What color is #30525F?

#30525F is a dark, muted cyan-blue. In RGB it is rgb(48, 82, 95), and in HSL hsl(197, 33%, 28%).

Is #30525F accessible as text?

On white, #30525F has a contrast ratio of 8.41:1 (passes WCAG AA for body text); on black it is 2.50:1 (fails). For text placed on #30525F, use white for the best readability.

What is the closest Tailwind color to #30525F?

The nearest Tailwind CSS token is cyan-900 (#104E64).

What colors go well with #30525F?

#30525F pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #5F3D30. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #30525F below.

Is #30525F good for buttons?

#30525F works well for buttons and highlights, but use white text on #30525F — black text only reaches 2.50:1, below the 4.5:1 needed for normal-size labels.

Is #30525F the same as CSS darkslategray?

No — #30525F is not the CSS named color darkslategray, but darkslategray (#2F4F4F) is the closest CSS named color.

#30525F Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #30525F

Not just a swatch — here's how #30525F works with other colors. Named schemes with #30525F in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #30525F Accent #A6C4BF Surface #DEDABF Secondary #9AA0A0 Anchor #1E344A

Dark Slate 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 #30525F Secondary #AEB4B8 Surface #F1F2F0 Support #7B93A5 Anchor #2E3236

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

Tech Product Signal · 5 colors

Signal #30525F Surface #14161A Highlight #F4F6F8 Secondary #596672 Accent #557480

Dark 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 Dark Slate Gray.

Vintage Leather Lead · 5 colors

Lead #30525F Secondary #6F5116 Surface #E2DCC0 Accent #385244 Anchor #56233E

Dark Slate 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 #F6F4EF Accent #30525F Secondary #6B767B Support #969386 Ink #16140F

Dark 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 Dark Slate Gray carrying the quiet middle.

Build a working theme in the generator →

Color Lab

How #30525F 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 37/100

Cool

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

Softness 41/100

Moderate

Middle-weight — neither delicate nor heavy.

Depth 56/100

Moderate

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

Naturalness 1/100

Very low

Reads engineered rather than organic — synthetic, digital.

Vintage feel 37/100

Low

A faint retro warmth without tipping into sepia.

Luxury 60/100

Moderate

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

Brand distinctiveness 17/100

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 44/100

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 #30525F

For UI

For branding

For interior

For fashion

People also use #30525F with

Myrtle Green Yale Blue Taupe Platinum Charcoal

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 8.4:1. Use

Subtle surface Use #D2DEE3 for cards and hover fills. Tint 80

Avoid beside #30425F — 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 #30525F 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: #30525F;
  --color-base-rgb: 48 82 95;
  --color-base-oklch: oklch(41.8% 0.045 224.4);
  --color-50: #F5F9FA;
  --color-100: #E3EEF2;
  --color-200: #C9DCE4;
  --color-300: #A2C1CD;
  --color-400: #7EA5B4;
  --color-500: #5D8797;
  --color-600: #4C6A75;
  --color-700: #3A4D55;
  --color-800: #293438;
  --color-900: #1A2123;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  dark-slate-gray: {
    50: '#F5F9FA',
    100: '#E3EEF2',
    200: '#C9DCE4',
    300: '#A2C1CD',
    400: '#7EA5B4',
    500: '#5D8797',
    600: '#4C6A75',
    700: '#3A4D55',
    800: '#293438',
    900: '#1A2123',
  },
}

$base: #30525F;
$base-ink: #FFFFFF;
$base-50: #F5F9FA;
$base-100: #E3EEF2;
$base-200: #C9DCE4;
$base-300: #A2C1CD;
$base-400: #7EA5B4;
$base-500: #5D8797;
$base-600: #4C6A75;
$base-700: #3A4D55;
$base-800: #293438;
$base-900: #1A2123;
$base-hover: #26414C;
$base-subtle: #BACED6;

{
    "color": {
        "base": {
            "value": "#30525F",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F5F9FA",
                "type": "color"
            },
            "100": {
                "value": "#E3EEF2",
                "type": "color"
            },
            "200": {
                "value": "#C9DCE4",
                "type": "color"
            },
            "300": {
                "value": "#A2C1CD",
                "type": "color"
            },
            "400": {
                "value": "#7EA5B4",
                "type": "color"
            },
            "500": {
                "value": "#5D8797",
                "type": "color"
            },
            "600": {
                "value": "#4C6A75",
                "type": "color"
            },
            "700": {
                "value": "#3A4D55",
                "type": "color"
            },
            "800": {
                "value": "#293438",
                "type": "color"
            },
            "900": {
                "value": "#1A2123",
                "type": "color"
            }
        }
    }
}

Palettes built on #30525F

Color Lab

Pairs with #30525F

UI roles & guardrails

In real applications

Scales

Every model

Export