Color
#28455c
#28455crgb(40, 69, 92)hsl(207, 39%, 26%)oklch(0.378 0.053 243.8)Colors that go with #28455c
Teal, Sienna 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.
Teal #008080
analogousshippedTeal is #28455c's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces.
Sienna #a0522d
complementaryshippedSienna sits directly opposite #28455c on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Blue #0000ff
shipped7 real palettes, including Alaska Airlines's brand system and Dunkin''s brand system put Blue beside #28455c, as the accent.
Blush Pink #e8b4b8
shipped4 real palettes, including Nursery and Garden Wedding put Blush Pink beside #28455c, as the lead colour.
Cadet Blue #5f9ea0
shippedDesigners have shipped Cadet Blue with #28455c: 5 real palettes, including Paper & Pine and Open House, as the supporting colour.
Copper #b87333
shippedDesigners have shipped Copper with #28455c: 5 real palettes, including Notion's brand system and Desert Road.
Crimson #dc143c
shippedCrimson is paired with #28455c in 7 real palettes, including Codecademy's brand system and Frost & Ember, as the accent.
White Smoke #f5f5f5
neutralWhite Smoke is the surface for #28455c: a clean near-white with no warm cast, so the cool hue stays clear instead of drifting muddy.
Real palettes that use #28455c
Tints & shades
Harmonies
Contrast
| #28455c as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 10.02:1 | pass | pass | pass | Passes AAA — no fix needed. |
Aaon black | 2.1:1 | 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 #28455c as the background.
Brands using this color
- Auth0secondary · #27455c · Δ0.113
- Hingesecondary · #27455c · Δ0.113
- Jack Daniel'ssecondary · #27455c · Δ0.113
- Lamborghiniaccent · #27455c · Δ0.113
- Pumaaccent · #27455c · Δ0.113
- Stanleyaccent · #27455c · Δ0.113
- Starlinkprimary · #27455c · Δ0.113
- Zoomaccent · #27455c · Δ0.113
- Tumblrprimary · #304058 · Δ1.708
- Tumblrsecondary · #36465d · Δ1.878
- Codecademyprimary · #1c4454 · Δ1.989
Fonts for this mood
#28455c 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 #28455c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/28455c-9cadc4-df4e53-1f212d-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