# #427276

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

## Values

- Hex: `#427276`
- RGB: rgb(66, 114, 118)
- HSL: hsl(185, 28%, 36%)
- OKLCH: oklch(0.52 0.053 202.5)
- Relative luminance: 0.145
- Nearest named color: Green Sleeves (#39766c, Δ 2.512) — https://brandsweets.com/colors/green-sleeves
- Moods: cool, muted
- Page: https://brandsweets.com/colors/427276

## Tints & shades

- Tints (toward white): #4d8489, #58979d, #6ca7ac, #80b3b7, #93bec2, #a7cacd, #bad6d8, #d1e4e5, #e5eff0, #f8fbfb
- Shades (toward black): #3d686c, #375e62, #305255, #2a484b, #253f41, #1f3537, #1a2c2e, #121f21, #0d1617, #070d0d

## Harmonies

- Complementary: #764642
- Analogous: #427660, #425876
- Triadic: #764271, #717642
- Split-complementary: #764258, #766042
- Tetradic: #604276, #764642, #587642

## Colors that go with #427276

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 #427276: softer than #000 and cool enough to feel like part of the same palette. 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), Campus (https://brandsweets.com/palettes/friendly#campus). — https://brandsweets.com/colors/charcoal
- **Rust** #b7410e [harmony, pool: complementary] — Rust sits directly opposite #427276 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: Magazine Ochre (https://brandsweets.com/palettes/editorial#magazine-ochre), Gallery (https://brandsweets.com/palettes/editorial#gallery). — https://brandsweets.com/colors/rust
- **Amber** #ffbf00 [pool] — Amber is paired with #427276 in 4 real palettes, including Beach Hut and Lemon Squeezy's brand system, as the supporting colour. Seen in: Beach Hut (https://brandsweets.com/palettes/light#beach-hut), Lemon Squeezy (https://brandsweets.com/colors/brands/lemonsqueezy-com), McDonald's (https://brandsweets.com/colors/brands/mcdonalds-com), Wired (https://brandsweets.com/colors/brands/wired-com). — https://brandsweets.com/colors/amber
- **Blue** #0000ff [pool] — 4 real palettes, including Warp's brand system and Activision's brand system put Blue beside #427276, as the supporting colour. Seen in: Warp (https://brandsweets.com/colors/brands/warp-dev), Activision (https://brandsweets.com/colors/brands/activision-com), Kia (https://brandsweets.com/colors/brands/kia-com), Rolex (https://brandsweets.com/colors/brands/rolex-com). — https://brandsweets.com/colors/blue
- **Champagne** #f7e7ce [pool] — 5 real palettes, including Forest Floor and Darkroom put Champagne beside #427276, as that palette's text colour. Seen in: Forest Floor (https://brandsweets.com/palettes/dark#forest-floor), Darkroom (https://brandsweets.com/palettes/muted#darkroom), BrandSweets (https://brandsweets.com/colors/brands/brandsweets), Coffee Bar (https://brandsweets.com/palettes/dark#coffee-bar). — https://brandsweets.com/colors/champagne
- **Cobalt Blue** #0047ab [pool] — Designers have shipped Cobalt Blue with #427276: 6 real palettes, including Ink & Paper and Fintech Trust, as the accent. Seen in: Ink & Paper (https://brandsweets.com/palettes/minimal#ink-and-paper), Fintech Trust (https://brandsweets.com/palettes/cool#fintech-trust), Intel (https://brandsweets.com/colors/brands/intel-com), Glacier (https://brandsweets.com/palettes/cool#glacier). — https://brandsweets.com/colors/cobalt
- **Copper** #b87333 [pool] — Designers have shipped Copper with #427276: 5 real palettes, including Riverbed and Desert Road, as the accent. Seen in: Riverbed (https://brandsweets.com/palettes/muted#riverbed), Desert Road (https://brandsweets.com/palettes/warm#desert-road), Clay & Linen (https://brandsweets.com/palettes/warm#clay-and-linen), Dusk (https://brandsweets.com/palettes/cool#dusk). — https://brandsweets.com/colors/copper
- **Crimson** #dc143c [pool] — Crimson is paired with #427276 in 10 real palettes, including Gemstone and Redfin's brand system, as the accent. Seen in: Gemstone (https://brandsweets.com/palettes/vivid#gemstone), Redfin (https://brandsweets.com/colors/brands/redfin-com), Retro Pop (https://brandsweets.com/palettes/playful#retro-pop), Wendy's (https://brandsweets.com/colors/brands/wendys-com). — https://brandsweets.com/colors/crimson

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

- On white (#ffffff): 5.38:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #375e62 (7.14:1)
- On black (#000000): 3.9:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #497e83 (4.6:1); AA: background → #ebebeb (4.52:1); AAA: text → #62a1a7 (7.18:1)

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/427276-a2b8be-df4e88-1f262d-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: "#427276" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.