What color is #03569E?

#03569E is a dark, vivid blue. In RGB it is rgb(3, 86, 158), and in HSL hsl(208, 96%, 32%).

Is #03569E accessible as text?

On white, #03569E has a contrast ratio of 7.42:1 (passes WCAG AA for body text); on black it is 2.83:1 (fails). For text placed on #03569E, use white for the best readability.

What is the closest Tailwind color to #03569E?

The nearest Tailwind CSS token is sky-800 (#00598A).

What colors go well with #03569E?

#03569E pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #A04C03. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #03569E below.

Is #03569E good for buttons?

#03569E works well for buttons and highlights, but use white text on #03569E — black text only reaches 2.83:1, below the 4.5:1 needed for normal-size labels.

Is #03569E the same as CSS darkslateblue?

No — #03569E is not the CSS named color darkslateblue, but darkslateblue (#483D8B) is the closest CSS named color.

#03569E Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #03569E

Not just a swatch — here's how #03569E works with other colors. Named schemes with #03569E in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #03569E Accent #A5C4C1 Surface #DDDBBF Secondary #9AA0A1 Anchor #20344A

Lapis Lazuli opens this coastal palette with sea-glass and warm sand alongside it, grounded by driftwood grey and a deep-navy anchor.

Tech Product Signal · 5 colors

Signal #03569E Surface #14161A Highlight #F4F6F8 Secondary #5A6672 Accent #3D7ABE

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

Vintage Leather Lead · 5 colors

Lead #03569E Secondary #7F4537 Surface #E1DDC0 Accent #375245 Anchor #57233B

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

Berry & Cream Lead · 5 colors

Lead #03569E Surface #EDE9D6 Anchor #5A2145 Accent #E4C2CB Secondary #322B2F

Lapis Lazuli sits between cream and a deep berry here, softened by a blush accent and grounded by charcoal.

Minimal Editorial Surface · 5 colors

Surface #F6F4EF Accent #03569E Secondary #6A809A Support #959386 Ink #16140F

Lapis Lazuli 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 Lapis Lazuli carrying the quiet middle.

Build a working theme in the generator →

Color Lab

How #03569E 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 13/100

Cool

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

Softness 35/100

Low

Middle-weight — neither delicate nor heavy.

Depth 56/100

Moderate

Mid depth — usable as an accent or a muted ground.

Naturalness 0/100

Very low

Reads engineered rather than organic — synthetic, digital.

Vintage feel 39/100

Low

A faint retro warmth without tipping into sepia.

Luxury 60/100

Moderate

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

Brand distinctiveness 37/100

Low

Recognisable but shares space with nearby hues.

UI accent fit 90/100

Very high

Strong interactive accent — visible and can carry a legible label.

Surface fit 14/100

Very low

Too saturated or mid-toned for big areas — keep it to accents.

Print safety 71/100

High

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #03569E

For UI

For branding

For interior

For fashion

People also use #03569E with

Robin Egg Blue Zaffre Saddle Brown 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 7.4:1. Use

Subtle surface Use #C4DEF4 for cards and hover fills. Tint 80

Avoid beside #0323A0 — 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 #03569E 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: #03569E;
  --color-base-rgb: 3 86 158;
  --color-base-oklch: oklch(45.2% 0.136 252.6);
  --color-50: #F0F8FE;
  --color-100: #D8ECFD;
  --color-200: #B1D9FC;
  --color-300: #7ABCF6;
  --color-400: #4A9EE8;
  --color-500: #2680CF;
  --color-600: #25659D;
  --color-700: #214A6E;
  --color-800: #193248;
  --color-900: #121F2C;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  lapis-lazuli: {
    50: '#F0F8FE',
    100: '#D8ECFD',
    200: '#B1D9FC',
    300: '#7ABCF6',
    400: '#4A9EE8',
    500: '#2680CF',
    600: '#25659D',
    700: '#214A6E',
    800: '#193248',
    900: '#121F2C',
  },
}

$base: #03569E;
$base-ink: #FFFFFF;
$base-50: #F0F8FE;
$base-100: #D8ECFD;
$base-200: #B1D9FC;
$base-300: #7ABCF6;
$base-400: #4A9EE8;
$base-500: #2680CF;
$base-600: #25659D;
$base-700: #214A6E;
$base-800: #193248;
$base-900: #121F2C;
$base-hover: #034580;
$base-subtle: #A5CEF1;

{
    "color": {
        "base": {
            "value": "#03569E",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F0F8FE",
                "type": "color"
            },
            "100": {
                "value": "#D8ECFD",
                "type": "color"
            },
            "200": {
                "value": "#B1D9FC",
                "type": "color"
            },
            "300": {
                "value": "#7ABCF6",
                "type": "color"
            },
            "400": {
                "value": "#4A9EE8",
                "type": "color"
            },
            "500": {
                "value": "#2680CF",
                "type": "color"
            },
            "600": {
                "value": "#25659D",
                "type": "color"
            },
            "700": {
                "value": "#214A6E",
                "type": "color"
            },
            "800": {
                "value": "#193248",
                "type": "color"
            },
            "900": {
                "value": "#121F2C",
                "type": "color"
            }
        }
    }
}