What color is #003A69?

#003A69 is a dark, vivid cyan-blue. In RGB it is rgb(0, 58, 105), and in HSL hsl(207, 100%, 21%).

Is #003A69 accessible as text?

On white, #003A69 has a contrast ratio of 11.61:1 (passes WCAG AA for body text); on black it is 1.81:1 (fails). For text placed on #003A69, use white for the best readability.

What is the closest Tailwind color to #003A69?

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

What colors go well with #003A69?

#003A69 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #6B3000. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #003A69 below.

Is #003A69 good for buttons?

#003A69 works well for buttons and highlights, but use white text on #003A69 — black text only reaches 1.81:1, below the 4.5:1 needed for normal-size labels.

Is #003A69 the same as CSS midnightblue?

No — #003A69 is not the CSS named color midnightblue, but midnightblue (#191970) is the closest CSS named color.

#003A69 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #003A69

Not just a swatch — here's how #003A69 works with other colors. Named schemes with #003A69 in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #003A69 Accent #A5C4C1 Surface #DDDBBF Secondary #9AA0A1 Anchor #20344A

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

Luxury Packaging Feature · 5 colors

Feature #003A69 Anchor #141210 Accent #AFAD52 Secondary #222A33 Surface #F0EEE3

Yale Blue carries the depth in this luxury scheme, offset by a brass accent and near-black and held together by a deep neutral and an off-white surface.

Moody Editorial Color · 5 colors

Color #003A69 Anchor #2A2A2E Secondary #6E6E74 Surface #E9E7DA Accent #0E183B

Yale Blue adds the colour to this moody editorial scheme — charcoal and a mid-grey around it, a bone highlight, and a muted jewel accent drawn from Yale Blue.

Vintage Leather Lead · 5 colors

Lead #003A69 Secondary #7F4538 Surface #E1DDC0 Accent #375245 Anchor #57233B

Yale 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 #003A69 Secondary #506072 Support #959386 Ink #16140F

Yale 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 Yale Blue carrying the quiet middle.

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Color Lab

How #003A69 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 23/100

Cool

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

Softness 31/100

Low

Firm and assertive — carries weight and contrast.

Depth 65/100

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 40/100

Moderate

A faint retro warmth without tipping into sepia.

Luxury 70/100

High

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

Brand distinctiveness 38/100

Low

Recognisable but shares space with nearby hues.

UI accent fit 51/100

Moderate

Workable accent with care around contrast.

Surface fit 33/100

Low

Usable as a tinted surface in measured doses.

Print safety 79/100

High

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #003A69

For UI

For branding

For interior

For fashion

People also use #003A69 with

Dark Cyan Navy Blue 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 11.6:1. Use

Subtle surface Use #BADAF4 for cards and hover fills. Tint 80

Avoid beside #00176B — 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 #003A69 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: #003A69;
  --color-base-rgb: 0 58 105;
  --color-base-oklch: oklch(34.4% 0.098 250.3);
  --color-50: #F0F8FE;
  --color-100: #D8ECFD;
  --color-200: #B1DAFC;
  --color-300: #77BEF8;
  --color-400: #46A1EC;
  --color-500: #2283D2;
  --color-600: #23679F;
  --color-700: #1F4B70;
  --color-800: #183348;
  --color-900: #11202C;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  yale-blue: {
    50: '#F0F8FE',
    100: '#D8ECFD',
    200: '#B1DAFC',
    300: '#77BEF8',
    400: '#46A1EC',
    500: '#2283D2',
    600: '#23679F',
    700: '#1F4B70',
    800: '#183348',
    900: '#11202C',
  },
}

$base: #003A69;
$base-ink: #FFFFFF;
$base-50: #F0F8FE;
$base-100: #D8ECFD;
$base-200: #B1DAFC;
$base-300: #77BEF8;
$base-400: #46A1EC;
$base-500: #2283D2;
$base-600: #23679F;
$base-700: #1F4B70;
$base-800: #183348;
$base-900: #11202C;
$base-hover: #002F56;
$base-subtle: #95C7F0;

{
    "color": {
        "base": {
            "value": "#003A69",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F0F8FE",
                "type": "color"
            },
            "100": {
                "value": "#D8ECFD",
                "type": "color"
            },
            "200": {
                "value": "#B1DAFC",
                "type": "color"
            },
            "300": {
                "value": "#77BEF8",
                "type": "color"
            },
            "400": {
                "value": "#46A1EC",
                "type": "color"
            },
            "500": {
                "value": "#2283D2",
                "type": "color"
            },
            "600": {
                "value": "#23679F",
                "type": "color"
            },
            "700": {
                "value": "#1F4B70",
                "type": "color"
            },
            "800": {
                "value": "#183348",
                "type": "color"
            },
            "900": {
                "value": "#11202C",
                "type": "color"
            }
        }
    }
}

Palettes built on #003A69

Color Lab

Pairs with #003A69

UI roles & guardrails

In real applications

Scales

Every model

Export