# #1c4e5e

A color — cool, dark, luxury, bold, modern. Deterministic analysis from BrandSweets (no inference).

## Values

- Hex: `#1c4e5e`
- RGB: rgb(28, 78, 94)
- HSL: hsl(195, 54%, 24%)
- OKLCH: oklch(0.398 0.059 222.5)
- Relative luminance: 0.065
- Nearest named color: Raging Thunderstorm (#004f63, Δ 1.444) — https://brandsweets.com/colors/raging-thunderstorm
- Moods: cool, dark, luxury, bold, modern
- Page: https://brandsweets.com/colors/1c4e5e

## Tints & shades

- Tints (toward white): #24647a, #2e7e99, #3695b5, #4aa9c9, #66b6d1, #81c3d9, #a1d2e3, #bcdfeb, #dceef4, #f7fbfd
- Shades (toward black): #1a4756, #17414f, #153a47, #13343f, #102d37, #0e272f, #0c2027, #091a1f, #071318, #050d10

## Harmonies

- Complementary: #5e2d1c
- Analogous: #1c5e4e, #1c2d5e
- Triadic: #5e1c4e, #4e5e1c
- Split-complementary: #5e1c2d, #5e4e1c
- Tetradic: #4e1c5e, #5e2d1c, #2d5e1c

## Colors that go with #1c4e5e

Named partners (harmony on the OKLCH wheel, co-occurrence in curated palettes and brand systems, and the neutrals that carry it), best first:

- **Crimson** #dc143c [harmony, pool: split] — Crimson is a split-complement of #1c4e5e: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Codecademy (https://brandsweets.com/colors/brands/codecademy-com), Frost & Ember (https://brandsweets.com/palettes/bold#frost-and-ember), Marvel (https://brandsweets.com/colors/brands/marvel-com), Dunkin' (https://brandsweets.com/colors/brands/dunkindonuts-com). — https://brandsweets.com/colors/crimson
- **Steel Blue** #4682b4 [harmony, pool: analogous] — Steel Blue is #1c4e5e's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces. Seen in: Auth0 (https://brandsweets.com/colors/brands/auth0-com), Plaid (https://brandsweets.com/colors/brands/plaid-com), Capital One (https://brandsweets.com/colors/brands/capitalone-com), Glacier (https://brandsweets.com/palettes/cool#glacier). — https://brandsweets.com/colors/steelblue
- **Teal** #008080 [harmony, pool: analogous] — Teal is #1c4e5e's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces. Seen in: Gusto (https://brandsweets.com/colors/brands/gusto-com), Stanley (https://brandsweets.com/colors/brands/stanley1913-com), N26 (https://brandsweets.com/colors/brands/n26-com), Sapphire & Gold (https://brandsweets.com/palettes/luxury#sapphire-and-gold). — https://brandsweets.com/colors/teal
- **Blue** #0000ff [pool] — 8 real palettes, including Jeep's brand system and Alaska Airlines's brand system put Blue beside #1c4e5e, as the accent. Seen in: Jeep (https://brandsweets.com/colors/brands/jeep-com), Alaska Airlines (https://brandsweets.com/colors/brands/alaskaair-com), Dunkin' (https://brandsweets.com/colors/brands/dunkindonuts-com), Rolex (https://brandsweets.com/colors/brands/rolex-com). — https://brandsweets.com/colors/blue
- **Cadet Blue** #5f9ea0 [pool] — Designers have shipped Cadet Blue with #1c4e5e: 6 real palettes, including Paper & Pine and Dusk, as the supporting colour. Seen in: Paper & Pine (https://brandsweets.com/palettes/minimal#paper-and-pine), Dusk (https://brandsweets.com/palettes/cool#dusk), Open House (https://brandsweets.com/palettes/clean#open-house), Alpine (https://brandsweets.com/palettes/cool#alpine). — https://brandsweets.com/colors/cadetblue
- **Copper** #b87333 [pool] — Designers have shipped Copper with #1c4e5e: 4 real palettes, including Desert Road and Notion's brand system, as the lead colour. Seen in: Desert Road (https://brandsweets.com/palettes/warm#desert-road), Notion (https://brandsweets.com/colors/brands/notion), Dusk (https://brandsweets.com/palettes/cool#dusk), Clean Beauty (https://brandsweets.com/palettes/minimal#clean-beauty). — https://brandsweets.com/colors/copper
- **Denim** #1560bd [pool] — Designers have shipped Denim with #1c4e5e: 12 real palettes, including Hinge's brand system and Jack Daniel's's brand system, as the accent. Seen in: Hinge (https://brandsweets.com/colors/brands/hinge-co), Jack Daniel's (https://brandsweets.com/colors/brands/jackdaniels-com), Starlink (https://brandsweets.com/colors/brands/starlink-com), HP (https://brandsweets.com/colors/brands/hp-com). — https://brandsweets.com/colors/denim
- **White Smoke** #f5f5f5 [role] — White Smoke is the surface for #1c4e5e: a clean near-white with no warm cast, so the cool hue stays clear instead of drifting muddy. — https://brandsweets.com/colors/whitesmoke

## Contrast (WCAG 2.x, as text)

- On white (#ffffff): 9.13:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 2.3:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #2e7e99 (4.56:1); AA: background → #b8b8b8 (4.6:1); AAA: text → #3ba2c4 (7.15:1); AAA: background → #e3e3e3 (7.11:1)

## Brands using this color

- **Codecademy** — secondary #2c4c5c (Δ 1.5) — https://brandsweets.com/colors/brands/codecademy-com

## Fonts for this mood

- luxury: https://brandsweets.com/fonts/mood/luxury
- bold: https://brandsweets.com/fonts/mood/bold
- modern: https://brandsweets.com/fonts/mood/modern

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/1c4e5e-9cb5c4-df4e70-1f242d-e9f1ef?lock=0&style=vibrant
(Humans lock/regenerate in the tool; the URL is the state — read `lock=` back to see what they kept.)

## Connect an agent

Point any MCP client at the BrandSweets colors endpoint for the same engine:

- Endpoint: https://mcp.brandsweets.com/colors/mcp
- Tools: `analyze_color` (e.g. `analyze_color({ color: "#1c4e5e" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.