What color is #184677?

#184677 is a dark blue. In RGB it is rgb(24, 70, 119), and in HSL hsl(211, 66%, 28%).

Is #184677 accessible as text?

On white, #184677 has a contrast ratio of 9.63:1 (passes WCAG AA for body text); on black it is 2.18:1 (fails). For text placed on #184677, use white for the best readability.

What is the closest Tailwind color to #184677?

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

What colors go well with #184677?

#184677 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #774918. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #184677 below.

Is #184677 good for buttons?

#184677 works well for buttons and highlights, but use white text on #184677 — black text only reaches 2.18:1, below the 4.5:1 needed for normal-size labels.

Is #184677 the same as CSS darkslateblue?

No — #184677 is not the CSS named color darkslateblue, but darkslateblue (#483D8B) is the closest CSS named color.

#184677 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #184677

Not just a swatch — here's how #184677 works with other colors. Named schemes with #184677 in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #184677 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.

Tech Product Signal · 5 colors

Signal #184677 Surface #14161A Highlight #F4F6F8 Secondary #5A6672 Accent #406897

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 #184677 Secondary #7F4537 Surface #E1DDC1 Accent #375246 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.

Berry & Cream Lead · 5 colors

Lead #184677 Surface #EDE9D6 Anchor #5A2145 Accent #E4C2CB Secondary #322B2F

Classic Blue 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 #184677 Secondary #5E6D7F 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 #184677 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 34/100

Low

Middle-weight — neither delicate nor heavy.

Depth 61/100

High

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

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 66/100

High

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

Brand distinctiveness 26/100

Low

Quiet and neutral — a supporting tone, not a signature.

UI accent fit 66/100

High

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

Surface fit 30/100

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 #184677

For UI

For branding

For interior

For fashion

People also use #184677 with

Dark Cyan Midnight Blue Russet 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 9.6:1. Use

Subtle surface Use #C9DAEC for cards and hover fills. Tint 80

Avoid beside #182677 — 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 #184677 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: #184677;
  --color-base-rgb: 24 70 119;
  --color-base-oklch: oklch(39.0% 0.097 252.8);
  --color-50: #F2F7FD;
  --color-100: #DCEAF9;
  --color-200: #BBD5F1;
  --color-300: #8DB6E2;
  --color-400: #6297D0;
  --color-500: #4078B5;
  --color-600: #38608A;
  --color-700: #2D4762;
  --color-800: #213040;
  --color-900: #161E28;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  classic-blue: {
    50: '#F2F7FD',
    100: '#DCEAF9',
    200: '#BBD5F1',
    300: '#8DB6E2',
    400: '#6297D0',
    500: '#4078B5',
    600: '#38608A',
    700: '#2D4762',
    800: '#213040',
    900: '#161E28',
  },
}

$base: #184677;
$base-ink: #FFFFFF;
$base-50: #F2F7FD;
$base-100: #DCEAF9;
$base-200: #BBD5F1;
$base-300: #8DB6E2;
$base-400: #6297D0;
$base-500: #4078B5;
$base-600: #38608A;
$base-700: #2D4762;
$base-800: #213040;
$base-900: #161E28;
$base-hover: #13385F;
$base-subtle: #ACC7E4;

{
    "color": {
        "base": {
            "value": "#184677",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F2F7FD",
                "type": "color"
            },
            "100": {
                "value": "#DCEAF9",
                "type": "color"
            },
            "200": {
                "value": "#BBD5F1",
                "type": "color"
            },
            "300": {
                "value": "#8DB6E2",
                "type": "color"
            },
            "400": {
                "value": "#6297D0",
                "type": "color"
            },
            "500": {
                "value": "#4078B5",
                "type": "color"
            },
            "600": {
                "value": "#38608A",
                "type": "color"
            },
            "700": {
                "value": "#2D4762",
                "type": "color"
            },
            "800": {
                "value": "#213040",
                "type": "color"
            },
            "900": {
                "value": "#161E28",
                "type": "color"
            }
        }
    }
}

Palettes built on #184677

Color Lab

Pairs with #184677

UI roles & guardrails

In real applications

Scales

Every model

Export