What color is #A4DEEF?

#A4DEEF is a light, vivid cyan. In RGB it is rgb(164, 222, 239), and in HSL hsl(194, 70%, 79%).

Is #A4DEEF accessible as text?

On white, #A4DEEF has a contrast ratio of 1.47:1 (fails WCAG AA for body text); on black it is 14.27:1 (passes). For text placed on #A4DEEF, use black for the best readability.

What is the closest Tailwind color to #A4DEEF?

The nearest Tailwind CSS token is sky-200 (#B8E6FE).

What colors go well with #A4DEEF?

#A4DEEF pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #EFB5A4. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #A4DEEF below.

Is #A4DEEF good for buttons?

#A4DEEF works well for buttons and highlights, but use black text on #A4DEEF — white text only reaches 1.47:1, below the 4.5:1 needed for normal-size labels.

Is #A4DEEF the same as CSS lightblue?

No — #A4DEEF is not the CSS named color lightblue, but lightblue (#ADD8E6) is the closest CSS named color.

#A4DEEF Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #A4DEEF

Not just a swatch — here's how #A4DEEF works with other colors. Named schemes with #A4DEEF in its natural role, and a note on why the supporting colors balance it.

Nordic Calm Accent · 5 colors

Accent #A4DEEF Secondary #AEB4B8 Surface #F1F2F0 Support #7B94A5 Anchor #2E3236

Light 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 #A4DEEF Accent #A6C4BF Surface #DFDABF Secondary #9AA0A0 Anchor #1E3549

Light 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 #A4DEEF Surface #ECEADC Highlight #F4F2E7 Secondary #B3B19F Ink #2A2723

Light 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 #A4DEEF Surface #14161A Highlight #F4F6F8 Secondary #596672 Accent #D0FFFF

Light 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 Blue.

Minimal Editorial Surface · 5 colors

Surface #F6F4EF Accent #A4DEEF Secondary #EAFEFF Support #969386 Ink #16140F

Light 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 Blue carrying the quiet middle.

Build a working theme in the generator →

Color Lab

How #A4DEEF 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 77/100

High

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

Depth 13/100

Very low

Airy and open — recedes, leaves the composition light.

Naturalness 2/100

Very low

Reads engineered rather than organic — synthetic, digital.

Vintage feel 27/100

Low

A faint retro warmth without tipping into sepia.

Luxury 19/100

Very low

Playful and accessible rather than exclusive.

Brand distinctiveness 25/100

Low

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

UI accent fit 11/100

Very low

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

Surface fit 68/100

High

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

Print safety 83/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #A4DEEF

For UI

For branding

For interior

For fashion

People also use #A4DEEF with

Pale Turquoise Maya Blue Melon Platinum Dark Slate Gray

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 12.6:1. Use

Subtle surface Use #EFF7FA for cards and hover fills. Tint 80

Avoid beside #A4C4EF — 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 #A4DEEF 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: #A4DEEF;
  --color-base-rgb: 164 222 239;
  --color-base-oklch: oklch(86.7% 0.064 217.8);
  --color-50: #F1FAFD;
  --color-100: #DBF3FA;
  --color-200: #BAE5F3;
  --color-300: #8AD0E5;
  --color-400: #5FB8D3;
  --color-500: #3D9BB8;
  --color-600: #35788C;
  --color-700: #2B5664;
  --color-800: #203941;
  --color-900: #152428;
  --color-on-base: #141310;
}

// tailwind.config.js
colors: {
  light-blue: {
    50: '#F1FAFD',
    100: '#DBF3FA',
    200: '#BAE5F3',
    300: '#8AD0E5',
    400: '#5FB8D3',
    500: '#3D9BB8',
    600: '#35788C',
    700: '#2B5664',
    800: '#203941',
    900: '#152428',
  },
}

$base: #A4DEEF;
$base-ink: #141310;
$base-50: #F1FAFD;
$base-100: #DBF3FA;
$base-200: #BAE5F3;
$base-300: #8AD0E5;
$base-400: #5FB8D3;
$base-500: #3D9BB8;
$base-600: #35788C;
$base-700: #2B5664;
$base-800: #203941;
$base-900: #152428;
$base-hover: #5FC4E3;
$base-subtle: #E6F3F7;

{
    "color": {
        "base": {
            "value": "#A4DEEF",
            "type": "color"
        },
        "onBase": {
            "value": "#141310",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F1FAFD",
                "type": "color"
            },
            "100": {
                "value": "#DBF3FA",
                "type": "color"
            },
            "200": {
                "value": "#BAE5F3",
                "type": "color"
            },
            "300": {
                "value": "#8AD0E5",
                "type": "color"
            },
            "400": {
                "value": "#5FB8D3",
                "type": "color"
            },
            "500": {
                "value": "#3D9BB8",
                "type": "color"
            },
            "600": {
                "value": "#35788C",
                "type": "color"
            },
            "700": {
                "value": "#2B5664",
                "type": "color"
            },
            "800": {
                "value": "#203941",
                "type": "color"
            },
            "900": {
                "value": "#152428",
                "type": "color"
            }
        }
    }
}

Palettes built on #A4DEEF

Color Lab

Pairs with #A4DEEF

UI roles & guardrails

In real applications

Scales

Every model

Export