What color is #455E59?

#455E59 is a dark low-chroma cool gray with a subtle cool cast. In RGB it is rgb(69, 94, 89), and in HSL hsl(168, 15%, 32%).

Is #455E59 accessible as text?

On white, #455E59 has a contrast ratio of 7.00:1 (passes WCAG AA for body text); on black it is 3.00:1 (fails). For text placed on #455E59, use white for the best readability.

What is the closest Tailwind color to #455E59?

The nearest Tailwind CSS token is neutral-600 (#525252).

What colors go well with #455E59?

As a neutral, #455E59 pairs cleanly with white, off-white and light grays for text, and sits under accent hues like blue, violet, emerald or warm orange — use it as a muted neutral, divider, icon or disabled-state color and let the accent carry the color.

Is #455E59 the same as CSS darkslategray?

No — #455E59 is not the CSS named color darkslategray, but darkslategray (#2F4F4F) 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.

#455E59 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #455E59

Not just a swatch — here's how #455E59 works with other colors. Named schemes with #455E59 in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #455E59 Accent #A7C4BC Surface #E0DABE Secondary #9AA0A0 Anchor #1C3549

Feldgrau 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 #455E59 Secondary #AEB4B7 Surface #F1F2F0 Support #7994A4 Anchor #2E3236

Feldgrau 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 #455E59 Secondary #734F19 Surface #E4DCC0 Accent #3A5142 Anchor #5B231E

Feldgrau 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 #455E59 Anchor #382B1E Surface #ECE4D0 Accent #829C70 Secondary #3A3833

Feldgrau 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 #F7F4EF Accent #455E59 Secondary #7A8280 Support #979286 Ink #16140F

Feldgrau 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 Feldgrau carrying the quiet middle.

Build a working theme in the generator →

Color Lab

How #455E59 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 44/100

Neutral

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

Softness 47/100

Moderate

Middle-weight — neither delicate nor heavy.

Depth 51/100

Moderate

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

Naturalness 15/100

Very low

Reads engineered rather than organic — synthetic, digital.

Vintage feel 40/100

Low

A faint retro warmth without tipping into sepia.

Luxury 55/100

Moderate

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

Brand distinctiveness 12/100

Very low

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

UI accent fit 56/100

Moderate

Workable accent with care around contrast.

Surface fit 46/100

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 #455E59

For UI

For branding

For interior

For fashion

People also use #455E59 with

Viridian Iron Gray Eggplant Platinum Dark Slate Gray

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 7.0:1. Use

Subtle surface Use #D9E0DF for cards and hover fills. Tint 80

Avoid beside #455B5E — 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 #455E59 at work across the surfaces designers actually ship.

Website / UI

Northwind Sign up

Build faster.

A working theme, generated in seconds.

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: #455E59;
  --color-base-rgb: 69 94 89;
  --color-base-oklch: oklch(46.0% 0.031 181.2);
  --color-50: #F6F9F8;
  --color-100: #E7EEED;
  --color-200: #D0DCDA;
  --color-300: #AEC1BD;
  --color-400: #8DA5A0;
  --color-500: #6D8882;
  --color-600: #586A67;
  --color-700: #414D4B;
  --color-800: #2D3433;
  --color-900: #1D2120;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  feldgrau: {
    50: '#F6F9F8',
    100: '#E7EEED',
    200: '#D0DCDA',
    300: '#AEC1BD',
    400: '#8DA5A0',
    500: '#6D8882',
    600: '#586A67',
    700: '#414D4B',
    800: '#2D3433',
    900: '#1D2120',
  },
}

$base: #455E59;
$base-ink: #FFFFFF;
$base-50: #F6F9F8;
$base-100: #E7EEED;
$base-200: #D0DCDA;
$base-300: #AEC1BD;
$base-400: #8DA5A0;
$base-500: #6D8882;
$base-600: #586A67;
$base-700: #414D4B;
$base-800: #2D3433;
$base-900: #1D2120;
$base-hover: #374B47;
$base-subtle: #C5D1CF;

{
    "color": {
        "base": {
            "value": "#455E59",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F6F9F8",
                "type": "color"
            },
            "100": {
                "value": "#E7EEED",
                "type": "color"
            },
            "200": {
                "value": "#D0DCDA",
                "type": "color"
            },
            "300": {
                "value": "#AEC1BD",
                "type": "color"
            },
            "400": {
                "value": "#8DA5A0",
                "type": "color"
            },
            "500": {
                "value": "#6D8882",
                "type": "color"
            },
            "600": {
                "value": "#586A67",
                "type": "color"
            },
            "700": {
                "value": "#414D4B",
                "type": "color"
            },
            "800": {
                "value": "#2D3433",
                "type": "color"
            },
            "900": {
                "value": "#1D2120",
                "type": "color"
            }
        }
    }
}

Palettes built on #455E59

Color Lab

Pairs with #455E59

UI roles & guardrails

In real applications

Scales

Every model

Export