What color is #AEC3D5?

#AEC3D5 is a light low-chroma blue-gray with a subtle blue cast. In RGB it is rgb(174, 195, 213), and in HSL hsl(208, 32%, 76%).

Is #AEC3D5 accessible as text?

On white, #AEC3D5 has a contrast ratio of 1.82:1 (fails WCAG AA for body text); on black it is 11.57:1 (passes). For text placed on #AEC3D5, use black for the best readability.

What is the closest Tailwind color to #AEC3D5?

The nearest Tailwind CSS token is slate-300 (#CAD5E2).

What colors go well with #AEC3D5?

As a neutral, #AEC3D5 pairs cleanly with charcoal, near-black and dark grays for text, and sits under accent hues like blue, violet, emerald or warm orange — use it as a soft background and let the accent carry the color.

Is #AEC3D5 the same as CSS lightsteelblue?

No — #AEC3D5 is not the CSS named color lightsteelblue, but lightsteelblue (#B0C4DE) is the closest CSS named color by perceptual color distance — it sits in a different color family, so treat it as a rough reference, not a match.

#AEC3D5 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #AEC3D5

Not just a swatch — here's how #AEC3D5 works with other colors. Named schemes with #AEC3D5 in its natural role, and a note on why the supporting colors balance it.

Nordic Calm Accent · 5 colors

Accent #AEC3D5 Secondary #AEB4B8 Surface #F1F2F0 Support #7C93A6 Anchor #2E3236

Light Steel Blue keeps this Nordic scheme quiet — cool greys and a soft white around it, a muted-blue support and a charcoal anchor.

Coastal Morning Lead · 5 colors

Lead #AEC3D5 Accent #A5C4C0 Surface #DEDBBF Secondary #9AA0A0 Anchor #20344A

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

Japanese Sand Base · 5 colors

Base #AEC3D5 Surface #ECEADC Highlight #F4F2E7 Secondary #B2B2A0 Ink #2A2823

Light Steel Blue sets a calm, sun-bleached base here, wrapped in bone and paper off-whites and a soft greige, with a single ink accent for wabi-sabi restraint.

Tech Product Signal · 5 colors

Signal #AEC3D5 Surface #14161A Highlight #F4F6F8 Secondary #5A6672 Accent #D6EAFB

Light 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 Light Steel Blue.

Minimal Editorial Surface · 5 colors

Surface #F6F4EF Accent #AEC3D5 Secondary #E7EFF5 Support #969386 Ink #16140F

Light 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 Light Steel Blue carrying the quiet middle.

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Color Lab

How #AEC3D5 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 40/100

Neutral

Balanced temperature — flexible, sits between warm and cool schemes.

Softness 77/100

High

Soft and easy on the eye — gentle backdrops, calm surfaces.

Depth 18/100

Very low

Airy and open — recedes, leaves the composition light.

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 24/100

Low

Playful and accessible rather than exclusive.

Brand distinctiveness 13/100

Very low

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

UI accent fit 17/100

Very low

Weak as an action color — too pale, too dark or too muted to signal.

Surface fit 71/100

High

Calm enough for large fills — backgrounds, cards, sections.

Print safety 92/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #AEC3D5

For UI

For branding

For interior

For fashion

People also use #AEC3D5 with

Gainsboro Lilac Pale Silver Charcoal

UI roles & guardrails

Primary action Safe as a filled button with near-black label. AAA

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

Large display Only on dark surfaces. Avoid

Background Pair with #141310 text at 10.2:1. Use

Subtle surface Use #F0F3F6 for cards and hover fills. Tint 80

Avoid beside #AEB6D5 — 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 #AEC3D5 at work across the surfaces designers actually ship.

Website / UI

Northwind Sign up

Build faster.

A working theme, generated in seconds.

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: #AEC3D5;
  --color-base-rgb: 174 195 213;
  --color-base-oklch: oklch(80.7% 0.034 244.1);
  --color-50: #F5F8FA;
  --color-100: #E4EBF2;
  --color-200: #C9D7E3;
  --color-300: #A3B9CC;
  --color-400: #7F9BB3;
  --color-500: #5E7C97;
  --color-600: #4D6275;
  --color-700: #3A4854;
  --color-800: #293138;
  --color-900: #1A1F23;
  --color-on-base: #141310;
}

// tailwind.config.js
colors: {
  light-steel-blue: {
    50: '#F5F8FA',
    100: '#E4EBF2',
    200: '#C9D7E3',
    300: '#A3B9CC',
    400: '#7F9BB3',
    500: '#5E7C97',
    600: '#4D6275',
    700: '#3A4854',
    800: '#293138',
    900: '#1A1F23',
  },
}

$base: #AEC3D5;
$base-ink: #141310;
$base-50: #F5F8FA;
$base-100: #E4EBF2;
$base-200: #C9D7E3;
$base-300: #A3B9CC;
$base-400: #7F9BB3;
$base-500: #5E7C97;
$base-600: #4D6275;
$base-700: #3A4854;
$base-800: #293138;
$base-900: #1A1F23;
$base-hover: #7B9DBB;
$base-subtle: #E8EDF1;

{
    "color": {
        "base": {
            "value": "#AEC3D5",
            "type": "color"
        },
        "onBase": {
            "value": "#141310",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F5F8FA",
                "type": "color"
            },
            "100": {
                "value": "#E4EBF2",
                "type": "color"
            },
            "200": {
                "value": "#C9D7E3",
                "type": "color"
            },
            "300": {
                "value": "#A3B9CC",
                "type": "color"
            },
            "400": {
                "value": "#7F9BB3",
                "type": "color"
            },
            "500": {
                "value": "#5E7C97",
                "type": "color"
            },
            "600": {
                "value": "#4D6275",
                "type": "color"
            },
            "700": {
                "value": "#3A4854",
                "type": "color"
            },
            "800": {
                "value": "#293138",
                "type": "color"
            },
            "900": {
                "value": "#1A1F23",
                "type": "color"
            }
        }
    }
}

Palettes built on #AEC3D5

Color Lab

Pairs with #AEC3D5

UI roles & guardrails

In real applications

Scales

Every model

Export