What color is #646291?

#646291 is a medium, muted blue-violet. In RGB it is rgb(100, 98, 145), and in HSL hsl(243, 19%, 48%).

Is #646291 accessible as text?

On white, #646291 has a contrast ratio of 5.68:1 (passes WCAG AA for body text); on black it is 3.70:1 (fails). For text placed on #646291, use white for the best readability.

What is the closest Tailwind color to #646291?

The nearest Tailwind CSS token is mauve-500 (#79697B).

What colors go well with #646291?

#646291 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #8F9263. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #646291 below.

Is #646291 good for buttons?

#646291 works well for buttons and highlights, but use white text on #646291 — black text only reaches 3.70:1, below the 4.5:1 needed for normal-size labels.

Is #646291 the same as CSS dimgray?

No — #646291 is not the CSS named color dimgray, but dimgray (#696969) 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.

#646291 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #646291

Not just a swatch — here's how #646291 works with other colors. Named schemes with #646291 in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #646291 Accent #A5C4C3 Surface #EAD5BF Secondary #9AA0A1 Anchor #22334A

Very Peri 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 #646291 Secondary #AFB4B8 Surface #F1F2F0 Support #7E92A7 Anchor #2E3236

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

Vintage Leather Lead · 5 colors

Lead #646291 Secondary #7E4533 Surface #EDD8C2 Accent #365247 Anchor #582238

Very Peri plays the worn-leather lead, deepened by saddle brown and an oxblood anchor, softened by aged cream and cooled by a muted forest green.

Modern Café Dominant · 5 colors

Dominant #646291 Anchor #3B2923 Surface #F3E1D2 Accent #759F7C Secondary #3C3734

Very Peri 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.

Minimal Editorial Surface · 5 colors

Surface #F8F4EF Accent #646291 Secondary #8F90A1 Support #9D9088 Ink #18140F

Very Peri 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 Very Peri carrying the quiet middle.

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Color Lab

How #646291 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

Cool

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

Softness 47/100

Moderate

Middle-weight — neither delicate nor heavy.

Depth 47/100

Moderate

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

Naturalness 0/100

Very low

Reads engineered rather than organic — synthetic, digital.

Vintage feel 60/100

Moderate

Faded, nostalgic quality — editorial, heritage and retro work.

Luxury 53/100

Moderate

Understated — leans refined without going austere.

Brand distinctiveness 20/100

Very low

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

UI accent fit 83/100

Very high

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

Surface fit 32/100

Low

Usable as a tinted surface in measured doses.

Print safety 90/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #646291

For UI

For branding

For interior

For fashion

People also use #646291 with

Light Slate Gray Very Peri Moss Green Gainsboro Onyx

UI roles & guardrails

Primary action Safe as a filled button with white label. AA

Body text Passes on white at 16px and above. Pass

Large display Fine for headings 24px+ on white. Pass

Background Pair with white text at 5.7:1. Use

Subtle surface Use #E1E1E8 for cards and hover fills. Tint 80

Avoid beside #756392 — 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 #646291 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: #646291;
  --color-base-rgb: 100 98 145;
  --color-base-oklch: oklch(51.7% 0.074 285.5);
  --color-50: #F6F6F9;
  --color-100: #E7E7EF;
  --color-200: #CFCEDE;
  --color-300: #ADABC4;
  --color-400: #8B89A9;
  --color-500: #6B6A8B;
  --color-600: #56556D;
  --color-700: #40404F;
  --color-800: #2C2C35;
  --color-900: #1C1C21;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  very-peri: {
    50: '#F6F6F9',
    100: '#E7E7EF',
    200: '#CFCEDE',
    300: '#ADABC4',
    400: '#8B89A9',
    500: '#6B6A8B',
    600: '#56556D',
    700: '#40404F',
    800: '#2C2C35',
    900: '#1C1C21',
  },
}

$base: #646291;
$base-ink: #FFFFFF;
$base-50: #F6F6F9;
$base-100: #E7E7EF;
$base-200: #CFCEDE;
$base-300: #ADABC4;
$base-400: #8B89A9;
$base-500: #6B6A8B;
$base-600: #56556D;
$base-700: #40404F;
$base-800: #2C2C35;
$base-900: #1C1C21;
$base-hover: #514F75;
$base-subtle: #D2D1DD;

{
    "color": {
        "base": {
            "value": "#646291",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F6F6F9",
                "type": "color"
            },
            "100": {
                "value": "#E7E7EF",
                "type": "color"
            },
            "200": {
                "value": "#CFCEDE",
                "type": "color"
            },
            "300": {
                "value": "#ADABC4",
                "type": "color"
            },
            "400": {
                "value": "#8B89A9",
                "type": "color"
            },
            "500": {
                "value": "#6B6A8B",
                "type": "color"
            },
            "600": {
                "value": "#56556D",
                "type": "color"
            },
            "700": {
                "value": "#40404F",
                "type": "color"
            },
            "800": {
                "value": "#2C2C35",
                "type": "color"
            },
            "900": {
                "value": "#1C1C21",
                "type": "color"
            }
        }
    }
}

Palettes built on #646291

Color Lab

Pairs with #646291

UI roles & guardrails

In real applications

Scales

Every model

Export