# #104d7f

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

## Values

- Hex: `#104d7f`
- RGB: rgb(16, 77, 127)
- HSL: hsl(207, 78%, 28%)
- OKLCH: oklch(0.411 0.102 248.8)
- Relative luminance: 0.0695
- Nearest named color: Assassin (#2d4f83, Δ 2.569) — https://brandsweets.com/colors/assassin
- Moods: cool, vivid, dark, technical, modern, luxury, bold
- Page: https://brandsweets.com/colors/104d7f

## Tints & shades

- Tints (toward white): #14609f, #1873bf, #1b87de, #3798e6, #57a8ea, #77b8ee, #97c9f2, #b6d9f6, #d6eafa, #f6fafe
- Shades (toward black): #0f4776, #0d3f68, #0c3a5f, #0a3152, #092c49, #082640, #061e32, #051929, #03101b, #020b12

## Harmonies

- Complementary: #7f4210
- Analogous: #107f7a, #10157f
- Triadic: #7f104d, #4d7f10
- Split-complementary: #7f1015, #7f7a10
- Tetradic: #7a107f, #7f4210, #157f10

## Colors that go with #104d7f

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: triadic] — Crimson completes a triad with #104d7f — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Walgreens (https://brandsweets.com/colors/brands/walgreens-com), Codecademy (https://brandsweets.com/colors/brands/codecademy-com), Costco (https://brandsweets.com/colors/brands/costco-com), Marvel (https://brandsweets.com/colors/brands/marvel-com). — https://brandsweets.com/colors/crimson
- **Royal Blue** #4169e1 [harmony, pool: analogous] — Royal Blue is #104d7f's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces. Seen in: Nokia (https://brandsweets.com/colors/brands/nokia-com), Motorola (https://brandsweets.com/colors/brands/motorola-com), Carrefour (https://brandsweets.com/colors/brands/carrefour-com), Zoom (https://brandsweets.com/colors/brands/zoom-us). — https://brandsweets.com/colors/royalblue
- **Blue** #0000ff [pool] — 7 real palettes, including CVS's brand system and Alaska Airlines's brand system put Blue beside #104d7f, as the supporting colour. Seen in: CVS (https://brandsweets.com/colors/brands/cvs-com), Alaska Airlines (https://brandsweets.com/colors/brands/alaskaair-com), Tesco (https://brandsweets.com/colors/brands/tesco-com), Procter & Gamble (https://brandsweets.com/colors/brands/pg-com). — https://brandsweets.com/colors/blue
- **Cadet Blue** #5f9ea0 [pool] — Designers have shipped Cadet Blue with #104d7f: 4 real palettes, including Dusk and Open House, as the supporting colour. Seen in: Dusk (https://brandsweets.com/palettes/cool#dusk), Open House (https://brandsweets.com/palettes/clean#open-house), Alpine (https://brandsweets.com/palettes/cool#alpine), Paper & Pine (https://brandsweets.com/palettes/minimal#paper-and-pine). — https://brandsweets.com/colors/cadetblue
- **Cornflower Blue** #6495ed [pool] — Designers have shipped Cornflower Blue with #104d7f: 4 real palettes, including Blue Mono and Blizzard's brand system, as the supporting colour. Seen in: Blue Mono (https://brandsweets.com/palettes/cool#blue-mono), Blizzard (https://brandsweets.com/colors/brands/blizzard-com), Gopro (https://brandsweets.com/colors/brands/gopro-com), Coca-Cola (https://brandsweets.com/colors/brands/coca-cola-com). — https://brandsweets.com/colors/cornflowerblue
- **Denim** #1560bd [pool] — Designers have shipped Denim with #104d7f: 15 real palettes, including Unilever's brand system and Hinge's brand system, as the accent. Seen in: Unilever (https://brandsweets.com/colors/brands/unilever-com), 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). — https://brandsweets.com/colors/denim
- **Firebrick** #b22222 [pool] — Designers have shipped Firebrick with #104d7f: 4 real palettes, including Nintendo's brand system and Fireside, as the accent. Seen in: Nintendo (https://brandsweets.com/colors/brands/nintendo-com), Fireside (https://brandsweets.com/palettes/dark#fireside), MLB (https://brandsweets.com/colors/brands/mlb-com), Campbell's (https://brandsweets.com/colors/brands/campbells-com). — https://brandsweets.com/colors/firebrick
- **White Smoke** #f5f5f5 [role] — White Smoke is the surface for #104d7f: 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): 8.79:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 2.39:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #1979c8 (4.61:1); AA: background → #bababa (4.53:1); AAA: text → #409ce7 (7.13:1); AAA: background → #e6e6e6 (7.04:1)

## Fonts for this mood

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

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/104d7f-9cadc4-df4e53-1f212d-e9f1f1?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: "#104d7f" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.