What color is #173149?

#173149 is a dark blue. In RGB it is rgb(23, 49, 73), and in HSL hsl(209, 52%, 19%).

Is #173149 accessible as text?

On white, #173149 has a contrast ratio of 13.36:1 (passes WCAG AA for body text); on black it is 1.57:1 (fails). For text placed on #173149, use white for the best readability.

What is the closest Tailwind color to #173149?

The nearest Tailwind CSS token is sky-950 (#052F4A).

What colors go well with #173149?

#173149 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #4A3017. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #173149 below.

Is #173149 good for buttons?

#173149 works well for buttons and highlights, but use white text on #173149 — black text only reaches 1.57:1, below the 4.5:1 needed for normal-size labels.

Is #173149 the same as CSS midnightblue?

No — #173149 is not the CSS named color midnightblue, but midnightblue (#191970) is the closest CSS named color.

#173149 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #173149

Not just a swatch — here's how #173149 works with other colors. Named schemes with #173149 in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #173149 Accent #A5C4C1 Surface #DDDBBF Secondary #9AA0A1 Anchor #20344A

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 #173149 Secondary #AEB4B8 Surface #F1F2F0 Support #7C93A6 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 #173149 Surface #14161A Highlight #F4F6F8 Secondary #5A6672 Accent #395168

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 #173149 Secondary #7F4438 Surface #E1DDC0 Accent #375245 Anchor #57233B

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 #173149 Secondary #4C555E 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 #173149 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 67/100

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 31/100

Low

A faint retro warmth without tipping into sepia.

Luxury 70/100

High

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 31/100

Low

Workable accent with care around contrast.

Surface fit 49/100

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 #173149

For UI

For branding

For interior

For fashion

People also use #173149 with

Pine Green Navy Espresso 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 13.4:1. Use

Subtle surface Use #C6D6E5 for cards and hover fills. Tint 80

Avoid beside #17204A — 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 #173149 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: #173149;
  --color-base-rgb: 23 49 73;
  --color-base-oklch: oklch(30.5% 0.054 248.3);
  --color-50: #F3F7FC;
  --color-100: #DFEBF6;
  --color-200: #C1D7EB;
  --color-300: #96B9D9;
  --color-400: #6E9AC4;
  --color-500: #4D7CA8;
  --color-600: #416281;
  --color-700: #32485C;
  --color-800: #24313D;
  --color-900: #181F26;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  prussian-blue: {
    50: '#F3F7FC',
    100: '#DFEBF6',
    200: '#C1D7EB',
    300: '#96B9D9',
    400: '#6E9AC4',
    500: '#4D7CA8',
    600: '#416281',
    700: '#32485C',
    800: '#24313D',
    900: '#181F26',
  },
}

$base: #173149;
$base-ink: #FFFFFF;
$base-50: #F3F7FC;
$base-100: #DFEBF6;
$base-200: #C1D7EB;
$base-300: #96B9D9;
$base-400: #6E9AC4;
$base-500: #4D7CA8;
$base-600: #416281;
$base-700: #32485C;
$base-800: #24313D;
$base-900: #181F26;
$base-hover: #13273B;
$base-subtle: #A9C2DA;

{
    "color": {
        "base": {
            "value": "#173149",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F3F7FC",
                "type": "color"
            },
            "100": {
                "value": "#DFEBF6",
                "type": "color"
            },
            "200": {
                "value": "#C1D7EB",
                "type": "color"
            },
            "300": {
                "value": "#96B9D9",
                "type": "color"
            },
            "400": {
                "value": "#6E9AC4",
                "type": "color"
            },
            "500": {
                "value": "#4D7CA8",
                "type": "color"
            },
            "600": {
                "value": "#416281",
                "type": "color"
            },
            "700": {
                "value": "#32485C",
                "type": "color"
            },
            "800": {
                "value": "#24313D",
                "type": "color"
            },
            "900": {
                "value": "#181F26",
                "type": "color"
            }
        }
    }
}