What color is #333545?

#333545 is a dark low-chroma blue-gray with a subtle blue cast. In RGB it is rgb(51, 53, 69), and in HSL hsl(233, 15%, 24%).

Is #333545 accessible as text?

On white, #333545 has a contrast ratio of 12.10:1 (passes WCAG AA for body text); on black it is 1.74:1 (fails). For text placed on #333545, use white for the best readability.

What is the closest Tailwind color to #333545?

The nearest Tailwind CSS token is zinc-700 (#3F3F46).

What colors go well with #333545?

As a neutral, #333545 pairs cleanly with white, off-white and light grays for text, and sits under accent hues like blue, violet, emerald or warm orange — use it as a dark surface or high-contrast base and let the accent carry the color.

Is #333545 the same as CSS darkslategray?

No — #333545 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.

#333545 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #333545

Not just a swatch — here's how #333545 works with other colors. Named schemes with #333545 in its natural role, and a note on why the supporting colors balance it.

Vintage Leather Lead · 5 colors

Lead #333545 Secondary #7F4534 Surface #EDD7C2 Accent #365247 Anchor #582239

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

Japanese Sand Base · 5 colors

Base #333545 Surface #F2E8DD Highlight #F8F0E7 Secondary #BEADA2 Ink #2C2724

Onyx 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.

Luxury Packaging Feature · 5 colors

Feature #333545 Anchor #141210 Accent #DC9758 Secondary #272833 Surface #F3ECE3

Onyx carries the depth in this luxury scheme, offset by a brass accent and near-black and held together by a deep neutral and an off-white surface.

Moody Editorial Color · 5 colors

Color #333545 Anchor #2A2A2E Secondary #6E6E74 Surface #EEE5DB Accent #1A1721

Onyx adds the colour to this moody editorial scheme — charcoal and a mid-grey around it, a bone highlight, and a muted jewel accent drawn from Onyx.

Minimal Editorial Surface · 5 colors

Surface #F8F4EF Accent #333545 Secondary #5A5B62 Support #9D9088 Ink #18140F

Onyx 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 Onyx carrying the quiet middle.

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Color Lab

How #333545 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 35/100

Low

Middle-weight — neither delicate nor heavy.

Depth 63/100

High

Deep and grounding — anchors a layout, strong dark-mode base.

Naturalness 0/100

Very low

Reads engineered rather than organic — synthetic, digital.

Vintage feel 30/100

Low

A faint retro warmth without tipping into sepia.

Luxury 65/100

High

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

Brand distinctiveness 11/100

Very low

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

UI accent fit 31/100

Low

Workable accent with care around contrast.

Surface fit 55/100

Moderate

Usable as a tinted surface in measured doses.

Print safety 96/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #333545

For UI

For branding

For interior

For fashion

People also use #333545 with

Iron Gray Onyx Taupe 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 12.1:1. Use

Subtle surface Use #D4D5DC for cards and hover fills. Tint 80

Avoid beside #383446 — 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 #333545 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: #333545;
  --color-base-rgb: 51 53 69;
  --color-base-oklch: oklch(33.4% 0.028 279.2);
  --color-50: #F6F6F9;
  --color-100: #E7E8EE;
  --color-200: #D0D2DC;
  --color-300: #AEB0C1;
  --color-400: #8D8FA5;
  --color-500: #6D7088;
  --color-600: #585A6A;
  --color-700: #41434D;
  --color-800: #2D2E34;
  --color-900: #1D1D21;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  onyx: {
    50: '#F6F6F9',
    100: '#E7E8EE',
    200: '#D0D2DC',
    300: '#AEB0C1',
    400: '#8D8FA5',
    500: '#6D7088',
    600: '#585A6A',
    700: '#41434D',
    800: '#2D2E34',
    900: '#1D1D21',
  },
}

$base: #333545;
$base-ink: #FFFFFF;
$base-50: #F6F6F9;
$base-100: #E7E8EE;
$base-200: #D0D2DC;
$base-300: #AEB0C1;
$base-400: #8D8FA5;
$base-500: #6D7088;
$base-600: #585A6A;
$base-700: #41434D;
$base-800: #2D2E34;
$base-900: #1D1D21;
$base-hover: #2A2B38;
$base-subtle: #BEC0CB;

{
    "color": {
        "base": {
            "value": "#333545",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F6F6F9",
                "type": "color"
            },
            "100": {
                "value": "#E7E8EE",
                "type": "color"
            },
            "200": {
                "value": "#D0D2DC",
                "type": "color"
            },
            "300": {
                "value": "#AEB0C1",
                "type": "color"
            },
            "400": {
                "value": "#8D8FA5",
                "type": "color"
            },
            "500": {
                "value": "#6D7088",
                "type": "color"
            },
            "600": {
                "value": "#585A6A",
                "type": "color"
            },
            "700": {
                "value": "#41434D",
                "type": "color"
            },
            "800": {
                "value": "#2D2E34",
                "type": "color"
            },
            "900": {
                "value": "#1D1D21",
                "type": "color"
            }
        }
    }
}