What color is #DEF8FB?

#DEF8FB is a pale low-chroma cool gray with a subtle cool cast. In RGB it is rgb(222, 248, 251), and in HSL hsl(186, 78%, 93%).

Is #DEF8FB accessible as text?

On white, #DEF8FB has a contrast ratio of 1.11:1 (fails WCAG AA for body text); on black it is 18.93:1 (passes). For text placed on #DEF8FB, use black for the best readability.

What is the closest Tailwind color to #DEF8FB?

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

What colors go well with #DEF8FB?

As a neutral, #DEF8FB 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 #DEF8FB the same as CSS lightcyan?

No — #DEF8FB is not the CSS named color lightcyan, but lightcyan (#E0FFFF) is the closest CSS named color.

#DEF8FB Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #DEF8FB

Not just a swatch — here's how #DEF8FB works with other colors. Named schemes with #DEF8FB in its natural role, and a note on why the supporting colors balance it.

Nordic Calm Accent · 5 colors

Accent #DEF8FB Secondary #AEB4B8 Surface #F1F2F0 Support #7A94A5 Anchor #2E3236

Light Cyan 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 #DEF8FB Accent #A6C4BE Surface #DFDABE Secondary #9AA0A0 Anchor #1D3549

Light Cyan 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 #DEF8FB Surface #EDEADC Highlight #F4F2E7 Secondary #B4B19F Ink #2A2723

Light Cyan 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 #DEF8FB Surface #14161A Highlight #F4F6F8 Secondary #596671 Accent #E8FFFF

Light Cyan 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 Cyan.

Minimal Editorial Surface · 5 colors

Surface #F6F4EF Accent #DEF8FB Secondary #F3FCFD Support #979286 Ink #16140F

Light Cyan 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 Cyan carrying the quiet middle.

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Color Lab

How #DEF8FB 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 4/100

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 7/100

Very low

Playful and accessible rather than exclusive.

Brand distinctiveness 11/100

Very low

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

UI accent fit 2/100

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 #DEF8FB

For UI

For branding

For interior

For fashion

People also use #DEF8FB 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 16.7:1. Use

Subtle surface Use #F9FDFD for cards and hover fills. Tint 80

Avoid beside #DFEFFB — 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 #DEF8FB 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: #DEF8FB;
  --color-base-rgb: 222 248 251;
  --color-base-oklch: oklch(96.1% 0.027 205.1);
  --color-50: #F1FDFE;
  --color-100: #DAF8FB;
  --color-200: #B6F0F6;
  --color-300: #85E0EA;
  --color-400: #58CDDA;
  --color-500: #36B1BF;
  --color-600: #308891;
  --color-700: #286167;
  --color-800: #1E3F43;
  --color-900: #142729;
  --color-on-base: #141310;
}

// tailwind.config.js
colors: {
  light-cyan: {
    50: '#F1FDFE',
    100: '#DAF8FB',
    200: '#B6F0F6',
    300: '#85E0EA',
    400: '#58CDDA',
    500: '#36B1BF',
    600: '#308891',
    700: '#286167',
    800: '#1E3F43',
    900: '#142729',
  },
}

$base: #DEF8FB;
$base-ink: #141310;
$base-50: #F1FDFE;
$base-100: #DAF8FB;
$base-200: #B6F0F6;
$base-300: #85E0EA;
$base-400: #58CDDA;
$base-500: #36B1BF;
$base-600: #308891;
$base-700: #286167;
$base-800: #1E3F43;
$base-900: #142729;
$base-hover: #8BE6F1;
$base-subtle: #F6FCFD;

{
    "color": {
        "base": {
            "value": "#DEF8FB",
            "type": "color"
        },
        "onBase": {
            "value": "#141310",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F1FDFE",
                "type": "color"
            },
            "100": {
                "value": "#DAF8FB",
                "type": "color"
            },
            "200": {
                "value": "#B6F0F6",
                "type": "color"
            },
            "300": {
                "value": "#85E0EA",
                "type": "color"
            },
            "400": {
                "value": "#58CDDA",
                "type": "color"
            },
            "500": {
                "value": "#36B1BF",
                "type": "color"
            },
            "600": {
                "value": "#308891",
                "type": "color"
            },
            "700": {
                "value": "#286167",
                "type": "color"
            },
            "800": {
                "value": "#1E3F43",
                "type": "color"
            },
            "900": {
                "value": "#142729",
                "type": "color"
            }
        }
    }
}

Palettes built on #DEF8FB

Color Lab

Pairs with #DEF8FB

UI roles & guardrails

In real applications

Scales

Every model

Export