What color is #649090?

#649090 is a medium, muted cyan. In RGB it is rgb(100, 144, 144), and in HSL hsl(180, 18%, 48%).

Is #649090 accessible as text?

On white, #649090 has a contrast ratio of 3.54:1 (fails WCAG AA for body text); on black it is 5.93:1 (passes). For text placed on #649090, use black for the best readability.

What is the closest Tailwind color to #649090?

The nearest Tailwind CSS token is teal-600 (#009689).

What colors go well with #649090?

#649090 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #906464. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #649090 below.

Is #649090 good for buttons?

#649090 works well for buttons and highlights, but use black text on #649090 — white text only reaches 3.54:1, below the 4.5:1 needed for normal-size labels.

Is #649090 the same as CSS lightslategray?

No — #649090 is not the CSS named color lightslategray, but lightslategray (#778899) is the closest CSS named color by perceptual color distance — it sits in a different color family, so treat it as a rough reference, not a match.

#649090 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #649090

Not just a swatch — here's how #649090 works with other colors. Named schemes with #649090 in its natural role, and a note on why the supporting colors balance it.

Nordic Calm Accent · 5 colors

Accent #649090 Secondary #AEB4B8 Surface #F1F2F0 Support #7A94A4 Anchor #2E3236

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

Japanese Sand Base · 5 colors

Base #649090 Surface #EDEADC Highlight #F5F2E7 Secondary #B4B19F Ink #2A2723

Light Slate Gray 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.

Coastal Morning Lead · 5 colors

Lead #649090 Accent #A6C4BD Surface #E0DABE Secondary #9AA0A0 Anchor #1D3549

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

Minimal Editorial Surface · 5 colors

Surface #F6F4EF Accent #649090 Secondary #A6B5B5 Support #979286 Ink #16140F

Light Slate Gray 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 Light Slate Gray carrying the quiet middle.

Tech Product Signal · 5 colors

Signal #649090 Surface #14161A Highlight #F4F6F8 Secondary #596771 Accent #8CB4B4

Light Slate Gray is the vivid signal in this product UI — on a near-black surface with cool white, a slate grey and a lighter tint of Light Slate Gray.

Build a working theme in the generator →

Color Lab

How #649090 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 38/100

Neutral

Balanced temperature — flexible, sits between warm and cool schemes.

Softness 59/100

Moderate

Middle-weight — neither delicate nor heavy.

Depth 36/100

Low

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

Naturalness 8/100

Very low

Reads engineered rather than organic — synthetic, digital.

Vintage feel 44/100

Moderate

A faint retro warmth without tipping into sepia.

Luxury 42/100

Moderate

Understated — leans refined without going austere.

Brand distinctiveness 19/100

Very low

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

UI accent fit 61/100

High

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

Surface fit 49/100

Moderate

Usable as a tinted surface in measured doses.

Print safety 88/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #649090

For UI

For branding

For interior

For fashion

People also use #649090 with

Cadet Blue Slate Gray Mauve Taupe Platinum Dark Slate 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 5.2:1. Use

Subtle surface Use #E1E8E8 for cards and hover fills. Tint 80

Avoid beside #648290 — 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 #649090 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: #649090;
  --color-base-rgb: 100 144 144;
  --color-base-oklch: oklch(62.2% 0.048 196.0);
  --color-50: #F6F9F9;
  --color-100: #E7EEEE;
  --color-200: #CFDEDE;
  --color-300: #ACC3C3;
  --color-400: #8AA8A8;
  --color-500: #6B8A8A;
  --color-600: #566C6C;
  --color-700: #404F4F;
  --color-800: #2C3535;
  --color-900: #1C2121;
  --color-on-base: #141310;
}

// tailwind.config.js
colors: {
  light-slate-gray: {
    50: '#F6F9F9',
    100: '#E7EEEE',
    200: '#CFDEDE',
    300: '#ACC3C3',
    400: '#8AA8A8',
    500: '#6B8A8A',
    600: '#566C6C',
    700: '#404F4F',
    800: '#2C3535',
    900: '#1C2121',
  },
}

$base: #649090;
$base-ink: #141310;
$base-50: #F6F9F9;
$base-100: #E7EEEE;
$base-200: #CFDEDE;
$base-300: #ACC3C3;
$base-400: #8AA8A8;
$base-500: #6B8A8A;
$base-600: #566C6C;
$base-700: #404F4F;
$base-800: #2C3535;
$base-900: #1C2121;
$base-hover: #507474;
$base-subtle: #D2DDDD;

{
    "color": {
        "base": {
            "value": "#649090",
            "type": "color"
        },
        "onBase": {
            "value": "#141310",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F6F9F9",
                "type": "color"
            },
            "100": {
                "value": "#E7EEEE",
                "type": "color"
            },
            "200": {
                "value": "#CFDEDE",
                "type": "color"
            },
            "300": {
                "value": "#ACC3C3",
                "type": "color"
            },
            "400": {
                "value": "#8AA8A8",
                "type": "color"
            },
            "500": {
                "value": "#6B8A8A",
                "type": "color"
            },
            "600": {
                "value": "#566C6C",
                "type": "color"
            },
            "700": {
                "value": "#404F4F",
                "type": "color"
            },
            "800": {
                "value": "#2C3535",
                "type": "color"
            },
            "900": {
                "value": "#1C2121",
                "type": "color"
            }
        }
    }
}

Palettes built on #649090

Color Lab

Pairs with #649090

UI roles & guardrails

In real applications

Scales

Every model

Export