What color is #DDF3F8?

#DDF3F8 is a pale low-chroma cool gray with a subtle cool cast. In RGB it is rgb(221, 243, 248), and in HSL hsl(191, 66%, 92%).

Is #DDF3F8 accessible as text?

On white, #DDF3F8 has a contrast ratio of 1.15:1 (fails WCAG AA for body text); on black it is 18.25:1 (passes). For text placed on #DDF3F8, use black for the best readability.

What is the closest Tailwind color to #DDF3F8?

The nearest Tailwind CSS token is slate-100 (#F1F5F9).

What colors go well with #DDF3F8?

As a neutral, #DDF3F8 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 #DDF3F8 the same as CSS aliceblue?

No — #DDF3F8 is not the CSS named color aliceblue, but aliceblue (#F0F8FF) 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.

#DDF3F8 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #DDF3F8

Not just a swatch — here's how #DDF3F8 works with other colors. Named schemes with #DDF3F8 in its natural role, and a note on why the supporting colors balance it.

Nordic Calm Accent · 5 colors

Accent #DDF3F8 Secondary #AEB4B8 Surface #F1F2F0 Support #7A94A5 Anchor #2E3236

Cool White 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 #DDF3F8 Accent #A6C4BE Surface #DFDABE Secondary #9AA0A0 Anchor #1E3549

Cool White 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 #DDF3F8 Surface #ECEADC Highlight #F4F2E7 Secondary #B3B19F Ink #2A2723

Cool White 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 #DDF3F8 Surface #14161A Highlight #F4F6F8 Secondary #596672 Accent #EAFEFF

Cool White is the vivid signal in this product UI — on a near-black surface with cool white, a slate grey and a lighter tint of Cool White.

Minimal Editorial Surface · 5 colors

Surface #F6F4EF Accent #DDF3F8 Secondary #F4FCFD Support #979286 Ink #16140F

Cool White 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 Cool White carrying the quiet middle.

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Color Lab

How #DDF3F8 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 43/100

Neutral

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

Softness 91/100

Very high

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

Depth 5/100

Very low

Airy and open — recedes, leaves the composition light.

Naturalness 1/100

Very low

Reads engineered rather than organic — synthetic, digital.

Vintage feel 16/100

Very low

Clean and current — no dusty, aged cast.

Luxury 8/100

Very low

Playful and accessible rather than exclusive.

Brand distinctiveness 9/100

Very low

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

UI accent fit 3/100

Very low

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

Surface fit 88/100

Very high

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

Print safety 93/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #DDF3F8

For UI

For branding

For interior

For fashion

People also use #DDF3F8 with

Seafoam Lavender Misty Rose 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 16.1:1. Use

Subtle surface Use #F9FCFD for cards and hover fills. Tint 80

Avoid beside #DDEAF8 — 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 #DDF3F8 at work across the surfaces designers actually ship.

Website / UI

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Build faster.

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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: #DDF3F8;
  --color-base-rgb: 221 243 248;
  --color-base-oklch: oklch(95.0% 0.024 212.9);
  --color-50: #F2FBFD;
  --color-100: #DCF4F9;
  --color-200: #BBE7F1;
  --color-300: #8DD3E2;
  --color-400: #62BCD0;
  --color-500: #409FB5;
  --color-600: #387B8A;
  --color-700: #2D5862;
  --color-800: #213A40;
  --color-900: #162428;
  --color-on-base: #141310;
}

// tailwind.config.js
colors: {
  cool-white: {
    50: '#F2FBFD',
    100: '#DCF4F9',
    200: '#BBE7F1',
    300: '#8DD3E2',
    400: '#62BCD0',
    500: '#409FB5',
    600: '#387B8A',
    700: '#2D5862',
    800: '#213A40',
    900: '#162428',
  },
}

$base: #DDF3F8;
$base-ink: #141310;
$base-50: #F2FBFD;
$base-100: #DCF4F9;
$base-200: #BBE7F1;
$base-300: #8DD3E2;
$base-400: #62BCD0;
$base-500: #409FB5;
$base-600: #387B8A;
$base-700: #2D5862;
$base-800: #213A40;
$base-900: #162428;
$base-hover: #8FD8E8;
$base-subtle: #F6FBFC;

{
    "color": {
        "base": {
            "value": "#DDF3F8",
            "type": "color"
        },
        "onBase": {
            "value": "#141310",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F2FBFD",
                "type": "color"
            },
            "100": {
                "value": "#DCF4F9",
                "type": "color"
            },
            "200": {
                "value": "#BBE7F1",
                "type": "color"
            },
            "300": {
                "value": "#8DD3E2",
                "type": "color"
            },
            "400": {
                "value": "#62BCD0",
                "type": "color"
            },
            "500": {
                "value": "#409FB5",
                "type": "color"
            },
            "600": {
                "value": "#387B8A",
                "type": "color"
            },
            "700": {
                "value": "#2D5862",
                "type": "color"
            },
            "800": {
                "value": "#213A40",
                "type": "color"
            },
            "900": {
                "value": "#162428",
                "type": "color"
            }
        }
    }
}

Palettes built on #DDF3F8

Color Lab

Pairs with #DDF3F8

UI roles & guardrails

In real applications

Scales

Every model

Export