What color is #554E6E?

#554E6E is a dark, muted indigo. In RGB it is rgb(85, 78, 110), and in HSL hsl(253, 17%, 37%).

Is #554E6E accessible as text?

On white, #554E6E has a contrast ratio of 7.77:1 (passes WCAG AA for body text); on black it is 2.70:1 (fails). For text placed on #554E6E, use white for the best readability.

What is the closest Tailwind color to #554E6E?

The nearest Tailwind CSS token is mauve-600 (#594C5B).

What colors go well with #554E6E?

#554E6E pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #676E4E. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #554E6E below.

Is #554E6E good for buttons?

#554E6E works well for buttons and highlights, but use white text on #554E6E — black text only reaches 2.70:1, below the 4.5:1 needed for normal-size labels.

Is #554E6E the same as CSS darkslateblue?

No — #554E6E is not the CSS named color darkslateblue, but darkslateblue (#483D8B) is the closest CSS named color.

#554E6E Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #554E6E

Not just a swatch — here's how #554E6E works with other colors. Named schemes with #554E6E in its natural role, and a note on why the supporting colors balance it.

Berry & Cream Lead · 5 colors

Lead #554E6E Surface #F5E5D7 Anchor #5C2141 Accent #E5C2C8 Secondary #332B2F

Iron Gray sits between cream and a deep berry here, softened by a blush accent and grounded by charcoal.

Coastal Morning Lead · 5 colors

Lead #554E6E Accent #A5C4C3 Surface #E9D6BF Secondary #9AA0A1 Anchor #23334A

Iron Gray 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 #554E6E Secondary #AFB4B8 Surface #F1F2F0 Support #7F92A7 Anchor #2E3236

Iron Gray 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 #554E6E Secondary #7E4632 Surface #EDD8C2 Accent #355248 Anchor #582237

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

Minimal Editorial Surface · 5 colors

Surface #F8F4EF Accent #554E6E Secondary #7C7A86 Support #9D9088 Ink #18140F

Iron 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 Iron Gray carrying the quiet middle.

Build a working theme in the generator →

Color Lab

How #554E6E 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 43/100

Neutral

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

Softness 43/100

Moderate

Middle-weight — neither delicate nor heavy.

Depth 53/100

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 48/100

Moderate

A faint retro warmth without tipping into sepia.

Luxury 58/100

Moderate

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

Brand distinctiveness 20/100

Low

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

UI accent fit 64/100

High

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

Surface fit 40/100

Moderate

Usable as a tinted surface in measured doses.

Print safety 93/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #554E6E

For UI

For branding

For interior

For fashion

People also use #554E6E with

Dim Gray Ultra Violet Raw Umber Gainsboro Onyx

UI roles & guardrails

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

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 7.8:1. Use

Subtle surface Use #DDDBE3 for cards and hover fills. Tint 80

Avoid beside #604E6E — 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 #554E6E 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: #554E6E;
  --color-base-rgb: 85 78 110;
  --color-base-oklch: oklch(44.4% 0.052 294.2);
  --color-50: #F7F6F9;
  --color-100: #E9E7EE;
  --color-200: #D2CFDD;
  --color-300: #B1ADC3;
  --color-400: #918BA7;
  --color-500: #726B89;
  --color-600: #5B566B;
  --color-700: #44414E;
  --color-800: #2E2C35;
  --color-900: #1D1C21;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  iron-gray: {
    50: '#F7F6F9',
    100: '#E9E7EE',
    200: '#D2CFDD',
    300: '#B1ADC3',
    400: '#918BA7',
    500: '#726B89',
    600: '#5B566B',
    700: '#44414E',
    800: '#2E2C35',
    900: '#1D1C21',
  },
}

$base: #554E6E;
$base-ink: #FFFFFF;
$base-50: #F7F6F9;
$base-100: #E9E7EE;
$base-200: #D2CFDD;
$base-300: #B1ADC3;
$base-400: #918BA7;
$base-500: #726B89;
$base-600: #5B566B;
$base-700: #44414E;
$base-800: #2E2C35;
$base-900: #1D1C21;
$base-hover: #443F58;
$base-subtle: #CBC9D5;

{
    "color": {
        "base": {
            "value": "#554E6E",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F7F6F9",
                "type": "color"
            },
            "100": {
                "value": "#E9E7EE",
                "type": "color"
            },
            "200": {
                "value": "#D2CFDD",
                "type": "color"
            },
            "300": {
                "value": "#B1ADC3",
                "type": "color"
            },
            "400": {
                "value": "#918BA7",
                "type": "color"
            },
            "500": {
                "value": "#726B89",
                "type": "color"
            },
            "600": {
                "value": "#5B566B",
                "type": "color"
            },
            "700": {
                "value": "#44414E",
                "type": "color"
            },
            "800": {
                "value": "#2E2C35",
                "type": "color"
            },
            "900": {
                "value": "#1D1C21",
                "type": "color"
            }
        }
    }
}

Palettes built on #554E6E

Color Lab

Pairs with #554E6E

UI roles & guardrails

In real applications

Scales

Every model

Export