# #5b576b

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

## Values

- Hex: `#5b576b`
- RGB: rgb(91, 87, 107)
- HSL: hsl(252, 10%, 38%)
- OKLCH: oklch(0.468 0.032 294.3)
- Relative luminance: 0.101
- Nearest named color: Fedora (#625665, Δ 1.396) — https://brandsweets.com/colors/fedora
- Moods: cool, muted
- Page: https://brandsweets.com/colors/5b576b

## Tints & shades

- Tints (toward white): #69657b, #78738c, #88849a, #9894a8, #a9a5b6, #b9b6c3, #c9c7d1, #d9d8df, #e9e9ed, #faf9fa
- Shades (toward black): #545062, #4a4757, #43404f, #3a3743, #32303b, #2b2932, #222027, #1a191f, #111014, #0a090b

## Harmonies

- Complementary: #676b57
- Analogous: #575d6b, #65576b
- Triadic: #6b5b57, #576b5b
- Split-complementary: #6b6557, #5d6b57
- Tetradic: #6b575d, #676b57, #576b65

## Colors that go with #5b576b

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

- **Teal** #008080 [harmony, pool: triadic] — Teal completes a triad with #5b576b — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Magazine Ochre (https://brandsweets.com/palettes/editorial#magazine-ochre), Clinic (https://brandsweets.com/palettes/clean#clinic), Gusto (https://brandsweets.com/colors/brands/gusto-com), Stanley (https://brandsweets.com/colors/brands/stanley1913-com). — https://brandsweets.com/colors/teal
- **Champagne** #f7e7ce [pool] — 4 real palettes, including Darkroom and BrandSweets's brand system put Champagne beside #5b576b, as the surface under it. Seen in: Darkroom (https://brandsweets.com/palettes/muted#darkroom), BrandSweets (https://brandsweets.com/colors/brands/brandsweets), Coffee Bar (https://brandsweets.com/palettes/dark#coffee-bar), Bramble (https://brandsweets.com/palettes/muted#bramble). — https://brandsweets.com/colors/champagne
- **Copper** #b87333 [pool] — Designers have shipped Copper with #5b576b: 6 real palettes, including Dusk and Desert Road, as the accent. Seen in: Dusk (https://brandsweets.com/palettes/cool#dusk), Desert Road (https://brandsweets.com/palettes/warm#desert-road), Clay & Linen (https://brandsweets.com/palettes/warm#clay-and-linen), Riverbed (https://brandsweets.com/palettes/muted#riverbed). — https://brandsweets.com/colors/copper
- **Crimson** #dc143c [pool] — Crimson is paired with #5b576b in 5 real palettes, including Codecademy's brand system and Wells Fargo's brand system, as the accent. Seen in: Codecademy (https://brandsweets.com/colors/brands/codecademy-com), Wells Fargo (https://brandsweets.com/colors/brands/wellsfargo-com), Gemstone (https://brandsweets.com/palettes/vivid#gemstone), Retro Pop (https://brandsweets.com/palettes/playful#retro-pop). — https://brandsweets.com/colors/crimson
- **Denim** #1560bd [pool] — Designers have shipped Denim with #5b576b: 7 real palettes, including HP's brand system and The New York Times's brand system, as the accent. Seen in: HP (https://brandsweets.com/colors/brands/hp-com), The New York Times (https://brandsweets.com/colors/brands/nytimes-com), Campus (https://brandsweets.com/palettes/friendly#campus), Hinge (https://brandsweets.com/colors/brands/hinge-co). — https://brandsweets.com/colors/denim
- **Goldenrod** #daa520 [pool] — Goldenrod shows up next to #5b576b in 4 real palettes, including Open House and Mid-Century, as the accent. Seen in: Open House (https://brandsweets.com/palettes/clean#open-house), Mid-Century (https://brandsweets.com/palettes/warm#mid-century), Fireside (https://brandsweets.com/palettes/dark#fireside), Sapphire & Gold (https://brandsweets.com/palettes/luxury#sapphire-and-gold). — https://brandsweets.com/colors/goldenrod
- **Medium Sea Green** #3cb371 [pool] — Medium Sea Green is paired with #5b576b in 5 real palettes, including Console Light and Undergrowth, as the accent. Seen in: Console Light (https://brandsweets.com/palettes/technical#console-light), Undergrowth (https://brandsweets.com/palettes/dark#undergrowth), Fintech Trust (https://brandsweets.com/palettes/cool#fintech-trust), Indigo SaaS (https://brandsweets.com/palettes/modern#indigo-saas). — https://brandsweets.com/colors/mediumseagreen
- **White Smoke** #f5f5f5 [role] — White Smoke is the surface for #5b576b: 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): 6.95:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #595568 (7.18:1)
- On black (#000000): 3.02:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #78738c (4.63:1); AA: background → #d1d1d1 (4.55:1); AAA: text → #9894a8 (7.14:1)

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/5b576b-a99cc4-dfb64e-281f2d-e9ecf1?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: "#5b576b" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.