What color is #346366?

#346366 is a dark, muted cyan. In RGB it is rgb(52, 99, 102), and in HSL hsl(184, 32%, 30%).

Is #346366 accessible as text?

On white, #346366 has a contrast ratio of 6.73:1 (passes WCAG AA for body text); on black it is 3.12:1 (fails). For text placed on #346366, use white for the best readability.

What is the closest Tailwind color to #346366?

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

What colors go well with #346366?

#346366 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #653734. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #346366 below.

Is #346366 good for buttons?

#346366 works well for buttons and highlights, but use white text on #346366 — black text only reaches 3.12:1, below the 4.5:1 needed for normal-size labels.

Is #346366 the same as CSS darkslategray?

No — #346366 is not the CSS named color darkslategray, but darkslategray (#2F4F4F) is the closest CSS named color.

#346366 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #346366

Not just a swatch — here's how #346366 works with other colors. Named schemes with #346366 in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #346366 Accent #A6C4BE Surface #DFDABE Secondary #9AA0A0 Anchor #1D3549

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 #346366 Secondary #AEB4B8 Surface #F1F2F0 Support #7A94A5 Anchor #2E3236

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

Tech Product Signal · 5 colors

Signal #346366 Surface #14161A Highlight #F4F6F8 Secondary #596771 Accent #5B8588

Feldgrau is the vivid signal in this product UI — on a near-black surface with cool white, a slate grey and a lighter tint of Feldgrau.

Vintage Leather Lead · 5 colors

Lead #346366 Secondary #715017 Surface #E3DCC0 Accent #395143 Anchor #552340

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.

Minimal Editorial Surface · 5 colors

Surface #F6F4EF Accent #346366 Secondary #778687 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.

Build a working theme in the generator →

Color Lab

How #346366 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 37/100

Cool

Reads cool and recessive — calming, technical, good for trust-led UI.

Softness 45/100

Moderate

Middle-weight — neither delicate nor heavy.

Depth 51/100

Moderate

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

Naturalness 6/100

Very low

Reads engineered rather than organic — synthetic, digital.

Vintage feel 44/100

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 20/100

Very low

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

UI accent fit 68/100

High

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

Surface fit 39/100

Low

Usable as a tinted surface in measured doses.

Print safety 87/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #346366

For UI

For branding

For interior

For fashion

People also use #346366 with

Viridian Charcoal Garnet Platinum Dark Slate Gray

UI roles & guardrails

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

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 6.7:1. Use

Subtle surface Use #D3E2E4 for cards and hover fills. Tint 80

Avoid beside #345165 — 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 #346366 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: #346366;
  --color-base-rgb: 52 99 102;
  --color-base-oklch: oklch(46.8% 0.052 200.9);
  --color-50: #F5FAFA;
  --color-100: #E4F1F2;
  --color-200: #C9E1E3;
  --color-300: #A3C9CC;
  --color-400: #7FB0B3;
  --color-500: #5E9397;
  --color-600: #4D7275;
  --color-700: #3A5354;
  --color-800: #293738;
  --color-900: #1A2223;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  feldgrau: {
    50: '#F5FAFA',
    100: '#E4F1F2',
    200: '#C9E1E3',
    300: '#A3C9CC',
    400: '#7FB0B3',
    500: '#5E9397',
    600: '#4D7275',
    700: '#3A5354',
    800: '#293738',
    900: '#1A2223',
  },
}

$base: #346366;
$base-ink: #FFFFFF;
$base-50: #F5FAFA;
$base-100: #E4F1F2;
$base-200: #C9E1E3;
$base-300: #A3C9CC;
$base-400: #7FB0B3;
$base-500: #5E9397;
$base-600: #4D7275;
$base-700: #3A5354;
$base-800: #293738;
$base-900: #1A2223;
$base-hover: #2A4E51;
$base-subtle: #BCD5D6;

{
    "color": {
        "base": {
            "value": "#346366",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F5FAFA",
                "type": "color"
            },
            "100": {
                "value": "#E4F1F2",
                "type": "color"
            },
            "200": {
                "value": "#C9E1E3",
                "type": "color"
            },
            "300": {
                "value": "#A3C9CC",
                "type": "color"
            },
            "400": {
                "value": "#7FB0B3",
                "type": "color"
            },
            "500": {
                "value": "#5E9397",
                "type": "color"
            },
            "600": {
                "value": "#4D7275",
                "type": "color"
            },
            "700": {
                "value": "#3A5354",
                "type": "color"
            },
            "800": {
                "value": "#293738",
                "type": "color"
            },
            "900": {
                "value": "#1A2223",
                "type": "color"
            }
        }
    }
}

Palettes built on #346366

Color Lab

Pairs with #346366

UI roles & guardrails

In real applications

Scales

Every model

Export