What color is #255751?

#255751 is a dark teal. In RGB it is rgb(37, 87, 81), and in HSL hsl(173, 40%, 24%).

Is #255751 accessible as text?

On white, #255751 has a contrast ratio of 8.20:1 (passes WCAG AA for body text); on black it is 2.56:1 (fails). For text placed on #255751, use white for the best readability.

What is the closest Tailwind color to #255751?

The nearest Tailwind CSS token is teal-800 (#005F5A).

What colors go well with #255751?

#255751 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #56252A. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #255751 below.

Is #255751 good for buttons?

#255751 works well for buttons and highlights, but use white text on #255751 — black text only reaches 2.56:1, below the 4.5:1 needed for normal-size labels.

Is #255751 the same as CSS darkslategray?

No — #255751 is not the CSS named color darkslategray, but darkslategray (#2F4F4F) is the closest CSS named color.

#255751 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #255751

Not just a swatch — here's how #255751 works with other colors. Named schemes with #255751 in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #255751 Accent #A7C4BD Surface #E0DABE Secondary #9AA0A0 Anchor #1C3549

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 #255751 Secondary #AEB4B8 Surface #F1F2F0 Support #7994A4 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.

Vintage Leather Lead · 5 colors

Lead #255751 Secondary #725018 Surface #E4DCC0 Accent #3A5142 Anchor #5B241E

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.

Modern Café Dominant · 5 colors

Dominant #255751 Anchor #382B1E Surface #ECE4D0 Accent #829C71 Secondary #3A3833

Dark Slate Gray 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 #255751 Secondary #697876 Support #979286 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.

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Color Lab

How #255751 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

Neutral

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

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 19/100

Very low

Reads engineered rather than organic — synthetic, digital.

Vintage feel 43/100

Moderate

A faint retro warmth without tipping into sepia.

Luxury 60/100

High

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 60/100

High

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

Surface fit 41/100

Moderate

Usable as a tinted surface in measured doses.

Print safety 87/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #255751

For UI

For branding

For interior

For fashion

People also use #255751 with

Fern Green Charcoal Espresso 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 8.2:1. Use

Subtle surface Use #CDE3E1 for cards and hover fills. Tint 80

Avoid beside #254B56 — 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 #255751 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: #255751;
  --color-base-rgb: 37 87 81;
  --color-base-oklch: oklch(42.1% 0.055 184.9);
  --color-50: #F4FBFA;
  --color-100: #E2F3F1;
  --color-200: #C6E6E3;
  --color-300: #9ED1CB;
  --color-400: #78BAB2;
  --color-500: #579E95;
  --color-600: #487A74;
  --color-700: #375854;
  --color-800: #273A38;
  --color-900: #192423;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  dark-slate-gray: {
    50: '#F4FBFA',
    100: '#E2F3F1',
    200: '#C6E6E3',
    300: '#9ED1CB',
    400: '#78BAB2',
    500: '#579E95',
    600: '#487A74',
    700: '#375854',
    800: '#273A38',
    900: '#192423',
  },
}

$base: #255751;
$base-ink: #FFFFFF;
$base-50: #F4FBFA;
$base-100: #E2F3F1;
$base-200: #C6E6E3;
$base-300: #9ED1CB;
$base-400: #78BAB2;
$base-500: #579E95;
$base-600: #487A74;
$base-700: #375854;
$base-800: #273A38;
$base-900: #192423;
$base-hover: #1D4540;
$base-subtle: #B3D7D2;

{
    "color": {
        "base": {
            "value": "#255751",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F4FBFA",
                "type": "color"
            },
            "100": {
                "value": "#E2F3F1",
                "type": "color"
            },
            "200": {
                "value": "#C6E6E3",
                "type": "color"
            },
            "300": {
                "value": "#9ED1CB",
                "type": "color"
            },
            "400": {
                "value": "#78BAB2",
                "type": "color"
            },
            "500": {
                "value": "#579E95",
                "type": "color"
            },
            "600": {
                "value": "#487A74",
                "type": "color"
            },
            "700": {
                "value": "#375854",
                "type": "color"
            },
            "800": {
                "value": "#273A38",
                "type": "color"
            },
            "900": {
                "value": "#192423",
                "type": "color"
            }
        }
    }
}

Palettes built on #255751

Color Lab

Pairs with #255751

UI roles & guardrails

In real applications

Scales

Every model

Export