What color is #648CF0?

#648CF0 is a light, vivid blue. In RGB it is rgb(100, 140, 240), and in HSL hsl(223, 82%, 67%).

Is #648CF0 accessible as text?

On white, #648CF0 has a contrast ratio of 3.21:1 (fails WCAG AA for body text); on black it is 6.55:1 (passes). For text placed on #648CF0, use black for the best readability.

What is the closest Tailwind color to #648CF0?

The nearest Tailwind CSS token is indigo-400 (#7C86FF).

What colors go well with #648CF0?

#648CF0 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #F0C966. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #648CF0 below.

Is #648CF0 good for buttons?

#648CF0 works well for buttons and highlights, but use black text on #648CF0 — white text only reaches 3.21:1, below the 4.5:1 needed for normal-size labels.

Is #648CF0 the same as CSS cornflowerblue?

No — #648CF0 is not the CSS named color cornflowerblue, but cornflowerblue (#6495ED) is the closest CSS named color.

#648CF0 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #648CF0

Not just a swatch — here's how #648CF0 works with other colors. Named schemes with #648CF0 in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #648CF0 Accent #A5C4C2 Surface #DDDBBF Secondary #9AA0A1 Anchor #21344A

Cornflower 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 #648CF0 Secondary #AEB4B8 Surface #F1F2F0 Support #7D93A7 Anchor #2E3236

Cornflower 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 #648CF0 Surface #14161A Highlight #F4F6F8 Secondary #5B6672 Accent #8CB3FF

Cornflower 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 Cornflower Blue.

Minimal Editorial Surface · 5 colors

Surface #F8F4EF Accent #648CF0 Secondary #ACBDE1 Support #9D8F88 Ink #18140F

Cornflower 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 Cornflower Blue carrying the quiet middle.

Modern Café Dominant · 5 colors

Dominant #648CF0 Anchor #3B2924 Surface #F3E1D2 Accent #779E7A Secondary #3C3734

Cornflower 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 #648CF0 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 13/100

Cool

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

Softness 47/100

Moderate

Middle-weight — neither delicate nor heavy.

Depth 36/100

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 34/100

Low

A faint retro warmth without tipping into sepia.

Luxury 40/100

Moderate

Understated — leans refined without going austere.

Brand distinctiveness 60/100

High

Bold and ownable — memorable as a primary brand color.

UI accent fit 75/100

High

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

Surface fit 22/100

Low

Too saturated or mid-toned for big areas — keep it to accents.

Print safety 72/100

High

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #648CF0

For UI

For branding

For interior

For fashion

People also use #648CF0 with

Powder Blue Medium Slate Blue Topaz 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 5.8:1. Use

Subtle surface Use #E4EAF8 for cards and hover fills. Tint 80

Avoid beside #6D66F0 — 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 #648CF0 at work across the surfaces designers actually ship.

Website / UI

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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: #648CF0;
  --color-base-rgb: 100 140 240;
  --color-base-oklch: oklch(65.8% 0.156 265.9);
  --color-50: #F0F4FE;
  --color-100: #D9E3FC;
  --color-200: #B5C8F8;
  --color-300: #83A1ED;
  --color-400: #557CDD;
  --color-500: #325BC3;
  --color-600: #2E4B94;
  --color-700: #263969;
  --color-800: #1D2844;
  --color-900: #141A2A;
  --color-on-base: #141310;
}

// tailwind.config.js
colors: {
  cornflower-blue: {
    50: '#F0F4FE',
    100: '#D9E3FC',
    200: '#B5C8F8',
    300: '#83A1ED',
    400: '#557CDD',
    500: '#325BC3',
    600: '#2E4B94',
    700: '#263969',
    800: '#1D2844',
    900: '#141A2A',
  },
}

$base: #648CF0;
$base-ink: #141310;
$base-50: #F0F4FE;
$base-100: #D9E3FC;
$base-200: #B5C8F8;
$base-300: #83A1ED;
$base-400: #557CDD;
$base-500: #325BC3;
$base-600: #2E4B94;
$base-700: #263969;
$base-800: #1D2844;
$base-900: #141A2A;
$base-hover: #285FEA;
$base-subtle: #D6DFF5;

{
    "color": {
        "base": {
            "value": "#648CF0",
            "type": "color"
        },
        "onBase": {
            "value": "#141310",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F0F4FE",
                "type": "color"
            },
            "100": {
                "value": "#D9E3FC",
                "type": "color"
            },
            "200": {
                "value": "#B5C8F8",
                "type": "color"
            },
            "300": {
                "value": "#83A1ED",
                "type": "color"
            },
            "400": {
                "value": "#557CDD",
                "type": "color"
            },
            "500": {
                "value": "#325BC3",
                "type": "color"
            },
            "600": {
                "value": "#2E4B94",
                "type": "color"
            },
            "700": {
                "value": "#263969",
                "type": "color"
            },
            "800": {
                "value": "#1D2844",
                "type": "color"
            },
            "900": {
                "value": "#141A2A",
                "type": "color"
            }
        }
    }
}

Palettes built on #648CF0

Color Lab

Pairs with #648CF0

UI roles & guardrails

In real applications

Scales

Every model

Export