What color is #E4F0FB?

#E4F0FB is a pale low-chroma blue-gray with a subtle blue cast. In RGB it is rgb(228, 240, 251), and in HSL hsl(209, 74%, 94%).

Is #E4F0FB accessible as text?

On white, #E4F0FB has a contrast ratio of 1.16:1 (fails WCAG AA for body text); on black it is 18.16:1 (passes). For text placed on #E4F0FB, use black for the best readability.

What is the closest Tailwind color to #E4F0FB?

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

What colors go well with #E4F0FB?

As a neutral, #E4F0FB 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 #E4F0FB the same as CSS lavender?

No — #E4F0FB 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.

#E4F0FB Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #E4F0FB

Not just a swatch — here's how #E4F0FB works with other colors. Named schemes with #E4F0FB in its natural role, and a note on why the supporting colors balance it.

Nordic Calm Accent · 5 colors

Accent #E4F0FB Secondary #AEB4B8 Surface #F1F2F0 Support #7C93A6 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 #E4F0FB Accent #A5C4C0 Surface #DEDBBF Secondary #9AA0A1 Anchor #20344A

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 #E4F0FB Surface #14161A Highlight #F4F6F8 Secondary #5A6672 Accent #F1FCFF

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.

Japanese Sand Base · 5 colors

Base #E4F0FB Surface #ECEADC Highlight #F4F2E7 Secondary #B2B2A0 Ink #2A2823

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.

Minimal Editorial Surface · 5 colors

Surface #F6F4EF Accent #E4F0FB Secondary #F6FBFF Support #969386 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 #E4F0FB 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 92/100

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 0/100

Very low

Reads engineered rather than organic — synthetic, digital.

Vintage feel 15/100

Very low

Clean and current — no dusty, aged cast.

Luxury 8/100

Very low

Playful and accessible rather than exclusive.

Brand distinctiveness 8/100

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 89/100

Very high

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

Print safety 96/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #E4F0FB

For UI

For branding

For interior

For fashion

People also use #E4F0FB with

Celeste Lavender Linen Gainsboro Charcoal

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 #FAFCFE for cards and hover fills. Tint 80

Avoid beside #E4E9FB — 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 #E4F0FB at work across the surfaces designers actually ship.

Website / UI

Northwind Sign up

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: #E4F0FB;
  --color-base-rgb: 228 240 251;
  --color-base-oklch: oklch(94.9% 0.020 245.6);
  --color-50: #F1F8FE;
  --color-100: #DBEBFB;
  --color-200: #B8D7F4;
  --color-300: #88B9E7;
  --color-400: #5C9BD6;
  --color-500: #397DBC;
  --color-600: #33628F;
  --color-700: #2A4865;
  --color-800: #1F3142;
  --color-900: #151F29;
  --color-on-base: #141310;
}

// tailwind.config.js
colors: {
  cool-white: {
    50: '#F1F8FE',
    100: '#DBEBFB',
    200: '#B8D7F4',
    300: '#88B9E7',
    400: '#5C9BD6',
    500: '#397DBC',
    600: '#33628F',
    700: '#2A4865',
    800: '#1F3142',
    900: '#151F29',
  },
}

$base: #E4F0FB;
$base-ink: #141310;
$base-50: #F1F8FE;
$base-100: #DBEBFB;
$base-200: #B8D7F4;
$base-300: #88B9E7;
$base-400: #5C9BD6;
$base-500: #397DBC;
$base-600: #33628F;
$base-700: #2A4865;
$base-800: #1F3142;
$base-900: #151F29;
$base-hover: #91C1EF;
$base-subtle: #F8FAFD;

{
    "color": {
        "base": {
            "value": "#E4F0FB",
            "type": "color"
        },
        "onBase": {
            "value": "#141310",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F1F8FE",
                "type": "color"
            },
            "100": {
                "value": "#DBEBFB",
                "type": "color"
            },
            "200": {
                "value": "#B8D7F4",
                "type": "color"
            },
            "300": {
                "value": "#88B9E7",
                "type": "color"
            },
            "400": {
                "value": "#5C9BD6",
                "type": "color"
            },
            "500": {
                "value": "#397DBC",
                "type": "color"
            },
            "600": {
                "value": "#33628F",
                "type": "color"
            },
            "700": {
                "value": "#2A4865",
                "type": "color"
            },
            "800": {
                "value": "#1F3142",
                "type": "color"
            },
            "900": {
                "value": "#151F29",
                "type": "color"
            }
        }
    }
}

Palettes built on #E4F0FB

Color Lab

Pairs with #E4F0FB

UI roles & guardrails

In real applications

Scales

Every model

Export