What color is #043A67?

#043A67 is a dark, vivid cyan-blue. In RGB it is rgb(4, 58, 103), and in HSL hsl(207, 93%, 21%).

Is #043A67 accessible as text?

On white, #043A67 has a contrast ratio of 11.63:1 (passes WCAG AA for body text); on black it is 1.81:1 (fails). For text placed on #043A67, use white for the best readability.

What is the closest Tailwind color to #043A67?

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

What colors go well with #043A67?

#043A67 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #673104. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #043A67 below.

Is #043A67 good for buttons?

#043A67 works well for buttons and highlights, but use white text on #043A67 — black text only reaches 1.81:1, below the 4.5:1 needed for normal-size labels.

Is #043A67 the same as CSS midnightblue?

No — #043A67 is not the CSS named color midnightblue, but midnightblue (#191970) is the closest CSS named color.

#043A67 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #043A67

Not just a swatch — here's how #043A67 works with other colors. Named schemes with #043A67 in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #043A67 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 #043A67 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 #043A67 Anchor #2A2A2E Secondary #6E6E74 Surface #E9E7DA Accent #0E183A

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 #043A67 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 #043A67 Secondary #516071 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 #043A67 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 24/100

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 41/100

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 36/100

Low

Recognisable but shares space with nearby hues.

UI accent fit 50/100

Moderate

Workable accent with care around contrast.

Surface fit 34/100

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 #043A67

For UI

For branding

For interior

For fashion

People also use #043A67 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 #BCD9F2 for cards and hover fills. Tint 80

Avoid beside #041967 — 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 #043A67 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: #043A67;
  --color-base-rgb: 4 58 103;
  --color-base-oklch: oklch(34.3% 0.094 250.3);
  --color-50: #F0F8FE;
  --color-100: #D8ECFD;
  --color-200: #B1DAFC;
  --color-300: #7CBEF4;
  --color-400: #4CA1E6;
  --color-500: #2983CC;
  --color-600: #27679B;
  --color-700: #224B6D;
  --color-800: #1A3347;
  --color-900: #12202B;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  yale-blue: {
    50: '#F0F8FE',
    100: '#D8ECFD',
    200: '#B1DAFC',
    300: '#7CBEF4',
    400: '#4CA1E6',
    500: '#2983CC',
    600: '#27679B',
    700: '#224B6D',
    800: '#1A3347',
    900: '#12202B',
  },
}

$base: #043A67;
$base-ink: #FFFFFF;
$base-50: #F0F8FE;
$base-100: #D8ECFD;
$base-200: #B1DAFC;
$base-300: #7CBEF4;
$base-400: #4CA1E6;
$base-500: #2983CC;
$base-600: #27679B;
$base-700: #224B6D;
$base-800: #1A3347;
$base-900: #12202B;
$base-hover: #032F53;
$base-subtle: #98C7ED;

{
    "color": {
        "base": {
            "value": "#043A67",
            "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": "#7CBEF4",
                "type": "color"
            },
            "400": {
                "value": "#4CA1E6",
                "type": "color"
            },
            "500": {
                "value": "#2983CC",
                "type": "color"
            },
            "600": {
                "value": "#27679B",
                "type": "color"
            },
            "700": {
                "value": "#224B6D",
                "type": "color"
            },
            "800": {
                "value": "#1A3347",
                "type": "color"
            },
            "900": {
                "value": "#12202B",
                "type": "color"
            }
        }
    }
}

Palettes built on #043A67

Color Lab

Pairs with #043A67

UI roles & guardrails

In real applications

Scales

Every model

Export