What color is #649DB7?

#649DB7 is a medium cyan-blue. In RGB it is rgb(100, 157, 183), and in HSL hsl(199, 37%, 55%).

Is #649DB7 accessible as text?

On white, #649DB7 has a contrast ratio of 2.98:1 (fails WCAG AA for body text); on black it is 7.05:1 (passes). For text placed on #649DB7, use black for the best readability.

What is the closest Tailwind color to #649DB7?

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

What colors go well with #649DB7?

#649DB7 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #B77D62. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #649DB7 below.

Is #649DB7 good for buttons?

#649DB7 works well for buttons and highlights, but use black text on #649DB7 — white text only reaches 2.98:1, below the 4.5:1 needed for normal-size labels.

Is #649DB7 the same as CSS cadetblue?

No — #649DB7 is not the CSS named color cadetblue, but cadetblue (#5F9EA0) is the closest CSS named color.

#649DB7 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #649DB7

Not just a swatch — here's how #649DB7 works with other colors. Named schemes with #649DB7 in its natural role, and a note on why the supporting colors balance it.

Nordic Calm Accent · 5 colors

Accent #649DB7 Secondary #AEB4B8 Surface #F1F2F0 Support #7B93A6 Anchor #2E3236

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

Coastal Morning Lead · 5 colors

Lead #649DB7 Accent #A6C4BF Surface #DEDABF Secondary #9AA0A0 Anchor #1F344A

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

Japanese Sand Base · 5 colors

Base #649DB7 Surface #ECEADC Highlight #F4F2E7 Secondary #B3B19F Ink #2A2723

Cadet Blue sets a calm, sun-bleached base here, wrapped in bone and paper off-whites and a soft greige, with a single ink accent for wabi-sabi restraint.

Tech Product Signal · 5 colors

Signal #649DB7 Surface #14161A Highlight #F4F6F8 Secondary #596672 Accent #8EC2DA

Cadet 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 Cadet Blue.

Minimal Editorial Surface · 5 colors

Surface #F6F4EF Accent #649DB7 Secondary #B0C3CD Support #969386 Ink #16140F

Cadet 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 Cadet Blue carrying the quiet middle.

Build a working theme in the generator →

Color Lab

How #649DB7 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 29/100

Cool

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

Softness 59/100

Moderate

Middle-weight — neither delicate nor heavy.

Depth 32/100

Low

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

Naturalness 1/100

Very low

Reads engineered rather than organic — synthetic, digital.

Vintage feel 45/100

Moderate

A faint retro warmth without tipping into sepia.

Luxury 39/100

Low

Understated — leans refined without going austere.

Brand distinctiveness 27/100

Low

Quiet and neutral — a supporting tone, not a signature.

UI accent fit 60/100

Moderate

Workable accent with care around contrast.

Surface fit 47/100

Moderate

Usable as a tinted surface in measured doses.

Print safety 81/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #649DB7

For UI

For branding

For interior

For fashion

People also use #649DB7 with

Medium Aquamarine Very Peri Beaver Platinum 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 6.2:1. Use

Subtle surface Use #E2EAEE for cards and hover fills. Tint 80

Avoid beside #6280B7 — 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 #649DB7 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: #649DB7;
  --color-base-rgb: 100 157 183;
  --color-base-oklch: oklch(66.7% 0.071 228.6);
  --color-50: #F4F8FA;
  --color-100: #E3EEF3;
  --color-200: #C7DCE5;
  --color-300: #A0C0CF;
  --color-400: #7AA4B8;
  --color-500: #5A869B;
  --color-600: #4A6978;
  --color-700: #384D56;
  --color-800: #283439;
  --color-900: #1A2024;
  --color-on-base: #141310;
}

// tailwind.config.js
colors: {
  cadet-blue: {
    50: '#F4F8FA',
    100: '#E3EEF3',
    200: '#C7DCE5',
    300: '#A0C0CF',
    400: '#7AA4B8',
    500: '#5A869B',
    600: '#4A6978',
    700: '#384D56',
    800: '#283439',
    900: '#1A2024',
  },
}

$base: #649DB7;
$base-ink: #141310;
$base-50: #F4F8FA;
$base-100: #E3EEF3;
$base-200: #C7DCE5;
$base-300: #A0C0CF;
$base-400: #7AA4B8;
$base-500: #5A869B;
$base-600: #4A6978;
$base-700: #384D56;
$base-800: #283439;
$base-900: #1A2024;
$base-hover: #477F9A;
$base-subtle: #D3E0E6;

{
    "color": {
        "base": {
            "value": "#649DB7",
            "type": "color"
        },
        "onBase": {
            "value": "#141310",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F4F8FA",
                "type": "color"
            },
            "100": {
                "value": "#E3EEF3",
                "type": "color"
            },
            "200": {
                "value": "#C7DCE5",
                "type": "color"
            },
            "300": {
                "value": "#A0C0CF",
                "type": "color"
            },
            "400": {
                "value": "#7AA4B8",
                "type": "color"
            },
            "500": {
                "value": "#5A869B",
                "type": "color"
            },
            "600": {
                "value": "#4A6978",
                "type": "color"
            },
            "700": {
                "value": "#384D56",
                "type": "color"
            },
            "800": {
                "value": "#283439",
                "type": "color"
            },
            "900": {
                "value": "#1A2024",
                "type": "color"
            }
        }
    }
}

Palettes built on #649DB7

Color Lab

Pairs with #649DB7

UI roles & guardrails

In real applications

Scales

Every model

Export