What color is #649DCF?

#649DCF is a medium blue. In RGB it is rgb(100, 157, 207), and in HSL hsl(208, 53%, 60%).

Is #649DCF accessible as text?

On white, #649DCF has a contrast ratio of 2.89:1 (fails WCAG AA for body text); on black it is 7.27:1 (passes). For text placed on #649DCF, use black for the best readability.

What is the closest Tailwind color to #649DCF?

The nearest Tailwind CSS token is sky-500 (#00A6F4).

What colors go well with #649DCF?

#649DCF pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #CF9563. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #649DCF below.

Is #649DCF good for buttons?

#649DCF works well for buttons and highlights, but use black text on #649DCF — white text only reaches 2.89:1, below the 4.5:1 needed for normal-size labels.

Is #649DCF the same as CSS cornflowerblue?

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

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

Palettes built on #649DCF

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

Coastal Morning Lead · 5 colors

Lead #649DCF Accent #A5C4C0 Surface #DDDBBF Secondary #9AA0A1 Anchor #20344A

Carolina 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 #649DCF Secondary #AEB4B8 Surface #F1F2F0 Support #7C93A6 Anchor #2E3236

Carolina 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 #649DCF Surface #14161A Highlight #F4F6F8 Secondary #5A6672 Accent #8FC3F1

Carolina 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 Carolina Blue.

Minimal Editorial Surface · 5 colors

Surface #F6F4EF Accent #649DCF Secondary #B2C6D8 Support #969386 Ink #16140F

Carolina 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 Carolina Blue carrying the quiet middle.

Modern Café Dominant · 5 colors

Dominant #649DCF Anchor #3B2924 Surface #EAE5D0 Accent #7A9E77 Secondary #393933

Carolina 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 #649DCF 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 57/100

Moderate

Middle-weight — neither delicate nor heavy.

Depth 32/100

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 47/100

Moderate

A faint retro warmth without tipping into sepia.

Luxury 40/100

Low

Understated — leans refined without going austere.

Brand distinctiveness 37/100

Low

Recognisable but shares space with nearby hues.

UI accent fit 63/100

High

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

Surface fit 40/100

Moderate

Usable as a tinted surface in measured doses.

Print safety 78/100

High

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #649DCF

For UI

For branding

For interior

For fashion

People also use #649DCF with

Turquoise Slate Blue Camel 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 6.4:1. Use

Subtle surface Use #E3EBF2 for cards and hover fills. Tint 80

Avoid beside #6379CF — 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 #649DCF at work across the surfaces designers actually ship.

Website / UI

Northwind Sign up

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: #649DCF;
  --color-base-rgb: 100 157 207;
  --color-base-oklch: oklch(67.7% 0.096 246.3);
  --color-50: #F3F8FC;
  --color-100: #DFEBF6;
  --color-200: #C1D8EC;
  --color-300: #95BADA;
  --color-400: #6D9CC5;
  --color-500: #4C7EA9;
  --color-600: #406382;
  --color-700: #32495D;
  --color-800: #24313D;
  --color-900: #171F26;
  --color-on-base: #141310;
}

// tailwind.config.js
colors: {
  carolina-blue: {
    50: '#F3F8FC',
    100: '#DFEBF6',
    200: '#C1D8EC',
    300: '#95BADA',
    400: '#6D9CC5',
    500: '#4C7EA9',
    600: '#406382',
    700: '#32495D',
    800: '#24313D',
    900: '#171F26',
  },
}

$base: #649DCF;
$base-ink: #141310;
$base-50: #F3F8FC;
$base-100: #DFEBF6;
$base-200: #C1D8EC;
$base-300: #95BADA;
$base-400: #6D9CC5;
$base-500: #4C7EA9;
$base-600: #406382;
$base-700: #32495D;
$base-800: #24313D;
$base-900: #171F26;
$base-hover: #3A7FBB;
$base-subtle: #D4E1ED;

{
    "color": {
        "base": {
            "value": "#649DCF",
            "type": "color"
        },
        "onBase": {
            "value": "#141310",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F3F8FC",
                "type": "color"
            },
            "100": {
                "value": "#DFEBF6",
                "type": "color"
            },
            "200": {
                "value": "#C1D8EC",
                "type": "color"
            },
            "300": {
                "value": "#95BADA",
                "type": "color"
            },
            "400": {
                "value": "#6D9CC5",
                "type": "color"
            },
            "500": {
                "value": "#4C7EA9",
                "type": "color"
            },
            "600": {
                "value": "#406382",
                "type": "color"
            },
            "700": {
                "value": "#32495D",
                "type": "color"
            },
            "800": {
                "value": "#24313D",
                "type": "color"
            },
            "900": {
                "value": "#171F26",
                "type": "color"
            }
        }
    }
}

Palettes built on #649DCF

Color Lab

Pairs with #649DCF

UI roles & guardrails

In real applications

Scales

Every model

Export