What color is #C5DEEF?

#C5DEEF is a pale low-chroma blue-gray with a subtle blue cast. In RGB it is rgb(197, 222, 239), and in HSL hsl(204, 57%, 85%).

Is #C5DEEF accessible as text?

On white, #C5DEEF has a contrast ratio of 1.39:1 (fails WCAG AA for body text); on black it is 15.07:1 (passes). For text placed on #C5DEEF, use black for the best readability.

What is the closest Tailwind color to #C5DEEF?

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

What colors go well with #C5DEEF?

As a neutral, #C5DEEF 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 #C5DEEF the same as CSS powderblue?

No — #C5DEEF 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.

#C5DEEF Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #C5DEEF

Not just a swatch — here's how #C5DEEF works with other colors. Named schemes with #C5DEEF in its natural role, and a note on why the supporting colors balance it.

Nordic Calm Accent · 5 colors

Accent #C5DEEF Secondary #AEB4B8 Surface #F1F2F0 Support #7C93A6 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 #C5DEEF Accent #A6C4C0 Surface #DEDABF Secondary #9AA0A0 Anchor #1F344A

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 #C5DEEF Surface #ECEADC Highlight #F4F2E7 Secondary #B2B2A0 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 #C5DEEF Surface #14161A Highlight #F4F6F8 Secondary #5A6672 Accent #E7FEFF

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 #C5DEEF Secondary #F3FCFF Support #969386 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 #C5DEEF 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 40/100

Neutral

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

Softness 83/100

Very high

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

Depth 11/100

Very low

Airy and open — recedes, leaves the composition light.

Naturalness 0/100

Very low

Reads engineered rather than organic — synthetic, digital.

Vintage feel 21/100

Low

Clean and current — no dusty, aged cast.

Luxury 16/100

Very low

Playful and accessible rather than exclusive.

Brand distinctiveness 14/100

Very low

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

UI accent fit 7/100

Very low

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

Surface fit 79/100

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 #C5DEEF

For UI

For branding

For interior

For fashion

People also use #C5DEEF with

Pale Turquoise Periwinkle Bone Platinum 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 13.3:1. Use

Subtle surface Use #F4F8FA for cards and hover fills. Tint 80

Avoid beside #C3CFEF — 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 #C5DEEF 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: #C5DEEF;
  --color-base-rgb: 197 222 239;
  --color-base-oklch: oklch(88.7% 0.036 237.6);
  --color-50: #F3F8FC;
  --color-100: #DEEDF7;
  --color-200: #BFDBED;
  --color-300: #93BFDC;
  --color-400: #6AA2C8;
  --color-500: #4884AD;
  --color-600: #3D6884;
  --color-700: #304C5E;
  --color-800: #23333E;
  --color-900: #172026;
  --color-on-base: #141310;
}

// tailwind.config.js
colors: {
  powder-blue: {
    50: '#F3F8FC',
    100: '#DEEDF7',
    200: '#BFDBED',
    300: '#93BFDC',
    400: '#6AA2C8',
    500: '#4884AD',
    600: '#3D6884',
    700: '#304C5E',
    800: '#23333E',
    900: '#172026',
  },
}

$base: #C5DEEF;
$base-ink: #141310;
$base-50: #F3F8FC;
$base-100: #DEEDF7;
$base-200: #BFDBED;
$base-300: #93BFDC;
$base-400: #6AA2C8;
$base-500: #4884AD;
$base-600: #3D6884;
$base-700: #304C5E;
$base-800: #23333E;
$base-900: #172026;
$base-hover: #7FB7DC;
$base-subtle: #EFF5F8;

{
    "color": {
        "base": {
            "value": "#C5DEEF",
            "type": "color"
        },
        "onBase": {
            "value": "#141310",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F3F8FC",
                "type": "color"
            },
            "100": {
                "value": "#DEEDF7",
                "type": "color"
            },
            "200": {
                "value": "#BFDBED",
                "type": "color"
            },
            "300": {
                "value": "#93BFDC",
                "type": "color"
            },
            "400": {
                "value": "#6AA2C8",
                "type": "color"
            },
            "500": {
                "value": "#4884AD",
                "type": "color"
            },
            "600": {
                "value": "#3D6884",
                "type": "color"
            },
            "700": {
                "value": "#304C5E",
                "type": "color"
            },
            "800": {
                "value": "#23333E",
                "type": "color"
            },
            "900": {
                "value": "#172026",
                "type": "color"
            }
        }
    }
}

Palettes built on #C5DEEF

Color Lab

Pairs with #C5DEEF

UI roles & guardrails

In real applications

Scales

Every model

Export