What color is #DDEFF0?

#DDEFF0 is a pale low-chroma cool gray with a subtle cool cast. In RGB it is rgb(221, 239, 240), and in HSL hsl(183, 39%, 90%).

Is #DDEFF0 accessible as text?

On white, #DDEFF0 has a contrast ratio of 1.19:1 (fails WCAG AA for body text); on black it is 17.68:1 (passes). For text placed on #DDEFF0, use black for the best readability.

What is the closest Tailwind color to #DDEFF0?

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

What colors go well with #DDEFF0?

As a neutral, #DDEFF0 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 #DDEFF0 the same as CSS lavender?

No — #DDEFF0 is not the CSS named color lavender, but lavender (#E6E6FA) 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.

#DDEFF0 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #DDEFF0

Not just a swatch — here's how #DDEFF0 works with other colors. Named schemes with #DDEFF0 in its natural role, and a note on why the supporting colors balance it.

Japanese Sand Base · 5 colors

Base #DDEFF0 Surface #EDEADC Highlight #F5F2E7 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.

Coastal Morning Lead · 5 colors

Lead #DDEFF0 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.

Tech Product Signal · 5 colors

Signal #DDEFF0 Surface #14161A Highlight #F4F6F8 Secondary #596771 Accent #EEFEFF

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.

Nordic Calm Accent · 5 colors

Accent #DDEFF0 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.

Minimal Editorial Surface · 5 colors

Surface #F6F4EF Accent #DDEFF0 Secondary #F5FCFC 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.

Build a working theme in the generator →

Color Lab

How #DDEFF0 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 45/100

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 6/100

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 9/100

Very low

Playful and accessible rather than exclusive.

Brand distinctiveness 7/100

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 95/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #DDEFF0

For UI

For branding

For interior

For fashion

People also use #DDEFF0 with

Seafoam Lavender Greige 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 15.6:1. Use

Subtle surface Use #F8FBFB for cards and hover fills. Tint 80

Avoid beside #DCE8EF — 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 #DDEFF0 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: #DDEFF0;
  --color-base-rgb: 221 239 240;
  --color-base-oklch: oklch(93.9% 0.019 200.9);
  --color-50: #F4FAFB;
  --color-100: #E2F2F3;
  --color-200: #C6E4E6;
  --color-300: #9ECED1;
  --color-400: #79B6B9;
  --color-500: #58999D;
  --color-600: #497779;
  --color-700: #385657;
  --color-800: #27393A;
  --color-900: #192324;
  --color-on-base: #141310;
}

// tailwind.config.js
colors: {
  cool-white: {
    50: '#F4FAFB',
    100: '#E2F2F3',
    200: '#C6E4E6',
    300: '#9ECED1',
    400: '#79B6B9',
    500: '#58999D',
    600: '#497779',
    700: '#385657',
    800: '#27393A',
    900: '#192324',
  },
}

$base: #DDEFF0;
$base-ink: #141310;
$base-50: #F4FAFB;
$base-100: #E2F2F3;
$base-200: #C6E4E6;
$base-300: #9ECED1;
$base-400: #79B6B9;
$base-500: #58999D;
$base-600: #497779;
$base-700: #385657;
$base-800: #27393A;
$base-900: #192324;
$base-hover: #9CD1D3;
$base-subtle: #F5F9FA;

{
    "color": {
        "base": {
            "value": "#DDEFF0",
            "type": "color"
        },
        "onBase": {
            "value": "#141310",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F4FAFB",
                "type": "color"
            },
            "100": {
                "value": "#E2F2F3",
                "type": "color"
            },
            "200": {
                "value": "#C6E4E6",
                "type": "color"
            },
            "300": {
                "value": "#9ECED1",
                "type": "color"
            },
            "400": {
                "value": "#79B6B9",
                "type": "color"
            },
            "500": {
                "value": "#58999D",
                "type": "color"
            },
            "600": {
                "value": "#497779",
                "type": "color"
            },
            "700": {
                "value": "#385657",
                "type": "color"
            },
            "800": {
                "value": "#27393A",
                "type": "color"
            },
            "900": {
                "value": "#192324",
                "type": "color"
            }
        }
    }
}

Palettes built on #DDEFF0

Color Lab

Pairs with #DDEFF0

UI roles & guardrails

In real applications

Scales

Every model

Export