What color is #0D353D?

#0D353D is a very dark cyan. In RGB it is rgb(13, 53, 61), and in HSL hsl(190, 65%, 15%).

Is #0D353D accessible as text?

On white, #0D353D has a contrast ratio of 13.18:1 (passes WCAG AA for body text); on black it is 1.59:1 (fails). For text placed on #0D353D, use white for the best readability.

What is the closest Tailwind color to #0D353D?

The nearest Tailwind CSS token is cyan-950 (#053345).

What colors go well with #0D353D?

#0D353D pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #3F160D. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #0D353D below.

Is #0D353D good for buttons?

#0D353D works well for buttons and highlights, but use white text on #0D353D — black text only reaches 1.59:1, below the 4.5:1 needed for normal-size labels.

Is #0D353D the same as CSS darkslategray?

No — #0D353D is not the CSS named color darkslategray, but darkslategray (#2F4F4F) is the closest CSS named color.

#0D353D Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #0D353D

Not just a swatch — here's how #0D353D works with other colors. Named schemes with #0D353D in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #0D353D Accent #A6C4BE Surface #DFDABE Secondary #9AA0A0 Anchor #1E3549

Gunmetal 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 #0D353D Secondary #AEB4B8 Surface #F1F2F0 Support #7A94A5 Anchor #2E3236

Gunmetal 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 #0D353D Surface #14161A Highlight #F4F6F8 Secondary #596672 Accent #33555C

Gunmetal 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 Gunmetal Gray.

Vintage Leather Lead · 5 colors

Lead #0D353D Secondary #705117 Surface #E3DCC0 Accent #395143 Anchor #56233F

Gunmetal 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 #0D353D Secondary #4A5659 Support #969286 Ink #16140F

Gunmetal 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 Gunmetal Gray carrying the quiet middle.

Build a working theme in the generator →

Color Lab

How #0D353D 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 31/100

Low

Firm and assertive — carries weight and contrast.

Depth 66/100

High

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

Naturalness 2/100

Very low

Reads engineered rather than organic — synthetic, digital.

Vintage feel 29/100

Low

A faint retro warmth without tipping into sepia.

Luxury 69/100

High

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 29/100

Low

Weak as an action color — too pale, too dark or too muted to signal.

Surface fit 51/100

Moderate

Usable as a tinted surface in measured doses.

Print safety 88/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #0D353D

For UI

For branding

For interior

For fashion

People also use #0D353D with

Hunter Green Navy Oxblood 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 13.2:1. Use

Subtle surface Use #BFE1E8 for cards and hover fills. Tint 80

Avoid beside #0D263F — 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 #0D353D 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: #0D353D;
  --color-base-rgb: 13 53 61;
  --color-base-oklch: oklch(30.5% 0.045 213.6);
  --color-50: #F2FBFD;
  --color-100: #DDF4F9;
  --color-200: #BCE8F1;
  --color-300: #8ED4E2;
  --color-400: #63BDCF;
  --color-500: #41A1B4;
  --color-600: #387C89;
  --color-700: #2D5962;
  --color-800: #213B40;
  --color-900: #162427;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  gunmetal-gray: {
    50: '#F2FBFD',
    100: '#DDF4F9',
    200: '#BCE8F1',
    300: '#8ED4E2',
    400: '#63BDCF',
    500: '#41A1B4',
    600: '#387C89',
    700: '#2D5962',
    800: '#213B40',
    900: '#162427',
  },
}

$base: #0D353D;
$base-ink: #FFFFFF;
$base-50: #F2FBFD;
$base-100: #DDF4F9;
$base-200: #BCE8F1;
$base-300: #8ED4E2;
$base-400: #63BDCF;
$base-500: #41A1B4;
$base-600: #387C89;
$base-700: #2D5962;
$base-800: #213B40;
$base-900: #162427;
$base-hover: #0B2C32;
$base-subtle: #9ED3DE;

{
    "color": {
        "base": {
            "value": "#0D353D",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F2FBFD",
                "type": "color"
            },
            "100": {
                "value": "#DDF4F9",
                "type": "color"
            },
            "200": {
                "value": "#BCE8F1",
                "type": "color"
            },
            "300": {
                "value": "#8ED4E2",
                "type": "color"
            },
            "400": {
                "value": "#63BDCF",
                "type": "color"
            },
            "500": {
                "value": "#41A1B4",
                "type": "color"
            },
            "600": {
                "value": "#387C89",
                "type": "color"
            },
            "700": {
                "value": "#2D5962",
                "type": "color"
            },
            "800": {
                "value": "#213B40",
                "type": "color"
            },
            "900": {
                "value": "#162427",
                "type": "color"
            }
        }
    }
}