What color is #649BEF?

#649BEF is a light, vivid blue. In RGB it is rgb(100, 155, 239), and in HSL hsl(216, 81%, 66%).

Is #649BEF accessible as text?

On white, #649BEF has a contrast ratio of 2.81:1 (fails WCAG AA for body text); on black it is 7.48:1 (passes). For text placed on #649BEF, use black for the best readability.

What is the closest Tailwind color to #649BEF?

The nearest Tailwind CSS token is blue-400 (#51A2FF).

What colors go well with #649BEF?

#649BEF pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #EFB662. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #649BEF below.

Is #649BEF good for buttons?

#649BEF works well for buttons and highlights, but use black text on #649BEF — white text only reaches 2.81:1, below the 4.5:1 needed for normal-size labels.

Is #649BEF the same as CSS cornflowerblue?

No — #649BEF is not the CSS named color cornflowerblue, but cornflowerblue (#6495ED) is the closest CSS named color.

#649BEF Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #649BEF

Not just a swatch — here's how #649BEF works with other colors. Named schemes with #649BEF in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #649BEF Accent #A5C4C1 Surface #DDDBBF Secondary #9AA0A1 Anchor #20344A

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 #649BEF Secondary #AEB4B8 Surface #F1F2F0 Support #7D93A6 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 #649BEF Surface #14161A Highlight #F4F6F8 Secondary #5A6672 Accent #8FC2FF

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 #F6F4EF Accent #649BEF Secondary #B4C8E7 Support #9D8F89 Ink #16140F

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 #649BEF Anchor #3B2924 Surface #EAE5D0 Accent #789E79 Secondary #393933

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 #649BEF 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 14/100

Cool

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

Softness 52/100

Moderate

Middle-weight — neither delicate nor heavy.

Depth 32/100

Low

Airy and open — recedes, leaves the composition light.

Naturalness 0/100

Very low

Reads engineered rather than organic — synthetic, digital.

Vintage feel 36/100

Low

A faint retro warmth without tipping into sepia.

Luxury 38/100

Low

Understated — leans refined without going austere.

Brand distinctiveness 53/100

Moderate

Recognisable but shares space with nearby hues.

UI accent fit 65/100

High

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

Surface fit 29/100

Low

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

Print safety 73/100

High

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #649BEF

For UI

For branding

For interior

For fashion

People also use #649BEF with

Electric Blue Medium Slate Blue Fawn 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 Only on dark surfaces. Avoid

Background Pair with #141310 text at 6.6:1. Use

Subtle surface Use #E4ECF8 for cards and hover fills. Tint 80

Avoid beside #626BEF — 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 #649BEF at work across the surfaces designers actually ship.

Website / UI

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Build faster.

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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: #649BEF;
  --color-base-rgb: 100 155 239;
  --color-base-oklch: oklch(68.8% 0.138 258.6);
  --color-50: #F1F6FE;
  --color-100: #D9E7FC;
  --color-200: #B5D0F7;
  --color-300: #83ADEC;
  --color-400: #568CDC;
  --color-500: #336CC2;
  --color-600: #2E5793;
  --color-700: #274168;
  --color-800: #1D2D44;
  --color-900: #141C2A;
  --color-on-base: #141310;
}

// tailwind.config.js
colors: {
  cornflower-blue: {
    50: '#F1F6FE',
    100: '#D9E7FC',
    200: '#B5D0F7',
    300: '#83ADEC',
    400: '#568CDC',
    500: '#336CC2',
    600: '#2E5793',
    700: '#274168',
    800: '#1D2D44',
    900: '#141C2A',
  },
}

$base: #649BEF;
$base-ink: #141310;
$base-50: #F1F6FE;
$base-100: #D9E7FC;
$base-200: #B5D0F7;
$base-300: #83ADEC;
$base-400: #568CDC;
$base-500: #336CC2;
$base-600: #2E5793;
$base-700: #274168;
$base-800: #1D2D44;
$base-900: #141C2A;
$base-hover: #2573E8;
$base-subtle: #D5E2F5;

{
    "color": {
        "base": {
            "value": "#649BEF",
            "type": "color"
        },
        "onBase": {
            "value": "#141310",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F1F6FE",
                "type": "color"
            },
            "100": {
                "value": "#D9E7FC",
                "type": "color"
            },
            "200": {
                "value": "#B5D0F7",
                "type": "color"
            },
            "300": {
                "value": "#83ADEC",
                "type": "color"
            },
            "400": {
                "value": "#568CDC",
                "type": "color"
            },
            "500": {
                "value": "#336CC2",
                "type": "color"
            },
            "600": {
                "value": "#2E5793",
                "type": "color"
            },
            "700": {
                "value": "#274168",
                "type": "color"
            },
            "800": {
                "value": "#1D2D44",
                "type": "color"
            },
            "900": {
                "value": "#141C2A",
                "type": "color"
            }
        }
    }
}