What color is #31352B?

#31352B is a dark low-chroma cool gray with a subtle cool cast. In RGB it is rgb(49, 53, 43), and in HSL hsl(84, 10%, 19%).

Is #31352B accessible as text?

On white, #31352B has a contrast ratio of 12.54:1 (passes WCAG AA for body text); on black it is 1.67:1 (fails). For text placed on #31352B, use white for the best readability.

What is the closest Tailwind color to #31352B?

The nearest Tailwind CSS token is neutral-700 (#404040).

What colors go well with #31352B?

As a neutral, #31352B 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 dark surface or high-contrast base and let the accent carry the color.

Is #31352B the same as CSS darkslategray?

No — #31352B 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.

#31352B Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #31352B

Not just a swatch — here's how #31352B works with other colors. Named schemes with #31352B in its natural role, and a note on why the supporting colors balance it.

Botanical Studio Lead · 5 colors

Lead #31352B Secondary #4F6B39 Accent #AF6A00 Surface #EFE9D6 Anchor #3D2F21

Onyx leads this botanical set among foliage greens and a terracotta accent, softened by cream and grounded in bark brown.

Tech Product Signal · 5 colors

Signal #31352B Surface #13161A Highlight #F4F6F8 Secondary #576770 Accent #51554B

Onyx is the vivid signal in this product UI — on a near-black surface with cool white, a slate grey and a lighter tint of Onyx.

Vintage Leather Lead · 5 colors

Lead #31352B Secondary #764D1D Surface #E6DBC0 Accent #3D513F Anchor #5B2324

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

Japanese Sand Base · 5 colors

Base #31352B Surface #EEE9DC Highlight #F5F1E7 Secondary #B7B09F Ink #2B2723

Onyx sets a calm, sun-bleached base here, wrapped in bone and paper off-whites and a soft greige, with a single ink accent for wabi-sabi restraint.

Minimal Editorial Surface · 5 colors

Surface #F7F4EF Accent #31352B Secondary #585955 Support #999286 Ink #17140F

Onyx 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 Onyx carrying the quiet middle.

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Color Lab

How #31352B 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 51/100

Neutral

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

Softness 35/100

Low

Middle-weight — neither delicate nor heavy.

Depth 63/100

High

Deep and grounding — anchors a layout, strong dark-mode base.

Naturalness 33/100

Low

Loosely natural — an earthy edge without being rustic.

Vintage feel 35/100

Low

A faint retro warmth without tipping into sepia.

Luxury 65/100

High

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

Brand distinctiveness 7/100

Very low

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

UI accent fit 26/100

Low

Weak as an action color — too pale, too dark or too muted to signal.

Surface fit 59/100

Moderate

Usable as a tinted surface in measured doses.

Print safety 96/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #31352B

For UI

For branding

For interior

For fashion

People also use #31352B with

Outer Space Gunmetal Gray Platinum

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 12.5:1. Use

Subtle surface Use #D6D9D3 for cards and hover fills. Tint 80

Avoid beside #2E352C — 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 #31352B 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: #31352B;
  --color-base-rgb: 49 53 43;
  --color-base-oklch: oklch(32.2% 0.018 125.2);
  --color-50: #F8F8F7;
  --color-100: #EBEDE8;
  --color-200: #D7DAD2;
  --color-300: #B9BEB1;
  --color-400: #9BA191;
  --color-500: #7C8372;
  --color-600: #62675B;
  --color-700: #484B43;
  --color-800: #31332E;
  --color-900: #1F201D;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  onyx: {
    50: '#F8F8F7',
    100: '#EBEDE8',
    200: '#D7DAD2',
    300: '#B9BEB1',
    400: '#9BA191',
    500: '#7C8372',
    600: '#62675B',
    700: '#484B43',
    800: '#31332E',
    900: '#1F201D',
  },
}

$base: #31352B;
$base-ink: #FFFFFF;
$base-50: #F8F8F7;
$base-100: #EBEDE8;
$base-200: #D7DAD2;
$base-300: #B9BEB1;
$base-400: #9BA191;
$base-500: #7C8372;
$base-600: #62675B;
$base-700: #484B43;
$base-800: #31332E;
$base-900: #1F201D;
$base-hover: #282B23;
$base-subtle: #C2C6BC;

{
    "color": {
        "base": {
            "value": "#31352B",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F8F8F7",
                "type": "color"
            },
            "100": {
                "value": "#EBEDE8",
                "type": "color"
            },
            "200": {
                "value": "#D7DAD2",
                "type": "color"
            },
            "300": {
                "value": "#B9BEB1",
                "type": "color"
            },
            "400": {
                "value": "#9BA191",
                "type": "color"
            },
            "500": {
                "value": "#7C8372",
                "type": "color"
            },
            "600": {
                "value": "#62675B",
                "type": "color"
            },
            "700": {
                "value": "#484B43",
                "type": "color"
            },
            "800": {
                "value": "#31332E",
                "type": "color"
            },
            "900": {
                "value": "#1F201D",
                "type": "color"
            }
        }
    }
}