What color is #103545?

#103545 is a very dark cyan-blue. In RGB it is rgb(16, 53, 69), and in HSL hsl(198, 62%, 17%).

Is #103545 accessible as text?

On white, #103545 has a contrast ratio of 12.99:1 (passes WCAG AA for body text); on black it is 1.62:1 (fails). For text placed on #103545, use white for the best readability.

What is the closest Tailwind color to #103545?

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

What colors go well with #103545?

#103545 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #462110. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #103545 below.

Is #103545 good for buttons?

#103545 works well for buttons and highlights, but use white text on #103545 — black text only reaches 1.62:1, below the 4.5:1 needed for normal-size labels.

Is #103545 the same as CSS darkslategray?

No — #103545 is not the CSS named color darkslategray, but darkslategray (#2F4F4F) is the closest CSS named color.

#103545 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #103545

Not just a swatch — here's how #103545 works with other colors. Named schemes with #103545 in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #103545 Accent #A6C4BF Surface #DEDABF Secondary #9AA0A0 Anchor #1F344A

Prussian Blue 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 #103545 Secondary #AEB4B8 Surface #F1F2F0 Support #7B93A6 Anchor #2E3236

Prussian Blue 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 #103545 Surface #14161A Highlight #F4F6F8 Secondary #596672 Accent #355564

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

Vintage Leather Lead · 5 colors

Lead #103545 Secondary #6F5216 Surface #E2DCC0 Accent #385244 Anchor #56233D

Prussian Blue 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 #103545 Secondary #4C585D Support #969386 Ink #16140F

Prussian Blue 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 Prussian Blue carrying the quiet middle.

Build a working theme in the generator →

Color Lab

How #103545 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 35/100

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 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 69/100

High

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

Brand distinctiveness 19/100

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 50/100

Moderate

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 #103545

For UI

For branding

For interior

For fashion

People also use #103545 with

Hunter Green Navy Bistre Platinum 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 13.0:1. Use

Subtle surface Use #C2DCE8 for cards and hover fills. Tint 80

Avoid beside #102446 — 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 #103545 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: #103545;
  --color-base-rgb: 16 53 69;
  --color-base-oklch: oklch(31.1% 0.050 230.1);
  --color-50: #F2F9FD;
  --color-100: #DDF0F8;
  --color-200: #BDE0EF;
  --color-300: #90C8E0;
  --color-400: #66AECC;
  --color-500: #4490B1;
  --color-600: #3A7087;
  --color-700: #2E5160;
  --color-800: #22363F;
  --color-900: #162227;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  prussian-blue: {
    50: '#F2F9FD',
    100: '#DDF0F8',
    200: '#BDE0EF',
    300: '#90C8E0',
    400: '#66AECC',
    500: '#4490B1',
    600: '#3A7087',
    700: '#2E5160',
    800: '#22363F',
    900: '#162227',
  },
}

$base: #103545;
$base-ink: #FFFFFF;
$base-50: #F2F9FD;
$base-100: #DDF0F8;
$base-200: #BDE0EF;
$base-300: #90C8E0;
$base-400: #66AECC;
$base-500: #4490B1;
$base-600: #3A7087;
$base-700: #2E5160;
$base-800: #22363F;
$base-900: #162227;
$base-hover: #0D2B38;
$base-subtle: #A2CBDD;

{
    "color": {
        "base": {
            "value": "#103545",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F2F9FD",
                "type": "color"
            },
            "100": {
                "value": "#DDF0F8",
                "type": "color"
            },
            "200": {
                "value": "#BDE0EF",
                "type": "color"
            },
            "300": {
                "value": "#90C8E0",
                "type": "color"
            },
            "400": {
                "value": "#66AECC",
                "type": "color"
            },
            "500": {
                "value": "#4490B1",
                "type": "color"
            },
            "600": {
                "value": "#3A7087",
                "type": "color"
            },
            "700": {
                "value": "#2E5160",
                "type": "color"
            },
            "800": {
                "value": "#22363F",
                "type": "color"
            },
            "900": {
                "value": "#162227",
                "type": "color"
            }
        }
    }
}