired with #1e577b in 5 real palettes, including First Snow and Open House, as the text colour against it — a combination designers have actually shipped, not a computed rotation.
Powder Blue #b0e0e6
shippedPowder Blue is paired with #1e577b in 5 real palettes, including First Snow and Glacier, as the accent — a combination designers have actually shipped, not a computed rotation.
Royal Blue #4169e1
analogousshippedRoyal Blue is #1e577b's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces.
White Smoke #f5f5f5
neutralWhite Smoke is the surface for #1e577b: a clean near-white with no warm cast, so the cool hue stays clear instead of drifting muddy.
Real palettes that use #1e577b
Tints & shades
Harmonies
Contrast
| #1e577b as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 7.76:1 | pass | pass | pass | Passes AAA — no fix needed. |
Aaon black | 2.7:1 | 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 #1e577b 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
#1e577b 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 #1e577b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/1e577b-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