What color is #052E8F?

#052E8F is a dark, vivid blue. In RGB it is rgb(5, 46, 143), and in HSL hsl(222, 93%, 29%).

Is #052E8F accessible as text?

On white, #052E8F has a contrast ratio of 11.71:1 (passes WCAG AA for body text); on black it is 1.79:1 (fails). For text placed on #052E8F, use white for the best readability.

What is the closest Tailwind color to #052E8F?

The nearest Tailwind CSS token is blue-900 (#1C398E).

What colors go well with #052E8F?

#052E8F pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #8F6505. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #052E8F below.

Is #052E8F good for buttons?

#052E8F works well for buttons and highlights, but use white text on #052E8F — black text only reaches 1.79:1, below the 4.5:1 needed for normal-size labels.

Is #052E8F the same as CSS midnightblue?

No — #052E8F is not the CSS named color midnightblue, but midnightblue (#191970) is the closest CSS named color.

#052E8F Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #052E8F

Not just a swatch — here's how #052E8F works with other colors. Named schemes with #052E8F in its natural role, and a note on why the supporting colors balance it.

Luxury Packaging Feature · 5 colors

Feature #052E8F Anchor #141210 Accent #ACAE53 Secondary #242933 Surface #F0EEE3

Klein 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 #052E8F Anchor #2A2A2E Secondary #6E6E74 Surface #E9E7DA Accent #190C51

Klein 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 Klein Blue.

Coastal Morning Lead · 5 colors

Lead #052E8F Accent #A5C4C1 Surface #DDDBBF Secondary #9AA0A1 Anchor #21344A

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

Vintage Leather Lead · 5 colors

Lead #052E8F Secondary #7F4536 Surface #EED7C2 Accent #375246 Anchor #57223A

Klein 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 #F8F4EF Accent #052E8F Secondary #506182 Support #9D8F88 Ink #18140F

Klein 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 Klein Blue carrying the quiet middle.

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Color Lab

How #052E8F 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 9/100

Cool

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

Softness 26/100

Low

Firm and assertive — carries weight and contrast.

Depth 68/100

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 26/100

Low

A faint retro warmth without tipping into sepia.

Luxury 66/100

High

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

Brand distinctiveness 64/100

High

Bold and ownable — memorable as a primary brand color.

UI accent fit 56/100

Moderate

Workable accent with care around contrast.

Surface fit 17/100

Very low

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

Print safety 69/100

High

Prints close, with a slight loss of vibrancy.

Pairs with #052E8F

For UI

For branding

For interior

For fashion

People also use #052E8F with

Bondi Blue Phthalo Blue Raw Umber 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 11.7:1. Use

Subtle surface Use #C3D1F3 for cards and hover fills. Tint 80

Avoid beside #0A058F — 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 #052E8F 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: #052E8F;
  --color-base-rgb: 5 46 143;
  --color-base-oklch: oklch(35.2% 0.165 263.1);
  --color-50: #F0F5FE;
  --color-100: #D8E3FD;
  --color-200: #B1C7FC;
  --color-300: #7CA0F4;
  --color-400: #4C7AE6;
  --color-500: #295ACC;
  --color-600: #274A9B;
  --color-700: #22386D;
  --color-800: #1A2847;
  --color-900: #121A2B;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  klein-blue: {
    50: '#F0F5FE',
    100: '#D8E3FD',
    200: '#B1C7FC',
    300: '#7CA0F4',
    400: '#4C7AE6',
    500: '#295ACC',
    600: '#274A9B',
    700: '#22386D',
    800: '#1A2847',
    900: '#121A2B',
  },
}

$base: #052E8F;
$base-ink: #FFFFFF;
$base-50: #F0F5FE;
$base-100: #D8E3FD;
$base-200: #B1C7FC;
$base-300: #7CA0F4;
$base-400: #4C7AE6;
$base-500: #295ACC;
$base-600: #274A9B;
$base-700: #22386D;
$base-800: #1A2847;
$base-900: #121A2B;
$base-hover: #042572;
$base-subtle: #A2B9EF;

{
    "color": {
        "base": {
            "value": "#052E8F",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F0F5FE",
                "type": "color"
            },
            "100": {
                "value": "#D8E3FD",
                "type": "color"
            },
            "200": {
                "value": "#B1C7FC",
                "type": "color"
            },
            "300": {
                "value": "#7CA0F4",
                "type": "color"
            },
            "400": {
                "value": "#4C7AE6",
                "type": "color"
            },
            "500": {
                "value": "#295ACC",
                "type": "color"
            },
            "600": {
                "value": "#274A9B",
                "type": "color"
            },
            "700": {
                "value": "#22386D",
                "type": "color"
            },
            "800": {
                "value": "#1A2847",
                "type": "color"
            },
            "900": {
                "value": "#121A2B",
                "type": "color"
            }
        }
    }
}

Palettes built on #052E8F

Color Lab

Pairs with #052E8F

UI roles & guardrails

In real applications

Scales

Every model

Export