What color is #C6CDEF?

#C6CDEF is a pale, soft blue-violet. In RGB it is rgb(198, 205, 239), and in HSL hsl(230, 56%, 86%).

Is #C6CDEF accessible as text?

On white, #C6CDEF has a contrast ratio of 1.57:1 (fails WCAG AA for body text); on black it is 13.38:1 (passes). For text placed on #C6CDEF, use black for the best readability.

What is the closest Tailwind color to #C6CDEF?

The nearest Tailwind CSS token is indigo-200 (#C6D2FF).

What colors go well with #C6CDEF?

#C6CDEF pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #EFE9C7. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #C6CDEF below.

Is #C6CDEF good for buttons?

#C6CDEF works well for buttons and highlights, but use black text on #C6CDEF — white text only reaches 1.57:1, below the 4.5:1 needed for normal-size labels.

Is #C6CDEF the same as CSS lightsteelblue?

No — #C6CDEF is not the CSS named color lightsteelblue, but lightsteelblue (#B0C4DE) is the closest CSS named color.

#C6CDEF Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #C6CDEF

Not just a swatch — here's how #C6CDEF works with other colors. Named schemes with #C6CDEF in its natural role, and a note on why the supporting colors balance it.

Nordic Calm Accent · 5 colors

Accent #C6CDEF Secondary #AEB4B8 Surface #F1F2F0 Support #7E92A7 Anchor #2E3236

Periwinkle keeps this Nordic scheme quiet — cool greys and a soft white around it, a muted-blue support and a charcoal anchor.

Japanese Sand Base · 5 colors

Base #C6CDEF Surface #F2E8DD Highlight #F8F0E7 Secondary #BEADA2 Ink #2C2724

Periwinkle 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 #C6CDEF Accent #A5C4C2 Surface #EAD5BF Secondary #9AA0A1 Anchor #21344A

Periwinkle opens this coastal palette with sea-glass and warm sand alongside it, grounded by driftwood grey and a deep-navy anchor.

Minimal Editorial Surface · 5 colors

Surface #F8F4EF Accent #C6CDEF Secondary #F7F9FF Support #9D9088 Ink #18140F

Periwinkle 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 Periwinkle carrying the quiet middle.

Tech Product Signal · 5 colors

Signal #C6CDEF Surface #14161A Highlight #F4F6F8 Secondary #5B6672 Accent #EEF5FF

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

Build a working theme in the generator →

Color Lab

How #C6CDEF 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 78/100

High

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

Depth 14/100

Very low

Airy and open — recedes, leaves the composition light.

Naturalness 0/100

Very low

Reads engineered rather than organic — synthetic, digital.

Vintage feel 28/100

Low

A faint retro warmth without tipping into sepia.

Luxury 20/100

Very low

Playful and accessible rather than exclusive.

Brand distinctiveness 18/100

Very low

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

UI accent fit 11/100

Very low

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

Surface fit 72/100

High

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

Print safety 92/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #C6CDEF

For UI

For branding

For interior

For fashion

People also use #C6CDEF with

Powder Blue Periwinkle Champagne Gainsboro Prussian Blue

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 11.8:1. Use

Subtle surface Use #F5F6FB for cards and hover fills. Tint 80

Avoid beside #CEC7EF — 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 #C6CDEF 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: #C6CDEF;
  --color-base-rgb: 198 205 239;
  --color-base-oklch: oklch(85.4% 0.048 276.2);
  --color-50: #F3F4FC;
  --color-100: #DFE3F7;
  --color-200: #BFC7ED;
  --color-300: #93A0DC;
  --color-400: #6B7AC7;
  --color-500: #495AAC;
  --color-600: #3E4A84;
  --color-700: #31385E;
  --color-800: #23273E;
  --color-900: #171A26;
  --color-on-base: #141310;
}

// tailwind.config.js
colors: {
  periwinkle: {
    50: '#F3F4FC',
    100: '#DFE3F7',
    200: '#BFC7ED',
    300: '#93A0DC',
    400: '#6B7AC7',
    500: '#495AAC',
    600: '#3E4A84',
    700: '#31385E',
    800: '#23273E',
    900: '#171A26',
  },
}

$base: #C6CDEF;
$base-ink: #141310;
$base-50: #F3F4FC;
$base-100: #DFE3F7;
$base-200: #BFC7ED;
$base-300: #93A0DC;
$base-400: #6B7AC7;
$base-500: #495AAC;
$base-600: #3E4A84;
$base-700: #31385E;
$base-800: #23273E;
$base-900: #171A26;
$base-hover: #8392DC;
$base-subtle: #F0F1F9;

{
    "color": {
        "base": {
            "value": "#C6CDEF",
            "type": "color"
        },
        "onBase": {
            "value": "#141310",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F3F4FC",
                "type": "color"
            },
            "100": {
                "value": "#DFE3F7",
                "type": "color"
            },
            "200": {
                "value": "#BFC7ED",
                "type": "color"
            },
            "300": {
                "value": "#93A0DC",
                "type": "color"
            },
            "400": {
                "value": "#6B7AC7",
                "type": "color"
            },
            "500": {
                "value": "#495AAC",
                "type": "color"
            },
            "600": {
                "value": "#3E4A84",
                "type": "color"
            },
            "700": {
                "value": "#31385E",
                "type": "color"
            },
            "800": {
                "value": "#23273E",
                "type": "color"
            },
            "900": {
                "value": "#171A26",
                "type": "color"
            }
        }
    }
}

Palettes built on #C6CDEF

Color Lab

Pairs with #C6CDEF

UI roles & guardrails

In real applications

Scales

Every model

Export