What color is #A9CEF3?

#A9CEF3 is a light, soft blue. In RGB it is rgb(169, 206, 243), and in HSL hsl(210, 76%, 81%).

Is #A9CEF3 accessible as text?

On white, #A9CEF3 has a contrast ratio of 1.64:1 (fails WCAG AA for body text); on black it is 12.81:1 (passes). For text placed on #A9CEF3, use black for the best readability.

What is the closest Tailwind color to #A9CEF3?

The nearest Tailwind CSS token is indigo-200 (#C6D2FF).

What colors go well with #A9CEF3?

#A9CEF3 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #F3CFAA. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #A9CEF3 below.

Is #A9CEF3 good for buttons?

#A9CEF3 works well for buttons and highlights, but use black text on #A9CEF3 — white text only reaches 1.64:1, below the 4.5:1 needed for normal-size labels.

Is #A9CEF3 the same as CSS lightsteelblue?

No — #A9CEF3 is not the CSS named color lightsteelblue, but lightsteelblue (#B0C4DE) is the closest CSS named color.

#A9CEF3 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #A9CEF3

Not just a swatch — here's how #A9CEF3 works with other colors. Named schemes with #A9CEF3 in its natural role, and a note on why the supporting colors balance it.

Nordic Calm Accent · 5 colors

Accent #A9CEF3 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 #A9CEF3 Accent #A5C4C1 Surface #DDDBBF Secondary #9AA0A1 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 #A9CEF3 Surface #ECEADC Highlight #F4F2E7 Secondary #B2B2A0 Ink #2C2724

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 #A9CEF3 Surface #14161A Highlight #F4F6F8 Secondary #5A6672 Accent #D3F5FF

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 #A9CEF3 Secondary #ECF9FF 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.

Build a working theme in the generator →

Color Lab

How #A9CEF3 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 32/100

Cool

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

Softness 74/100

High

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

Depth 16/100

Very low

Airy and open — recedes, leaves the composition light.

Naturalness 0/100

Very low

Reads engineered rather than organic — synthetic, digital.

Vintage feel 30/100

Low

A faint retro warmth without tipping into sepia.

Luxury 22/100

Low

Playful and accessible rather than exclusive.

Brand distinctiveness 25/100

Low

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

UI accent fit 16/100

Very low

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

Surface fit 65/100

High

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

Print safety 85/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #A9CEF3

For UI

For branding

For interior

For fashion

People also use #A9CEF3 with

Celeste Wisteria Desert Sand Gainsboro 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 11.3:1. Use

Subtle surface Use #F0F5FB for cards and hover fills. Tint 80

Avoid beside #AAB6F3 — 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 #A9CEF3 at work across the surfaces designers actually ship.

Website / UI

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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: #A9CEF3;
  --color-base-rgb: 169 206 243;
  --color-base-oklch: oklch(83.7% 0.065 248.6);
  --color-50: #F1F7FE;
  --color-100: #DAEBFB;
  --color-200: #B7D6F5;
  --color-300: #87B8E9;
  --color-400: #5A99D8;
  --color-500: #377ABD;
  --color-600: #326190;
  --color-700: #294766;
  --color-800: #1E3043;
  --color-900: #141F29;
  --color-on-base: #141310;
}

// tailwind.config.js
colors: {
  light-steel-blue: {
    50: '#F1F7FE',
    100: '#DAEBFB',
    200: '#B7D6F5',
    300: '#87B8E9',
    400: '#5A99D8',
    500: '#377ABD',
    600: '#326190',
    700: '#294766',
    800: '#1E3043',
    900: '#141F29',
  },
}

$base: #A9CEF3;
$base-ink: #141310;
$base-50: #F1F7FE;
$base-100: #DAEBFB;
$base-200: #B7D6F5;
$base-300: #87B8E9;
$base-400: #5A99D8;
$base-500: #377ABD;
$base-600: #326190;
$base-700: #294766;
$base-800: #1E3043;
$base-900: #141F29;
$base-hover: #61A5E9;
$base-subtle: #E8F0F9;

{
    "color": {
        "base": {
            "value": "#A9CEF3",
            "type": "color"
        },
        "onBase": {
            "value": "#141310",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F1F7FE",
                "type": "color"
            },
            "100": {
                "value": "#DAEBFB",
                "type": "color"
            },
            "200": {
                "value": "#B7D6F5",
                "type": "color"
            },
            "300": {
                "value": "#87B8E9",
                "type": "color"
            },
            "400": {
                "value": "#5A99D8",
                "type": "color"
            },
            "500": {
                "value": "#377ABD",
                "type": "color"
            },
            "600": {
                "value": "#326190",
                "type": "color"
            },
            "700": {
                "value": "#294766",
                "type": "color"
            },
            "800": {
                "value": "#1E3043",
                "type": "color"
            },
            "900": {
                "value": "#141F29",
                "type": "color"
            }
        }
    }
}

Palettes built on #A9CEF3

Color Lab

Pairs with #A9CEF3

UI roles & guardrails

In real applications

Scales

Every model

Export