What color is #313D29?

#313D29 is a dark, muted green. In RGB it is rgb(49, 61, 41), and in HSL hsl(96, 20%, 20%).

Is #313D29 accessible as text?

On white, #313D29 has a contrast ratio of 11.47:1 (passes WCAG AA for body text); on black it is 1.83:1 (fails). For text placed on #313D29, use white for the best readability.

What is the closest Tailwind color to #313D29?

The nearest Tailwind CSS token is taupe-700 (#473C39).

What colors go well with #313D29?

#313D29 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #35293D. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #313D29 below.

Is #313D29 good for buttons?

#313D29 works well for buttons and highlights, but use white text on #313D29 — black text only reaches 1.83:1, below the 4.5:1 needed for normal-size labels.

Is #313D29 the same as CSS darkslategray?

No — #313D29 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.

#313D29 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #313D29

Not just a swatch — here's how #313D29 works with other colors. Named schemes with #313D29 in its natural role, and a note on why the supporting colors balance it.

Botanical Studio Lead · 5 colors

Lead #313D29 Secondary #4E6B3A Accent #AE6B00 Surface #EFE9D6 Anchor #3D2F21

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

Vintage Leather Lead · 5 colors

Lead #313D29 Secondary #764D1C Surface #E6DBC0 Accent #3D513F Anchor #5B2323

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 #313D29 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.

Luxury Packaging Feature · 5 colors

Feature #313D29 Anchor #141210 Accent #C2A54B Secondary #252B21 Surface #F2EDE3

Onyx carries the depth in this luxury scheme, offset by a brass accent and near-black and held together by a deep neutral and an off-white surface.

Minimal Editorial Surface · 5 colors

Surface #F7F4EF Accent #313D29 Secondary #5B6059 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 #313D29 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 62/100

High

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

Naturalness 54/100

Moderate

Loosely natural — an earthy edge without being rustic.

Vintage feel 41/100

Moderate

A faint retro warmth without tipping into sepia.

Luxury 65/100

High

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

Brand distinctiveness 14/100

Very low

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

UI accent fit 35/100

Low

Workable accent with care around contrast.

Surface fit 51/100

Moderate

Usable as a tinted surface in measured doses.

Print safety 92/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #313D29

For UI

For branding

For interior

For fashion

People also use #313D29 with

Ebony Bottle Green Gunmetal Gray Platinum Army Green

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 11.5:1. Use

Subtle surface Use #D5DCD0 for cards and hover fills. Tint 80

Avoid beside #2A3D29 — 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 #313D29 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: #313D29;
  --color-base-rgb: 49 61 41;
  --color-base-oklch: oklch(34.3% 0.037 133.3);
  --color-50: #F7F9F6;
  --color-100: #EAEFE6;
  --color-200: #D5DECE;
  --color-300: #B5C5AB;
  --color-400: #96AA88;
  --color-500: #778C69;
  --color-600: #5E6D54;
  --color-700: #464F3F;
  --color-800: #2F352C;
  --color-900: #1E211C;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  onyx: {
    50: '#F7F9F6',
    100: '#EAEFE6',
    200: '#D5DECE',
    300: '#B5C5AB',
    400: '#96AA88',
    500: '#778C69',
    600: '#5E6D54',
    700: '#464F3F',
    800: '#2F352C',
    900: '#1E211C',
  },
}

$base: #313D29;
$base-ink: #FFFFFF;
$base-50: #F7F9F6;
$base-100: #EAEFE6;
$base-200: #D5DECE;
$base-300: #B5C5AB;
$base-400: #96AA88;
$base-500: #778C69;
$base-600: #5E6D54;
$base-700: #464F3F;
$base-800: #2F352C;
$base-900: #1E211C;
$base-hover: #273121;
$base-subtle: #C0CBB8;

{
    "color": {
        "base": {
            "value": "#313D29",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F7F9F6",
                "type": "color"
            },
            "100": {
                "value": "#EAEFE6",
                "type": "color"
            },
            "200": {
                "value": "#D5DECE",
                "type": "color"
            },
            "300": {
                "value": "#B5C5AB",
                "type": "color"
            },
            "400": {
                "value": "#96AA88",
                "type": "color"
            },
            "500": {
                "value": "#778C69",
                "type": "color"
            },
            "600": {
                "value": "#5E6D54",
                "type": "color"
            },
            "700": {
                "value": "#464F3F",
                "type": "color"
            },
            "800": {
                "value": "#2F352C",
                "type": "color"
            },
            "900": {
                "value": "#1E211C",
                "type": "color"
            }
        }
    }
}

Palettes built on #313D29

Color Lab

Pairs with #313D29

UI roles & guardrails

In real applications

Scales

Every model

Export