What color is #13426E?

#13426E is a dark, vivid blue. In RGB it is rgb(19, 66, 110), and in HSL hsl(209, 71%, 25%).

Is #13426E accessible as text?

On white, #13426E has a contrast ratio of 10.33:1 (passes WCAG AA for body text); on black it is 2.03:1 (fails). For text placed on #13426E, use white for the best readability.

What is the closest Tailwind color to #13426E?

The nearest Tailwind CSS token is sky-900 (#024A70).

What colors go well with #13426E?

#13426E pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #6D3E12. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #13426E below.

Is #13426E good for buttons?

#13426E works well for buttons and highlights, but use white text on #13426E — black text only reaches 2.03:1, below the 4.5:1 needed for normal-size labels.

Is #13426E the same as CSS darkslategray?

No — #13426E is not the CSS named color darkslategray, but darkslategray (#2F4F4F) is the closest CSS named color.

#13426E Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #13426E

Not just a swatch — here's how #13426E works with other colors. Named schemes with #13426E in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #13426E Accent #A5C4C1 Surface #DDDBBF Secondary #9AA0A1 Anchor #20344A

Classic 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 #13426E Secondary #AEB4B8 Surface #F1F2F0 Support #7C93A6 Anchor #2E3236

Classic 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 #13426E Surface #14161A Highlight #F4F6F8 Secondary #5A6672 Accent #3C648E

Classic 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 Classic Blue.

Vintage Leather Lead · 5 colors

Lead #13426E Secondary #7F4537 Surface #E1DDC0 Accent #375245 Anchor #57233B

Classic 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 #13426E Secondary #596879 Support #959386 Ink #16140F

Classic 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 Classic Blue carrying the quiet middle.

Build a working theme in the generator →

Color Lab

How #13426E 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 25/100

Cool

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

Softness 34/100

Low

Middle-weight — neither delicate nor heavy.

Depth 62/100

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 45/100

Moderate

A faint retro warmth without tipping into sepia.

Luxury 67/100

High

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

Brand distinctiveness 35/100

Low

Recognisable but shares space with nearby hues.

UI accent fit 59/100

Moderate

Workable accent with care around contrast.

Surface fit 33/100

Low

Usable as a tinted surface in measured doses.

Print safety 80/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #13426E

For UI

For branding

For interior

For fashion

People also use #13426E with

Dark Cyan Midnight Blue Sepia 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 10.3:1. Use

Subtle surface Use #C5D9EC for cards and hover fills. Tint 80

Avoid beside #12236D — 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 #13426E 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: #13426E;
  --color-base-rgb: 19 66 110;
  --color-base-oklch: oklch(37.2% 0.091 250.6);
  --color-50: #F1F8FD;
  --color-100: #DBEBFA;
  --color-200: #B9D7F3;
  --color-300: #8AB9E5;
  --color-400: #5E9BD4;
  --color-500: #3C7CB9;
  --color-600: #35628D;
  --color-700: #2B4864;
  --color-800: #1F3142;
  --color-900: #151F28;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  classic-blue: {
    50: '#F1F8FD',
    100: '#DBEBFA',
    200: '#B9D7F3',
    300: '#8AB9E5',
    400: '#5E9BD4',
    500: '#3C7CB9',
    600: '#35628D',
    700: '#2B4864',
    800: '#1F3142',
    900: '#151F28',
  },
}

$base: #13426E;
$base-ink: #FFFFFF;
$base-50: #F1F8FD;
$base-100: #DBEBFA;
$base-200: #B9D7F3;
$base-300: #8AB9E5;
$base-400: #5E9BD4;
$base-500: #3C7CB9;
$base-600: #35628D;
$base-700: #2B4864;
$base-800: #1F3142;
$base-900: #151F28;
$base-hover: #0F3457;
$base-subtle: #A7C7E5;

{
    "color": {
        "base": {
            "value": "#13426E",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F1F8FD",
                "type": "color"
            },
            "100": {
                "value": "#DBEBFA",
                "type": "color"
            },
            "200": {
                "value": "#B9D7F3",
                "type": "color"
            },
            "300": {
                "value": "#8AB9E5",
                "type": "color"
            },
            "400": {
                "value": "#5E9BD4",
                "type": "color"
            },
            "500": {
                "value": "#3C7CB9",
                "type": "color"
            },
            "600": {
                "value": "#35628D",
                "type": "color"
            },
            "700": {
                "value": "#2B4864",
                "type": "color"
            },
            "800": {
                "value": "#1F3142",
                "type": "color"
            },
            "900": {
                "value": "#151F28",
                "type": "color"
            }
        }
    }
}