What color is #C4E3E9?

#C4E3E9 is a pale low-chroma cool gray with a subtle cool cast. In RGB it is rgb(196, 227, 233), and in HSL hsl(190, 46%, 84%).

Is #C4E3E9 accessible as text?

On white, #C4E3E9 has a contrast ratio of 1.35:1 (fails WCAG AA for body text); on black it is 15.51:1 (passes). For text placed on #C4E3E9, use black for the best readability.

What is the closest Tailwind color to #C4E3E9?

The nearest Tailwind CSS token is slate-300 (#CAD5E2).

What colors go well with #C4E3E9?

As a neutral, #C4E3E9 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 #C4E3E9 the same as CSS powderblue?

No — #C4E3E9 is not the CSS named color powderblue, but powderblue (#B0E0E6) 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.

#C4E3E9 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #C4E3E9

Not just a swatch — here's how #C4E3E9 works with other colors. Named schemes with #C4E3E9 in its natural role, and a note on why the supporting colors balance it.

Nordic Calm Accent · 5 colors

Accent #C4E3E9 Secondary #AEB4B8 Surface #F1F2F0 Support #7A94A5 Anchor #2E3236

Powder Blue 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 #C4E3E9 Accent #A6C4BE Surface #DFDABE Secondary #9AA0A0 Anchor #1E3549

Powder Blue 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 #C4E3E9 Surface #ECEADC Highlight #F4F2E7 Secondary #B4B19F Ink #2A2723

Powder Blue 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 #C4E3E9 Surface #14161A Highlight #F4F6F8 Secondary #596672 Accent #E4FFFF

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

Minimal Editorial Surface · 5 colors

Surface #F6F4EF Accent #C4E3E9 Secondary #F2FCFF Support #979286 Ink #16140F

Powder Blue 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 Powder Blue carrying the quiet middle.

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Color Lab

How #C4E3E9 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 41/100

Neutral

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

Softness 84/100

Very high

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

Depth 10/100

Very low

Airy and open — recedes, leaves the composition light.

Naturalness 2/100

Very low

Reads engineered rather than organic — synthetic, digital.

Vintage feel 21/100

Low

Clean and current — no dusty, aged cast.

Luxury 15/100

Very low

Playful and accessible rather than exclusive.

Brand distinctiveness 13/100

Very low

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

UI accent fit 6/100

Very low

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

Surface fit 80/100

High

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

Print safety 91/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #C4E3E9

For UI

For branding

For interior

For fashion

People also use #C4E3E9 with

Seafoam Periwinkle Rose Quartz 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 13.7:1. Use

Subtle surface Use #F4F9FA for cards and hover fills. Tint 80

Avoid beside #C3D6E9 — 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 #C4E3E9 at work across the surfaces designers actually ship.

Website / UI

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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: #C4E3E9;
  --color-base-rgb: 196 227 233;
  --color-base-oklch: oklch(89.5% 0.034 210.6);
  --color-50: #F3FAFB;
  --color-100: #E1F1F5;
  --color-200: #C4E3E9;
  --color-300: #9ACBD5;
  --color-400: #73B2BF;
  --color-500: #5295A3;
  --color-600: #44747E;
  --color-700: #35545A;
  --color-800: #25383C;
  --color-900: #182325;
  --color-on-base: #141310;
}

// tailwind.config.js
colors: {
  powder-blue: {
    50: '#F3FAFB',
    100: '#E1F1F5',
    200: '#C4E3E9',
    300: '#9ACBD5',
    400: '#73B2BF',
    500: '#5295A3',
    600: '#44747E',
    700: '#35545A',
    800: '#25383C',
    900: '#182325',
  },
}

$base: #C4E3E9;
$base-ink: #141310;
$base-50: #F3FAFB;
$base-100: #E1F1F5;
$base-200: #C4E3E9;
$base-300: #9ACBD5;
$base-400: #73B2BF;
$base-500: #5295A3;
$base-600: #44747E;
$base-700: #35545A;
$base-800: #25383C;
$base-900: #182325;
$base-hover: #85C5D2;
$base-subtle: #EEF6F7;

{
    "color": {
        "base": {
            "value": "#C4E3E9",
            "type": "color"
        },
        "onBase": {
            "value": "#141310",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F3FAFB",
                "type": "color"
            },
            "100": {
                "value": "#E1F1F5",
                "type": "color"
            },
            "200": {
                "value": "#C4E3E9",
                "type": "color"
            },
            "300": {
                "value": "#9ACBD5",
                "type": "color"
            },
            "400": {
                "value": "#73B2BF",
                "type": "color"
            },
            "500": {
                "value": "#5295A3",
                "type": "color"
            },
            "600": {
                "value": "#44747E",
                "type": "color"
            },
            "700": {
                "value": "#35545A",
                "type": "color"
            },
            "800": {
                "value": "#25383C",
                "type": "color"
            },
            "900": {
                "value": "#182325",
                "type": "color"
            }
        }
    }
}

Palettes built on #C4E3E9

Color Lab

Pairs with #C4E3E9

UI roles & guardrails

In real applications

Scales

Every model

Export