What color is #DDF3F5?

#DDF3F5 is a pale low-chroma cool gray with a subtle cool cast. In RGB it is rgb(221, 243, 245), and in HSL hsl(185, 55%, 91%).

Is #DDF3F5 accessible as text?

On white, #DDF3F5 has a contrast ratio of 1.15:1 (fails WCAG AA for body text); on black it is 18.21:1 (passes). For text placed on #DDF3F5, use black for the best readability.

What is the closest Tailwind color to #DDF3F5?

The nearest Tailwind CSS token is slate-200 (#E2E8F0).

What colors go well with #DDF3F5?

As a neutral, #DDF3F5 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 #DDF3F5 the same as CSS lightcyan?

No — #DDF3F5 is not the CSS named color lightcyan, but lightcyan (#E0FFFF) is the closest CSS named color.

#DDF3F5 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #DDF3F5

Not just a swatch — here's how #DDF3F5 works with other colors. Named schemes with #DDF3F5 in its natural role, and a note on why the supporting colors balance it.

Nordic Calm Accent · 5 colors

Accent #DDF3F5 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 #DDF3F5 Accent #A6C4BE Surface #DFDABE Secondary #9AA0A0 Anchor #1D3549

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 #DDF3F5 Surface #EDEADC Highlight #F4F2E7 Secondary #B4B19F 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 #DDF3F5 Surface #14161A Highlight #F4F6F8 Secondary #596771 Accent #EBFFFF

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 #DDF3F5 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 #DDF3F5 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 44/100

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 3/100

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 94/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #DDF3F5

For UI

For branding

For interior

For fashion

People also use #DDF3F5 with

Seafoam Lavender Almond 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 #F9FCFC for cards and hover fills. Tint 80

Avoid beside #DBEAF5 — 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 #DDF3F5 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: #DDF3F5;
  --color-base-rgb: 221 243 245;
  --color-base-oklch: oklch(94.9% 0.023 203.4);
  --color-50: #F3FBFC;
  --color-100: #DFF4F6;
  --color-200: #C0E9ED;
  --color-300: #94D5DB;
  --color-400: #6BBFC7;
  --color-500: #4AA3AB;
  --color-600: #3F7D83;
  --color-700: #315A5E;
  --color-800: #233B3E;
  --color-900: #172526;
  --color-on-base: #141310;
}

// tailwind.config.js
colors: {
  cool-white: {
    50: '#F3FBFC',
    100: '#DFF4F6',
    200: '#C0E9ED',
    300: '#94D5DB',
    400: '#6BBFC7',
    500: '#4AA3AB',
    600: '#3F7D83',
    700: '#315A5E',
    800: '#233B3E',
    900: '#172526',
  },
}

$base: #DDF3F5;
$base-ink: #141310;
$base-50: #F3FBFC;
$base-100: #DFF4F6;
$base-200: #C0E9ED;
$base-300: #94D5DB;
$base-400: #6BBFC7;
$base-500: #4AA3AB;
$base-600: #3F7D83;
$base-700: #315A5E;
$base-800: #233B3E;
$base-900: #172526;
$base-hover: #93D9E0;
$base-subtle: #F5FBFB;

{
    "color": {
        "base": {
            "value": "#DDF3F5",
            "type": "color"
        },
        "onBase": {
            "value": "#141310",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F3FBFC",
                "type": "color"
            },
            "100": {
                "value": "#DFF4F6",
                "type": "color"
            },
            "200": {
                "value": "#C0E9ED",
                "type": "color"
            },
            "300": {
                "value": "#94D5DB",
                "type": "color"
            },
            "400": {
                "value": "#6BBFC7",
                "type": "color"
            },
            "500": {
                "value": "#4AA3AB",
                "type": "color"
            },
            "600": {
                "value": "#3F7D83",
                "type": "color"
            },
            "700": {
                "value": "#315A5E",
                "type": "color"
            },
            "800": {
                "value": "#233B3E",
                "type": "color"
            },
            "900": {
                "value": "#172526",
                "type": "color"
            }
        }
    }
}

Palettes built on #DDF3F5

Color Lab

Pairs with #DDF3F5

UI roles & guardrails

In real applications

Scales

Every model

Export