What color is #3B5E5A?

#3B5E5A is a dark, muted teal. In RGB it is rgb(59, 94, 90), and in HSL hsl(173, 23%, 30%).

Is #3B5E5A accessible as text?

On white, #3B5E5A has a contrast ratio of 7.16:1 (passes WCAG AA for body text); on black it is 2.93:1 (fails). For text placed on #3B5E5A, use white for the best readability.

What is the closest Tailwind color to #3B5E5A?

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

What colors go well with #3B5E5A?

#3B5E5A pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #5E3B3F. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #3B5E5A below.

Is #3B5E5A good for buttons?

#3B5E5A works well for buttons and highlights, but use white text on #3B5E5A — black text only reaches 2.93:1, below the 4.5:1 needed for normal-size labels.

Is #3B5E5A the same as CSS darkslategray?

No — #3B5E5A is not the CSS named color darkslategray, but darkslategray (#2F4F4F) is the closest CSS named color.

#3B5E5A Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #3B5E5A

Not just a swatch — here's how #3B5E5A works with other colors. Named schemes with #3B5E5A in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #3B5E5A Accent #A7C4BD Surface #E0DABE Secondary #9AA0A0 Anchor #1C3549

Feldgrau opens this coastal palette with sea-glass and warm sand alongside it, grounded by driftwood grey and a deep-navy anchor.

Nordic Calm Accent · 5 colors

Accent #3B5E5A Secondary #AEB4B8 Surface #F1F2F0 Support #7994A4 Anchor #2E3236

Feldgrau keeps this Nordic scheme quiet — cool greys and a soft white around it, a muted-blue support and a charcoal anchor.

Vintage Leather Lead · 5 colors

Lead #3B5E5A Secondary #725018 Surface #E4DCC0 Accent #3A5142 Anchor #5B241D

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 #3B5E5A Anchor #382B1E Surface #ECE4D0 Accent #829C71 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.

Minimal Editorial Surface · 5 colors

Surface #F6F4EF Accent #3B5E5A Secondary #758180 Support #979286 Ink #16140F

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 #3B5E5A 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 41/100

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 13/100

Very low

Reads engineered rather than organic — synthetic, digital.

Vintage feel 42/100

Moderate

A faint retro warmth without tipping into sepia.

Luxury 56/100

Moderate

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

Brand distinctiveness 16/100

Very low

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

UI accent fit 61/100

High

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

Surface fit 43/100

Moderate

Usable as a tinted surface in measured doses.

Print safety 90/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #3B5E5A

For UI

For branding

For interior

For fashion

People also use #3B5E5A with

Fern Green Outer Space 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 7.2:1. Use

Subtle surface Use #D5E1E0 for cards and hover fills. Tint 80

Avoid beside #3B565E — 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 #3B5E5A at work across the surfaces designers actually ship.

Website / UI

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Build faster.

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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: #3B5E5A;
  --color-base-rgb: 59 94 90;
  --color-base-oklch: oklch(45.4% 0.041 186.8);
  --color-50: #F5F9F9;
  --color-100: #E6F0EE;
  --color-200: #CDE0DD;
  --color-300: #A9C6C3;
  --color-400: #86ACA8;
  --color-500: #668F8A;
  --color-600: #536F6C;
  --color-700: #3E514F;
  --color-800: #2B3635;
  --color-900: #1B2221;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  feldgrau: {
    50: '#F5F9F9',
    100: '#E6F0EE',
    200: '#CDE0DD',
    300: '#A9C6C3',
    400: '#86ACA8',
    500: '#668F8A',
    600: '#536F6C',
    700: '#3E514F',
    800: '#2B3635',
    900: '#1B2221',
  },
}

$base: #3B5E5A;
$base-ink: #FFFFFF;
$base-50: #F5F9F9;
$base-100: #E6F0EE;
$base-200: #CDE0DD;
$base-300: #A9C6C3;
$base-400: #86ACA8;
$base-500: #668F8A;
$base-600: #536F6C;
$base-700: #3E514F;
$base-800: #2B3635;
$base-900: #1B2221;
$base-hover: #2F4B48;
$base-subtle: #C0D3D1;

{
    "color": {
        "base": {
            "value": "#3B5E5A",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F5F9F9",
                "type": "color"
            },
            "100": {
                "value": "#E6F0EE",
                "type": "color"
            },
            "200": {
                "value": "#CDE0DD",
                "type": "color"
            },
            "300": {
                "value": "#A9C6C3",
                "type": "color"
            },
            "400": {
                "value": "#86ACA8",
                "type": "color"
            },
            "500": {
                "value": "#668F8A",
                "type": "color"
            },
            "600": {
                "value": "#536F6C",
                "type": "color"
            },
            "700": {
                "value": "#3E514F",
                "type": "color"
            },
            "800": {
                "value": "#2B3635",
                "type": "color"
            },
            "900": {
                "value": "#1B2221",
                "type": "color"
            }
        }
    }
}

Palettes built on #3B5E5A

Color Lab

Pairs with #3B5E5A

UI roles & guardrails

In real applications

Scales

Every model

Export