# #272f4e

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

## Values

- Hex: `#272f4e`
- RGB: rgb(39, 47, 78)
- HSL: hsl(228, 33%, 23%)
- OKLCH: oklch(0.313 0.057 271.8)
- Relative luminance: 0.0301
- Nearest named color: Deep Sea Base (#2c2c57, Δ 2.171) — https://brandsweets.com/colors/deep-sea-base
- Moods: cool, muted, dark, luxury, bold
- Page: https://brandsweets.com/colors/272f4e

## Tints & shades

- Tints (toward white): #353f69, #414e81, #4f5e9c, #606faf, #7b88bc, #929dc8, #aeb6d6, #c5cbe2, #e0e4f0, #f8f9fc
- Shades (toward black): #242b47, #202740, #1d233a, #1a1f33, #181d2f, #151929, #111422, #0e101b, #0a0c14, #07080e

## Harmonies

- Complementary: #4e4627
- Analogous: #27424e, #33274e
- Triadic: #4e272f, #2f4e27
- Split-complementary: #4e3327, #424e27
- Tetradic: #4e2742, #4e4627, #274e33

## Colors that go with #272f4e

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

- **Dark Olive Green** #556b2f [harmony, pool: complementary] — Dark Olive Green sits directly opposite #272f4e on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: 7-Eleven (https://brandsweets.com/colors/brands/7-eleven-com), Olive Grove (https://brandsweets.com/palettes/muted#olive-grove), Oatmeal (https://brandsweets.com/palettes/neutral#oatmeal), Cohere (https://brandsweets.com/colors/brands/cohere-com). — https://brandsweets.com/colors/darkolivegreen
- **Sea Green** #2e8b57 [harmony, pool: triadic] — Sea Green completes a triad with #272f4e — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Asana (https://brandsweets.com/colors/brands/asana-com), Subaru (https://brandsweets.com/colors/brands/subaru-com), Jack Daniel's (https://brandsweets.com/colors/brands/jackdaniels-com), Mushroom (https://brandsweets.com/palettes/neutral#mushroom). — https://brandsweets.com/colors/seagreen
- **Sienna** #a0522d [harmony, pool: split] — Sienna is a split-complement of #272f4e: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Olive Grove (https://brandsweets.com/palettes/muted#olive-grove), Woodsmoke (https://brandsweets.com/palettes/dark#woodsmoke), Harvest (https://brandsweets.com/palettes/warm#harvest), BrandSweets (https://brandsweets.com/colors/brands/brandsweets). — https://brandsweets.com/colors/sienna
- **Slate Blue** #6a5acd [harmony, pool: analogous] — Slate Blue is #272f4e's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces. Seen in: Marvel (https://brandsweets.com/colors/brands/marvel-com), Superhuman (https://brandsweets.com/colors/brands/superhuman-com), GitLab (https://brandsweets.com/colors/brands/gitlab), Indigo SaaS (https://brandsweets.com/palettes/modern#indigo-saas). — https://brandsweets.com/colors/slateblue
- **Steel Blue** #4682b4 [harmony, pool: analogous] — Steel Blue is #272f4e's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces. Seen in: Discover (https://brandsweets.com/colors/brands/discover-com), Beach Hut (https://brandsweets.com/palettes/light#beach-hut), Plaid (https://brandsweets.com/colors/brands/plaid-com), Astro (https://brandsweets.com/colors/brands/astro-build). — https://brandsweets.com/colors/steelblue
- **Amber** #ffbf00 [pool] — Amber is paired with #272f4e in 8 real palettes, including Beach Hut and McDonald's's brand system, as the supporting colour. Seen in: Beach Hut (https://brandsweets.com/palettes/light#beach-hut), McDonald's (https://brandsweets.com/colors/brands/mcdonalds-com), Southwest Airlines (https://brandsweets.com/colors/brands/southwest-com), Wikipedia (https://brandsweets.com/colors/brands/wikipedia-org). — https://brandsweets.com/colors/amber
- **Blue** #0000ff [pool] — 16 real palettes, including Sketch's brand system and Minecraft's brand system put Blue beside #272f4e, as the accent. Seen in: Sketch (https://brandsweets.com/colors/brands/sketch-com), Minecraft (https://brandsweets.com/colors/brands/minecraft-net), Monzo (https://brandsweets.com/colors/brands/monzo-com), Headspace (https://brandsweets.com/colors/brands/headspace-com). — https://brandsweets.com/colors/blue
- **White Smoke** #f5f5f5 [role] — White Smoke is the surface for #272f4e: 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): 13.1:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 1.6:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #6372b0 (4.56:1); AA: background → #999999 (4.6:1); AAA: text → #8894c3 (7.07:1); AAA: background → #bfbfbf (7.12:1)

## Curated palettes containing it

- **Tide Pool** (ocean, cool, light, clean) — #1b998b, #2d3047, #ff9b71, #f4fbf9, #1e2333 — Sea-green and slate with a coral — a literal tide pool: two cool tones, one warm creature. — tool: https://brandsweets.com/palettes/new/1b998b-2d3047-ff9b71-f4fbf9-1e2333 — collection: https://brandsweets.com/palettes/ocean

## Fonts for this mood

- 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/272f4e-9c9fc4-df7c4e-231f2d-e9eff1?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: "#272f4e" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.