What color is #677FDD?

#677FDD is a light, soft blue. In RGB it is rgb(103, 127, 221), and in HSL hsl(228, 63%, 64%).

Is #677FDD accessible as text?

On white, #677FDD has a contrast ratio of 3.71:1 (fails WCAG AA for body text); on black it is 5.66:1 (passes). For text placed on #677FDD, use black for the best readability.

What is the closest Tailwind color to #677FDD?

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

What colors go well with #677FDD?

#677FDD pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #DDC669. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #677FDD below.

Is #677FDD good for buttons?

#677FDD works well for buttons and highlights, but use black text on #677FDD — white text only reaches 3.71:1, below the 4.5:1 needed for normal-size labels.

Is #677FDD the same as CSS cornflowerblue?

No — #677FDD is not the CSS named color cornflowerblue, but cornflowerblue (#6495ED) is the closest CSS named color.

#677FDD Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #677FDD

Not just a swatch — here's how #677FDD works with other colors. Named schemes with #677FDD in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #677FDD Accent #A5C4C2 Surface #EAD5C0 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 #677FDD Secondary #AEB4B8 Surface #F1F2F0 Support #7E92A7 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 #677FDD Surface #14161A Highlight #F4F6F8 Secondary #5B6672 Accent #8DA6FD

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 #677FDD Secondary #A5B1D3 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 #677FDD 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 #677FDD 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 18/100

Cool

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

Softness 46/100

Moderate

Middle-weight — neither delicate nor heavy.

Depth 39/100

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 41/100

Moderate

A faint retro warmth without tipping into sepia.

Luxury 44/100

Moderate

Understated — leans refined without going austere.

Brand distinctiveness 56/100

Moderate

Recognisable but shares space with nearby hues.

UI accent fit 86/100

Very high

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

Surface fit 20/100

Low

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

Print safety 76/100

High

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #677FDD

For UI

For branding

For interior

For fashion

People also use #677FDD with

Sky Blue Medium Purple Saffron Gainsboro Gunmetal Gray

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 5.0:1. Use

Subtle surface Use #E4E8F5 for cards and hover fills. Tint 80

Avoid beside #7969DD — 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 #677FDD 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: #677FDD;
  --color-base-rgb: 103 127 221;
  --color-base-oklch: oklch(62.2% 0.144 270.9);
  --color-50: #F2F4FD;
  --color-100: #DDE2F8;
  --color-200: #BDC7F0;
  --color-300: #8F9FE0;
  --color-400: #657ACD;
  --color-500: #4359B2;
  --color-600: #3A4988;
  --color-700: #2E3861;
  --color-800: #212740;
  --color-900: #161927;
  --color-on-base: #141310;
}

// tailwind.config.js
colors: {
  cornflower-blue: {
    50: '#F2F4FD',
    100: '#DDE2F8',
    200: '#BDC7F0',
    300: '#8F9FE0',
    400: '#657ACD',
    500: '#4359B2',
    600: '#3A4988',
    700: '#2E3861',
    800: '#212740',
    900: '#161927',
  },
}

$base: #677FDD;
$base-ink: #141310;
$base-50: #F2F4FD;
$base-100: #DDE2F8;
$base-200: #BDC7F0;
$base-300: #8F9FE0;
$base-400: #657ACD;
$base-500: #4359B2;
$base-600: #3A4988;
$base-700: #2E3861;
$base-800: #212740;
$base-900: #161927;
$base-hover: #3454D1;
$base-subtle: #D6DCF1;

{
    "color": {
        "base": {
            "value": "#677FDD",
            "type": "color"
        },
        "onBase": {
            "value": "#141310",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F2F4FD",
                "type": "color"
            },
            "100": {
                "value": "#DDE2F8",
                "type": "color"
            },
            "200": {
                "value": "#BDC7F0",
                "type": "color"
            },
            "300": {
                "value": "#8F9FE0",
                "type": "color"
            },
            "400": {
                "value": "#657ACD",
                "type": "color"
            },
            "500": {
                "value": "#4359B2",
                "type": "color"
            },
            "600": {
                "value": "#3A4988",
                "type": "color"
            },
            "700": {
                "value": "#2E3861",
                "type": "color"
            },
            "800": {
                "value": "#212740",
                "type": "color"
            },
            "900": {
                "value": "#161927",
                "type": "color"
            }
        }
    }
}

Palettes built on #677FDD

Color Lab

Pairs with #677FDD

UI roles & guardrails

In real applications

Scales

Every model

Export