What color is #2F596F?

#2F596F is a dark cyan-blue. In RGB it is rgb(47, 89, 111), and in HSL hsl(201, 41%, 31%).

Is #2F596F accessible as text?

On white, #2F596F has a contrast ratio of 7.56:1 (passes WCAG AA for body text); on black it is 2.78:1 (fails). For text placed on #2F596F, use white for the best readability.

What is the closest Tailwind color to #2F596F?

The nearest Tailwind CSS token is cyan-800 (#005F78).

What colors go well with #2F596F?

#2F596F pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #6F452F. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #2F596F below.

Is #2F596F good for buttons?

#2F596F works well for buttons and highlights, but use white text on #2F596F — black text only reaches 2.78:1, below the 4.5:1 needed for normal-size labels.

Is #2F596F the same as CSS darkslategray?

No — #2F596F is not the CSS named color darkslategray, but darkslategray (#2F4F4F) is the closest CSS named color.

#2F596F Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #2F596F

Not just a swatch — here's how #2F596F works with other colors. Named schemes with #2F596F in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #2F596F Accent #A6C4C0 Surface #DEDABF Secondary #9AA0A0 Anchor #1F344A

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 #2F596F Secondary #AEB4B8 Surface #F1F2F0 Support #7B93A6 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 #2F596F Surface #14161A Highlight #F4F6F8 Secondary #5A6672 Accent #557B90

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 #2F596F Secondary #6F5216 Surface #E2DCC0 Accent #385244 Anchor #56233D

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 #2F596F Secondary #707E86 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 #2F596F 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 32/100

Cool

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

Softness 42/100

Moderate

Middle-weight — neither delicate nor heavy.

Depth 54/100

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 42/100

Moderate

A faint retro warmth without tipping into sepia.

Luxury 59/100

Moderate

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

Brand distinctiveness 23/100

Low

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

UI accent fit 67/100

High

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

Surface fit 38/100

Low

Usable as a tinted surface in measured doses.

Print safety 85/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #2F596F

For UI

For branding

For interior

For fashion

People also use #2F596F with

Viridian Yale Blue Coffee 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 7.6:1. Use

Subtle surface Use #D1DFE6 for cards and hover fills. Tint 80

Avoid beside #2F436F — 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 #2F596F 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: #2F596F;
  --color-base-rgb: 47 89 111;
  --color-base-oklch: oklch(44.3% 0.059 233.1);
  --color-50: #F4F8FB;
  --color-100: #E2EDF3;
  --color-200: #C6DBE7;
  --color-300: #9DC0D2;
  --color-400: #77A3BB;
  --color-500: #56859E;
  --color-600: #47697A;
  --color-700: #374C58;
  --color-800: #27333A;
  --color-900: #192024;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  dark-slate-gray: {
    50: '#F4F8FB',
    100: '#E2EDF3',
    200: '#C6DBE7',
    300: '#9DC0D2',
    400: '#77A3BB',
    500: '#56859E',
    600: '#47697A',
    700: '#374C58',
    800: '#27333A',
    900: '#192024',
  },
}

$base: #2F596F;
$base-ink: #FFFFFF;
$base-50: #F4F8FB;
$base-100: #E2EDF3;
$base-200: #C6DBE7;
$base-300: #9DC0D2;
$base-400: #77A3BB;
$base-500: #56859E;
$base-600: #47697A;
$base-700: #374C58;
$base-800: #27333A;
$base-900: #192024;
$base-hover: #254759;
$base-subtle: #BACFDB;

{
    "color": {
        "base": {
            "value": "#2F596F",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F4F8FB",
                "type": "color"
            },
            "100": {
                "value": "#E2EDF3",
                "type": "color"
            },
            "200": {
                "value": "#C6DBE7",
                "type": "color"
            },
            "300": {
                "value": "#9DC0D2",
                "type": "color"
            },
            "400": {
                "value": "#77A3BB",
                "type": "color"
            },
            "500": {
                "value": "#56859E",
                "type": "color"
            },
            "600": {
                "value": "#47697A",
                "type": "color"
            },
            "700": {
                "value": "#374C58",
                "type": "color"
            },
            "800": {
                "value": "#27333A",
                "type": "color"
            },
            "900": {
                "value": "#192024",
                "type": "color"
            }
        }
    }
}

Palettes built on #2F596F

Color Lab

Pairs with #2F596F

UI roles & guardrails

In real applications

Scales

Every model

Export