What color is #668FCD?

#668FCD is a medium blue. In RGB it is rgb(102, 143, 205), and in HSL hsl(216, 51%, 60%).

Is #668FCD accessible as text?

On white, #668FCD has a contrast ratio of 3.29:1 (fails WCAG AA for body text); on black it is 6.38:1 (passes). For text placed on #668FCD, use black for the best readability.

What is the closest Tailwind color to #668FCD?

The nearest Tailwind CSS token is cyan-600 (#0092B8).

What colors go well with #668FCD?

#668FCD pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #CDA365. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #668FCD below.

Is #668FCD good for buttons?

#668FCD works well for buttons and highlights, but use black text on #668FCD — white text only reaches 3.29:1, below the 4.5:1 needed for normal-size labels.

Is #668FCD the same as CSS cornflowerblue?

No — #668FCD is not the CSS named color cornflowerblue, but cornflowerblue (#6495ED) is the closest CSS named color.

#668FCD Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #668FCD

Not just a swatch — here's how #668FCD works with other colors. Named schemes with #668FCD in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #668FCD Accent #A5C4C1 Surface #DDDBBF Secondary #9AA0A1 Anchor #20344A

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

Nordic Calm Accent · 5 colors

Accent #668FCD Secondary #AEB4B8 Surface #F1F2F0 Support #7D93A6 Anchor #2E3236

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

Tech Product Signal · 5 colors

Signal #668FCD Surface #14161A Highlight #F4F6F8 Secondary #5A6672 Accent #8EB5EF

Ocean 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 Ocean Blue.

Minimal Editorial Surface · 5 colors

Surface #F6F4EF Accent #668FCD Secondary #ABBAD1 Support #9D8F89 Ink #16140F

Ocean 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 Ocean Blue carrying the quiet middle.

Modern Café Dominant · 5 colors

Dominant #668FCD Anchor #3B2924 Surface #EAE5D0 Accent #789E79 Secondary #393933

Ocean Blue anchors this café scheme as the warm mid-tone, lifted by latte cream and a muted sage accent and grounded by espresso brown and a warm charcoal.

Build a working theme in the generator →

Color Lab

How #668FCD 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 23/100

Cool

Reads cool and recessive — calming, technical, good for trust-led UI.

Softness 53/100

Moderate

Middle-weight — neither delicate nor heavy.

Depth 35/100

Low

Mid depth — usable as an accent or a muted ground.

Naturalness 0/100

Very low

Reads engineered rather than organic — synthetic, digital.

Vintage feel 49/100

Moderate

A faint retro warmth without tipping into sepia.

Luxury 43/100

Moderate

Understated — leans refined without going austere.

Brand distinctiveness 40/100

Moderate

Recognisable but shares space with nearby hues.

UI accent fit 75/100

High

Strong interactive accent — visible and can carry a legible label.

Surface fit 35/100

Low

Usable as a tinted surface in measured doses.

Print safety 79/100

High

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #668FCD

For UI

For branding

For interior

For fashion

People also use #668FCD with

Sky Blue Slate Blue Buff Gainsboro Charcoal

UI roles & guardrails

Primary action Safe as a filled button with near-black label. AA

Body text Do not use for body copy on light surfaces. Avoid

Large display Fine for headings 24px+ on white. Pass

Background Pair with #141310 text at 5.6:1. Use

Subtle surface Use #E3E9F2 for cards and hover fills. Tint 80

Avoid beside #656CCD — 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 #668FCD 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: #668FCD;
  --color-base-rgb: 102 143 205;
  --color-base-oklch: oklch(64.6% 0.104 258.4);
  --color-50: #F3F6FC;
  --color-100: #E0E8F6;
  --color-200: #C1D2EB;
  --color-300: #97B1D9;
  --color-400: #6F91C3;
  --color-500: #4E71A7;
  --color-600: #415B81;
  --color-700: #33435C;
  --color-800: #242E3D;
  --color-900: #181D26;
  --color-on-base: #141310;
}

// tailwind.config.js
colors: {
  ocean-blue: {
    50: '#F3F6FC',
    100: '#E0E8F6',
    200: '#C1D2EB',
    300: '#97B1D9',
    400: '#6F91C3',
    500: '#4E71A7',
    600: '#415B81',
    700: '#33435C',
    800: '#242E3D',
    900: '#181D26',
  },
}

$base: #668FCD;
$base-ink: #141310;
$base-50: #F3F6FC;
$base-100: #E0E8F6;
$base-200: #C1D2EB;
$base-300: #97B1D9;
$base-400: #6F91C3;
$base-500: #4E71A7;
$base-600: #415B81;
$base-700: #33435C;
$base-800: #242E3D;
$base-900: #181D26;
$base-hover: #3C6EB9;
$base-subtle: #D5DEEC;

{
    "color": {
        "base": {
            "value": "#668FCD",
            "type": "color"
        },
        "onBase": {
            "value": "#141310",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F3F6FC",
                "type": "color"
            },
            "100": {
                "value": "#E0E8F6",
                "type": "color"
            },
            "200": {
                "value": "#C1D2EB",
                "type": "color"
            },
            "300": {
                "value": "#97B1D9",
                "type": "color"
            },
            "400": {
                "value": "#6F91C3",
                "type": "color"
            },
            "500": {
                "value": "#4E71A7",
                "type": "color"
            },
            "600": {
                "value": "#415B81",
                "type": "color"
            },
            "700": {
                "value": "#33435C",
                "type": "color"
            },
            "800": {
                "value": "#242E3D",
                "type": "color"
            },
            "900": {
                "value": "#181D26",
                "type": "color"
            }
        }
    }
}

Palettes built on #668FCD

Color Lab

Pairs with #668FCD

UI roles & guardrails

In real applications

Scales

Every model

Export