What color is #555A8A?

#555A8A is a medium, muted blue-violet. In RGB it is rgb(85, 90, 138), and in HSL hsl(234, 24%, 44%).

Is #555A8A accessible as text?

On white, #555A8A has a contrast ratio of 6.53:1 (passes WCAG AA for body text); on black it is 3.22:1 (fails). For text placed on #555A8A, use white for the best readability.

What is the closest Tailwind color to #555A8A?

The nearest Tailwind CSS token is sky-800 (#00598A).

What colors go well with #555A8A?

#555A8A pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #8B8655. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #555A8A below.

Is #555A8A good for buttons?

#555A8A works well for buttons and highlights, but use white text on #555A8A — black text only reaches 3.22:1, below the 4.5:1 needed for normal-size labels.

Is #555A8A the same as CSS dimgray?

No — #555A8A 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.

#555A8A Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #555A8A

Not just a swatch — here's how #555A8A works with other colors. Named schemes with #555A8A in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #555A8A Accent #A5C4C2 Surface #EAD5BF Secondary #9AA0A1 Anchor #22344A

Ultra Violet 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 #555A8A Secondary #AEB4B8 Surface #F1F2F0 Support #7E92A7 Anchor #2E3236

Ultra Violet 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 #555A8A Secondary #7F4534 Surface #EDD7C2 Accent #365247 Anchor #582239

Ultra Violet 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 #555A8A Anchor #3B2923 Surface #F3E1D2 Accent #769F7B Secondary #3C3734

Ultra Violet 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 #555A8A Secondary #838698 Support #9D9088 Ink #18140F

Ultra Violet 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 Ultra Violet carrying the quiet middle.

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Color Lab

How #555A8A 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 35/100

Cool

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

Softness 44/100

Moderate

Middle-weight — neither delicate nor heavy.

Depth 50/100

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 56/100

Moderate

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

Luxury 56/100

Moderate

Restrained and premium — deep, quiet, high-end packaging and fashion.

Brand distinctiveness 21/100

Low

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

UI accent fit 82/100

Very high

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

Surface fit 30/100

Low

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 #555A8A

For UI

For branding

For interior

For fashion

People also use #555A8A with

Air Force Blue Ultra Violet Shadow Gainsboro Gunmetal Gray

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 6.5:1. Use

Subtle surface Use #DEDEE7 for cards and hover fills. Tint 80

Avoid beside #62558B — 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 #555A8A 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: #555A8A;
  --color-base-rgb: 85 90 138;
  --color-base-oklch: oklch(48.4% 0.077 278.5);
  --color-50: #F5F6F9;
  --color-100: #E5E6F0;
  --color-200: #CCCEE0;
  --color-300: #A8ABC7;
  --color-400: #8589AD;
  --color-500: #656990;
  --color-600: #525570;
  --color-700: #3E4051;
  --color-800: #2B2C36;
  --color-900: #1B1C22;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  ultra-violet: {
    50: '#F5F6F9',
    100: '#E5E6F0',
    200: '#CCCEE0',
    300: '#A8ABC7',
    400: '#8589AD',
    500: '#656990',
    600: '#525570',
    700: '#3E4051',
    800: '#2B2C36',
    900: '#1B1C22',
  },
}

$base: #555A8A;
$base-ink: #FFFFFF;
$base-50: #F5F6F9;
$base-100: #E5E6F0;
$base-200: #CCCEE0;
$base-300: #A8ABC7;
$base-400: #8589AD;
$base-500: #656990;
$base-600: #525570;
$base-700: #3E4051;
$base-800: #2B2C36;
$base-900: #1B1C22;
$base-hover: #44496F;
$base-subtle: #CCCEDC;

{
    "color": {
        "base": {
            "value": "#555A8A",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F5F6F9",
                "type": "color"
            },
            "100": {
                "value": "#E5E6F0",
                "type": "color"
            },
            "200": {
                "value": "#CCCEE0",
                "type": "color"
            },
            "300": {
                "value": "#A8ABC7",
                "type": "color"
            },
            "400": {
                "value": "#8589AD",
                "type": "color"
            },
            "500": {
                "value": "#656990",
                "type": "color"
            },
            "600": {
                "value": "#525570",
                "type": "color"
            },
            "700": {
                "value": "#3E4051",
                "type": "color"
            },
            "800": {
                "value": "#2B2C36",
                "type": "color"
            },
            "900": {
                "value": "#1B1C22",
                "type": "color"
            }
        }
    }
}

Palettes built on #555A8A

Color Lab

Pairs with #555A8A

UI roles & guardrails

In real applications

Scales

Every model

Export