What color is #37546E?

#37546E is a dark, muted blue. In RGB it is rgb(55, 84, 110), and in HSL hsl(208, 33%, 32%).

Is #37546E accessible as text?

On white, #37546E has a contrast ratio of 7.91:1 (passes WCAG AA for body text); on black it is 2.66:1 (fails). For text placed on #37546E, use white for the best readability.

What is the closest Tailwind color to #37546E?

The nearest Tailwind CSS token is cyan-800 (#005F78).

What colors go well with #37546E?

#37546E pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #6D5037. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #37546E below.

Is #37546E good for buttons?

#37546E works well for buttons and highlights, but use white text on #37546E — black text only reaches 2.66:1, below the 4.5:1 needed for normal-size labels.

Is #37546E the same as CSS darkslategray?

No — #37546E is not the CSS named color darkslategray, but darkslategray (#2F4F4F) is the closest CSS named color.

#37546E Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #37546E

Not just a swatch — here's how #37546E works with other colors. Named schemes with #37546E in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #37546E Accent #A5C4C0 Surface #DDDBBF Secondary #9AA0A1 Anchor #20344A

Dark Slate Gray 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 #37546E Secondary #AEB4B8 Surface #F1F2F0 Support #7C93A6 Anchor #2E3236

Dark Slate Gray 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 #37546E Surface #14161A Highlight #F4F6F8 Secondary #5A6672 Accent #5B768F

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

Vintage Leather Lead · 5 colors

Lead #37546E Secondary #7F4438 Surface #E1DDC0 Accent #375245 Anchor #57233C

Dark Slate Gray 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 #37546E Secondary #707A84 Support #969386 Ink #16140F

Dark Slate Gray 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 Dark Slate Gray carrying the quiet middle.

Build a working theme in the generator →

Color Lab

How #37546E 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 34/100

Cool

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

Softness 42/100

Moderate

Middle-weight — neither delicate nor heavy.

Depth 54/100

Moderate

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

Naturalness 0/100

Very low

Reads engineered rather than organic — synthetic, digital.

Vintage feel 41/100

Moderate

A faint retro warmth without tipping into sepia.

Luxury 59/100

Moderate

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

Brand distinctiveness 21/100

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 40/100

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 #37546E

For UI

For branding

For interior

For fashion

People also use #37546E with

Dark Cyan Dark Slate Blue Coffee Gainsboro Charcoal

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 7.9:1. Use

Subtle surface Use #D4DDE5 for cards and hover fills. Tint 80

Avoid beside #37416D — 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 #37546E at work across the surfaces designers actually ship.

Website / UI

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Build faster.

A working theme, generated in seconds.

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: #37546E;
  --color-base-rgb: 55 84 110;
  --color-base-oklch: oklch(43.4% 0.055 246.5);
  --color-50: #F5F8FA;
  --color-100: #E3EBF2;
  --color-200: #C9D7E4;
  --color-300: #A2B9CD;
  --color-400: #7E9BB4;
  --color-500: #5D7C97;
  --color-600: #4C6275;
  --color-700: #3A4855;
  --color-800: #293138;
  --color-900: #1A1F23;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  dark-slate-gray: {
    50: '#F5F8FA',
    100: '#E3EBF2',
    200: '#C9D7E4',
    300: '#A2B9CD',
    400: '#7E9BB4',
    500: '#5D7C97',
    600: '#4C6275',
    700: '#3A4855',
    800: '#293138',
    900: '#1A1F23',
  },
}

$base: #37546E;
$base-ink: #FFFFFF;
$base-50: #F5F8FA;
$base-100: #E3EBF2;
$base-200: #C9D7E4;
$base-300: #A2B9CD;
$base-400: #7E9BB4;
$base-500: #5D7C97;
$base-600: #4C6275;
$base-700: #3A4855;
$base-800: #293138;
$base-900: #1A1F23;
$base-hover: #2C4357;
$base-subtle: #BECCD8;

{
    "color": {
        "base": {
            "value": "#37546E",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F5F8FA",
                "type": "color"
            },
            "100": {
                "value": "#E3EBF2",
                "type": "color"
            },
            "200": {
                "value": "#C9D7E4",
                "type": "color"
            },
            "300": {
                "value": "#A2B9CD",
                "type": "color"
            },
            "400": {
                "value": "#7E9BB4",
                "type": "color"
            },
            "500": {
                "value": "#5D7C97",
                "type": "color"
            },
            "600": {
                "value": "#4C6275",
                "type": "color"
            },
            "700": {
                "value": "#3A4855",
                "type": "color"
            },
            "800": {
                "value": "#293138",
                "type": "color"
            },
            "900": {
                "value": "#1A1F23",
                "type": "color"
            }
        }
    }
}

Palettes built on #37546E

Color Lab

Pairs with #37546E

UI roles & guardrails

In real applications

Scales

Every model

Export