What color is #3F5F4E?

#3F5F4E is a dark, muted teal-green. In RGB it is rgb(63, 95, 78), and in HSL hsl(148, 20%, 31%).

Is #3F5F4E accessible as text?

On white, #3F5F4E has a contrast ratio of 7.10:1 (passes WCAG AA for body text); on black it is 2.96:1 (fails). For text placed on #3F5F4E, use white for the best readability.

What is the closest Tailwind color to #3F5F4E?

The nearest Tailwind CSS token is mist-600 (#4B585B).

What colors go well with #3F5F4E?

#3F5F4E pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #5F3F50. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #3F5F4E below.

Is #3F5F4E good for buttons?

#3F5F4E works well for buttons and highlights, but use white text on #3F5F4E — black text only reaches 2.96:1, below the 4.5:1 needed for normal-size labels.

Is #3F5F4E the same as CSS darkslategray?

No — #3F5F4E is not the CSS named color darkslategray, but darkslategray (#2F4F4F) is the closest CSS named color by perceptual color distance — it sits in a different color family, so treat it as a rough reference, not a match.

#3F5F4E Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #3F5F4E

Not just a swatch — here's how #3F5F4E works with other colors. Named schemes with #3F5F4E in its natural role, and a note on why the supporting colors balance it.

Botanical Studio Lead · 5 colors

Lead #3F5F4E Secondary #4A6C3E Accent #AC6D00 Surface #EEEAD6 Anchor #3C2F20

Feldgrau leads this botanical set among foliage greens and a terracotta accent, softened by cream and grounded in bark brown.

Vintage Leather Lead · 5 colors

Lead #3F5F4E Secondary #744E1A Surface #E5DBC0 Accent #3B5141 Anchor #5B2320

Feldgrau plays the worn-leather lead, deepened by saddle brown and an oxblood anchor, softened by aged cream and cooled by a muted forest green.

Modern Café Dominant · 5 colors

Dominant #3F5F4E Anchor #382B1E Surface #EDE4D0 Accent #859B6E Secondary #3A3833

Feldgrau anchors this café scheme as the warm mid-tone, lifted by latte cream and a muted sage accent and grounded by espresso brown and a warm charcoal.

Japanese Sand Base · 5 colors

Base #3F5F4E Surface #EDEADC Highlight #F5F1E7 Secondary #B6B09F Ink #2A2723

Feldgrau sets a calm, sun-bleached base here, wrapped in bone and paper off-whites and a soft greige, with a single ink accent for wabi-sabi restraint.

Minimal Editorial Surface · 5 colors

Surface #F7F4EF Accent #3F5F4E Secondary #77827B Support #989286 Ink #17140F

Feldgrau is the single accent in this high-contrast editorial system — set on near-white paper against near-black ink, with a warm grey and a desaturated tint of Feldgrau carrying the quiet middle.

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Color Lab

How #3F5F4E actually behaves in design work — read from its OKLCH lightness, chroma and hue, not just its raw numbers. Ten signals to help you decide where this color earns its place.

Warmth 45/100

Neutral

Balanced temperature — flexible, sits between warm and cool schemes.

Softness 45/100

Moderate

Middle-weight — neither delicate nor heavy.

Depth 52/100

Moderate

Mid depth — usable as an accent or a muted ground.

Naturalness 46/100

Moderate

Loosely natural — an earthy edge without being rustic.

Vintage feel 48/100

Moderate

A faint retro warmth without tipping into sepia.

Luxury 57/100

Moderate

Restrained and premium — deep, quiet, high-end packaging and fashion.

Brand distinctiveness 18/100

Very low

Quiet and neutral — a supporting tone, not a signature.

UI accent fit 64/100

High

Strong interactive accent — visible and can carry a legible label.

Surface fit 41/100

Moderate

Usable as a tinted surface in measured doses.

Print safety 91/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #3F5F4E

For UI

For branding

For interior

For fashion

People also use #3F5F4E with

Fern Green Feldgrau Eggplant Platinum Dark Slate Gray

UI roles & guardrails

Primary action Safe as a filled button with white label. AAA

Body text Passes on white at 16px and above. Pass

Large display Fine for headings 24px+ on white. Pass

Background Pair with white text at 7.1:1. Use

Subtle surface Use #D7E1DB for cards and hover fills. Tint 80

Avoid beside #3F5F59 — the hue gap is too small to read as intentional. Clash

In real applications

Not a swatch to memorise — a color to build with. Here is #3F5F4E at work across the surfaces designers actually ship.

Website / UI

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Dashboard

Revenue

$48.2k ▲ 12%

Brand

AVELINE

Studio

Poster

Nov 14 · 8PM

NIGHT
MARKET

Packaging

BLOOM

Botanical Wash

250 ml

Interior

Every model

Export

:root {
  --color-base: #3F5F4E;
  --color-base-rgb: 63 95 78;
  --color-base-oklch: oklch(45.5% 0.047 160.6);
  --color-50: #F6F9F7;
  --color-100: #E6EFEA;
  --color-200: #CEDED6;
  --color-300: #ABC5B7;
  --color-400: #88AA98;
  --color-500: #698C79;
  --color-600: #546D60;
  --color-700: #3F4F47;
  --color-800: #2C3530;
  --color-900: #1C211E;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  feldgrau: {
    50: '#F6F9F7',
    100: '#E6EFEA',
    200: '#CEDED6',
    300: '#ABC5B7',
    400: '#88AA98',
    500: '#698C79',
    600: '#546D60',
    700: '#3F4F47',
    800: '#2C3530',
    900: '#1C211E',
  },
}

$base: #3F5F4E;
$base-ink: #FFFFFF;
$base-50: #F6F9F7;
$base-100: #E6EFEA;
$base-200: #CEDED6;
$base-300: #ABC5B7;
$base-400: #88AA98;
$base-500: #698C79;
$base-600: #546D60;
$base-700: #3F4F47;
$base-800: #2C3530;
$base-900: #1C211E;
$base-hover: #334C3E;
$base-subtle: #C2D2CA;

{
    "color": {
        "base": {
            "value": "#3F5F4E",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F6F9F7",
                "type": "color"
            },
            "100": {
                "value": "#E6EFEA",
                "type": "color"
            },
            "200": {
                "value": "#CEDED6",
                "type": "color"
            },
            "300": {
                "value": "#ABC5B7",
                "type": "color"
            },
            "400": {
                "value": "#88AA98",
                "type": "color"
            },
            "500": {
                "value": "#698C79",
                "type": "color"
            },
            "600": {
                "value": "#546D60",
                "type": "color"
            },
            "700": {
                "value": "#3F4F47",
                "type": "color"
            },
            "800": {
                "value": "#2C3530",
                "type": "color"
            },
            "900": {
                "value": "#1C211E",
                "type": "color"
            }
        }
    }
}

Palettes built on #3F5F4E

Color Lab

Pairs with #3F5F4E

UI roles & guardrails

In real applications

Scales

Every model

Export