# #478b90

A color — cool, muted. Deterministic analysis from BrandSweets (no inference).

## Values

- Hex: `#478b90`
- RGB: rgb(71, 139, 144)
- HSL: hsl(184, 34%, 42%)
- OKLCH: oklch(0.594 0.069 201.8)
- Relative luminance: 0.2182
- Nearest named color: Highlands (#449084, Δ 2.772) — https://brandsweets.com/colors/highlands
- Moods: cool, muted
- Page: https://brandsweets.com/colors/478b90

## Tints & shades

- Tints (toward white): #519ea4, #5eaab0, #73b5ba, #84bec2, #98c9cd, #add4d7, #bedddf, #d3e8e9, #e4f1f2, #f8fbfc
- Shades (toward black): #407d82, #397074, #34666a, #2d595c, #274c4f, #203f41, #193233, #142829, #0d1a1b, #070d0e

## Harmonies

- Complementary: #904c47
- Analogous: #479070, #476690
- Triadic: #90478b, #8b9047
- Split-complementary: #904766, #907047
- Tetradic: #704790, #904c47, #669047

## Colors that go with #478b90

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

- **Charcoal** #36454f [role, pool] — Charcoal is the text near-black for #478b90: softer than #000 and cool enough to feel like part of the same palette. Seen in: Tide Pool (https://brandsweets.com/palettes/cool#tide-pool), Beach Hut (https://brandsweets.com/palettes/light#beach-hut), Coastal (https://brandsweets.com/palettes/cool#coastal), Bloomberg (https://brandsweets.com/colors/brands/bloomberg-com). — https://brandsweets.com/colors/charcoal
- **Copper** #b87333 [harmony, pool: split] — Copper is a split-complement of #478b90: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Riverbed (https://brandsweets.com/palettes/muted#riverbed), Wellness (https://brandsweets.com/palettes/warm#wellness), Clean Beauty (https://brandsweets.com/palettes/minimal#clean-beauty), Atelier (https://brandsweets.com/palettes/elegant#atelier). — https://brandsweets.com/colors/copper
- **Cobalt Blue** #0047ab [pool] — Designers have shipped Cobalt Blue with #478b90: 5 real palettes, including Intel's brand system and Ink & Paper, as the lead colour. Seen in: Intel (https://brandsweets.com/colors/brands/intel-com), Ink & Paper (https://brandsweets.com/palettes/minimal#ink-and-paper), Hershey's (https://brandsweets.com/colors/brands/hersheys-com), Glacier (https://brandsweets.com/palettes/cool#glacier). — https://brandsweets.com/colors/cobalt
- **Crimson** #dc143c [pool] — Crimson is paired with #478b90 in 9 real palettes, including Redfin's brand system and Diner, as the lead colour. Seen in: Redfin (https://brandsweets.com/colors/brands/redfin-com), Diner (https://brandsweets.com/palettes/vivid#diner), Retro Pop (https://brandsweets.com/palettes/playful#retro-pop), Five Guys (https://brandsweets.com/colors/brands/fiveguys-com). — https://brandsweets.com/colors/crimson
- **Denim** #1560bd [pool] — Designers have shipped Denim with #478b90: 13 real palettes, including Peacock and Campus, as the supporting colour. Seen in: Peacock (https://brandsweets.com/palettes/vivid#peacock), Campus (https://brandsweets.com/palettes/friendly#campus), Intel (https://brandsweets.com/colors/brands/intel-com), Jack Daniel's (https://brandsweets.com/colors/brands/jackdaniels-com). — https://brandsweets.com/colors/denim
- **Firebrick** #b22222 [pool] — Designers have shipped Firebrick with #478b90: 4 real palettes, including Wendy's's brand system and Newsprint, as the supporting colour. Seen in: Wendy's (https://brandsweets.com/colors/brands/wendys-com), Newsprint (https://brandsweets.com/palettes/editorial#newsprint), Honda (https://brandsweets.com/colors/brands/honda-com), AT&T (https://brandsweets.com/colors/brands/att-com). — https://brandsweets.com/colors/firebrick
- **Goldenrod** #daa520 [pool] — Goldenrod shows up next to #478b90 in 5 real palettes, including Ledger Dark and Noir Beauty, as the lead colour. Seen in: Ledger Dark (https://brandsweets.com/palettes/dark#ledger-dark), Noir Beauty (https://brandsweets.com/palettes/dark#noir-beauty), Sapphire & Gold (https://brandsweets.com/palettes/luxury#sapphire-and-gold), Mid-Century (https://brandsweets.com/palettes/warm#mid-century). — https://brandsweets.com/colors/goldenrod
- **Midnight Blue** #191970 [pool] — 10 real palettes, including Tide Pool and Ford's brand system put Midnight Blue beside #478b90, as that palette's text colour. Seen in: Tide Pool (https://brandsweets.com/palettes/cool#tide-pool), Ford (https://brandsweets.com/colors/brands/ford-com), Plaid (https://brandsweets.com/colors/brands/plaid-com), Paramount+ (https://brandsweets.com/colors/brands/paramountplus-com). — https://brandsweets.com/colors/midnightblue

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

- On white (#ffffff): 3.92:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #407d82 (4.69:1); AA: background → #171717 (4.58:1); AAA: text → #316063 (7.04:1)
- On black (#000000): 5.36:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #52a2a7 (7.08:1)

## Curated palettes containing it

- **Rain Garden** (spring, cool, muted, calm) — #4f8a8b, #a5c9a1, #f2b5a7, #f6f9f7, #1f3331 — Wet-leaf teal and moss with a soft peach — an overcast spring, calmer than the bright version and better for long reading. — tool: https://brandsweets.com/palettes/new/4f8a8b-a5c9a1-f2b5a7-f6f9f7-1f3331 — collection: https://brandsweets.com/palettes/spring

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/478b90-a2b9be-df4e8a-1f262d-e9f1ee?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: "#478b90" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.