What color is #311D00?

#311D00 is a very dark, vivid orange. In RGB it is rgb(49, 29, 0), and in HSL hsl(36, 100%, 10%).

Is #311D00 accessible as text?

On white, #311D00 has a contrast ratio of 16.08:1 (passes WCAG AA for body text); on black it is 1.31:1 (fails). For text placed on #311D00, use white for the best readability.

What is the closest Tailwind color to #311D00?

The nearest Tailwind CSS token is yellow-950 (#432004).

What colors go well with #311D00?

#311D00 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #001433. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #311D00 below.

Is #311D00 good for buttons?

#311D00 works well for buttons and highlights, but use white text on #311D00 — black text only reaches 1.31:1, below the 4.5:1 needed for normal-size labels.

Is #311D00 the same as CSS darkslategray?

No — #311D00 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.

#311D00 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #311D00

Not just a swatch — here's how #311D00 works with other colors. Named schemes with #311D00 in its natural role, and a note on why the supporting colors balance it.

Warm Autumn Interior Dominant · 5 colors

Dominant #311D00 Secondary #B46618 Accent #727946 Surface #F3ECDD Anchor #3B2A20

This palette keeps Bistre as the dominant warm neutral, balanced by muted terracotta and olive earth tones and grounded by a deep espresso anchor.

Vintage Leather Lead · 5 colors

Lead #311D00 Secondary #794B22 Surface #E8DAC0 Accent #40503C Anchor #5B2229

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

Desert Clay Center · 5 colors

Center #311D00 Surface #E1CFA8 Secondary #AF7B53 Accent #93986F Anchor #3E2C20

Bistre holds the warm center of this desert palette with sand and clay beside it, a muted-sage accent and a dark-brown anchor.

Japanese Sand Base · 5 colors

Base #311D00 Surface #EFE9DC Highlight #F6F1E7 Secondary #B9AF9F Ink #2B2723

Bistre 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 #311D00 Secondary #4C443A Support #9A9186 Ink #17140F

Bistre 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 Bistre carrying the quiet middle.

Build a working theme in the generator →

Color Lab

How #311D00 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 65/100

Warm

Reads warm and advancing — inviting, energetic, draws the eye forward.

Softness 26/100

Low

Firm and assertive — carries weight and contrast.

Depth 72/100

High

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

Naturalness 72/100

High

Organic, earthy character — at home in wellness, food and craft brands.

Vintage feel 44/100

Moderate

A faint retro warmth without tipping into sepia.

Luxury 74/100

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 19/100

Very low

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

Surface fit 52/100

Moderate

Usable as a tinted surface in measured doses.

Print safety 93/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #311D00

For UI

For branding

For interior

For fashion

People also use #311D00 with

Rosewood Sacramento Green Graphite Greige Taupe

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 16.1:1. Use

Subtle surface Use #F2D8B0 for cards and hover fills. Tint 80

Avoid beside #333000 — 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 #311D00 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: #311D00;
  --color-base-rgb: 49 29 0;
  --color-base-oklch: oklch(25.1% 0.053 73.1);
  --color-50: #FEF9F0;
  --color-100: #FDEED8;
  --color-200: #FCDEB1;
  --color-300: #F8C577;
  --color-400: #ECAA46;
  --color-500: #D28C22;
  --color-600: #9F6D23;
  --color-700: #704F1F;
  --color-800: #483518;
  --color-900: #2C2111;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  bistre: {
    50: '#FEF9F0',
    100: '#FDEED8',
    200: '#FCDEB1',
    300: '#F8C577',
    400: '#ECAA46',
    500: '#D28C22',
    600: '#9F6D23',
    700: '#704F1F',
    800: '#483518',
    900: '#2C2111',
  },
}

$base: #311D00;
$base-ink: #FFFFFF;
$base-50: #FEF9F0;
$base-100: #FDEED8;
$base-200: #FCDEB1;
$base-300: #F8C577;
$base-400: #ECAA46;
$base-500: #D28C22;
$base-600: #9F6D23;
$base-700: #704F1F;
$base-800: #483518;
$base-900: #2C2111;
$base-hover: #291800;
$base-subtle: #EEC586;

{
    "color": {
        "base": {
            "value": "#311D00",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#FEF9F0",
                "type": "color"
            },
            "100": {
                "value": "#FDEED8",
                "type": "color"
            },
            "200": {
                "value": "#FCDEB1",
                "type": "color"
            },
            "300": {
                "value": "#F8C577",
                "type": "color"
            },
            "400": {
                "value": "#ECAA46",
                "type": "color"
            },
            "500": {
                "value": "#D28C22",
                "type": "color"
            },
            "600": {
                "value": "#9F6D23",
                "type": "color"
            },
            "700": {
                "value": "#704F1F",
                "type": "color"
            },
            "800": {
                "value": "#483518",
                "type": "color"
            },
            "900": {
                "value": "#2C2111",
                "type": "color"
            }
        }
    }
}

Palettes built on #311D00

Color Lab

Pairs with #311D00

UI roles & guardrails

In real applications

Scales

Every model

Export