What color is #1783AA?

#1783AA is a dark, vivid cyan-blue. In RGB it is rgb(23, 131, 170), and in HSL hsl(196, 76%, 38%).

Is #1783AA accessible as text?

On white, #1783AA has a contrast ratio of 4.32:1 (fails WCAG AA for body text); on black it is 4.86:1 (passes). For text placed on #1783AA, use black for the best readability.

What is the closest Tailwind color to #1783AA?

The nearest Tailwind CSS token is cyan-600 (#0092B8).

What colors go well with #1783AA?

#1783AA pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #AB3F17. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #1783AA below.

Is #1783AA good for buttons?

#1783AA works well for buttons and highlights, but use black text on #1783AA — white text only reaches 4.32:1, below the 4.5:1 needed for normal-size labels.

Is #1783AA the same as CSS steelblue?

No — #1783AA is not the CSS named color steelblue, but steelblue (#4682B4) is the closest CSS named color.

#1783AA Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #1783AA

Not just a swatch — here's how #1783AA works with other colors. Named schemes with #1783AA in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #1783AA Accent #A6C4BF Surface #DEDABF Secondary #9AA0A0 Anchor #1F344A

Steel 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 #1783AA Surface #14161A Highlight #F4F6F8 Secondary #596672 Accent #55A7CC

Steel 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 Steel Blue.

Vintage Leather Lead · 5 colors

Lead #1783AA Secondary #6F5216 Surface #E2DCC0 Accent #385244 Anchor #56233D

Steel 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 #1783AA Surface #EEE9D6 Anchor #592247 Accent #E4C2CC Secondary #322B30

Steel 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 #1783AA Secondary #8BA7B5 Support #969386 Ink #16140F

Steel 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 Steel Blue carrying the quiet middle.

Build a working theme in the generator →

Color Lab

How #1783AA 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 18/100

Cool

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

Softness 47/100

Moderate

Middle-weight — neither delicate nor heavy.

Depth 43/100

Moderate

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

Naturalness 1/100

Very low

Reads engineered rather than organic — synthetic, digital.

Vintage feel 52/100

Moderate

A faint retro warmth without tipping into sepia.

Luxury 50/100

Moderate

Understated — leans refined without going austere.

Brand distinctiveness 29/100

Low

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

UI accent fit 93/100

Very high

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

Surface fit 27/100

Low

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

Print safety 72/100

High

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #1783AA

For UI

For branding

For interior

For fashion

People also use #1783AA with

Emerald Green Egyptian Blue Sienna Platinum Dark Slate Gray

UI roles & guardrails

Primary action Too mid-tone for a filled button — darken for the fill. AA Large

Body text Do not use for body copy on light surfaces. Avoid

Large display Fine for headings 24px+ on white. Pass

Background Pair with white text at 4.3:1. Use

Subtle surface Use #CEE7F1 for cards and hover fills. Tint 80

Avoid beside #1752AB — 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 #1783AA 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: #1783AA;
  --color-base-rgb: 23 131 170;
  --color-base-oklch: oklch(57.2% 0.107 229.1);
  --color-50: #F1FAFE;
  --color-100: #DAF2FB;
  --color-200: #B7E5F5;
  --color-300: #87CEE9;
  --color-400: #5AB6D8;
  --color-500: #379ABD;
  --color-600: #327790;
  --color-700: #295666;
  --color-800: #1E3943;
  --color-900: #142329;
  --color-on-base: #141310;
}

// tailwind.config.js
colors: {
  steel-blue: {
    50: '#F1FAFE',
    100: '#DAF2FB',
    200: '#B7E5F5',
    300: '#87CEE9',
    400: '#5AB6D8',
    500: '#379ABD',
    600: '#327790',
    700: '#295666',
    800: '#1E3943',
    900: '#142329',
  },
}

$base: #1783AA;
$base-ink: #141310;
$base-50: #F1FAFE;
$base-100: #DAF2FB;
$base-200: #B7E5F5;
$base-300: #87CEE9;
$base-400: #5AB6D8;
$base-500: #379ABD;
$base-600: #327790;
$base-700: #295666;
$base-800: #1E3943;
$base-900: #142329;
$base-hover: #136988;
$base-subtle: #B4DCEB;

{
    "color": {
        "base": {
            "value": "#1783AA",
            "type": "color"
        },
        "onBase": {
            "value": "#141310",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F1FAFE",
                "type": "color"
            },
            "100": {
                "value": "#DAF2FB",
                "type": "color"
            },
            "200": {
                "value": "#B7E5F5",
                "type": "color"
            },
            "300": {
                "value": "#87CEE9",
                "type": "color"
            },
            "400": {
                "value": "#5AB6D8",
                "type": "color"
            },
            "500": {
                "value": "#379ABD",
                "type": "color"
            },
            "600": {
                "value": "#327790",
                "type": "color"
            },
            "700": {
                "value": "#295666",
                "type": "color"
            },
            "800": {
                "value": "#1E3943",
                "type": "color"
            },
            "900": {
                "value": "#142329",
                "type": "color"
            }
        }
    }
}

Palettes built on #1783AA

Color Lab

Pairs with #1783AA

UI roles & guardrails

In real applications

Scales

Every model

Export