What color is #3F2B10?

#3F2B10 is a very dark brown. In RGB it is rgb(63, 43, 16), and in HSL hsl(34, 59%, 15%).

Is #3F2B10 accessible as text?

On white, #3F2B10 has a contrast ratio of 13.42:1 (passes WCAG AA for body text); on black it is 1.56:1 (fails). For text placed on #3F2B10, use white for the best readability.

What is the closest Tailwind color to #3F2B10?

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

What colors go well with #3F2B10?

#3F2B10 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #10233D. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #3F2B10 below.

Is #3F2B10 good for buttons?

#3F2B10 works well for buttons and highlights, but use white text on #3F2B10 — black text only reaches 1.56:1, below the 4.5:1 needed for normal-size labels.

Is #3F2B10 the same as CSS darkslategray?

No — #3F2B10 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.

#3F2B10 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #3F2B10

Not just a swatch — here's how #3F2B10 works with other colors. Named schemes with #3F2B10 in its natural role, and a note on why the supporting colors balance it.

Warm Autumn Interior Dominant · 5 colors

Dominant #3F2B10 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 #3F2B10 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 #3F2B10 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 #3F2B10 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 #3F2B10 Secondary #5B534A 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 #3F2B10 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 64/100

Warm

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

Softness 31/100

Low

Firm and assertive — carries weight and contrast.

Depth 66/100

High

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

Naturalness 67/100

High

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

Vintage feel 49/100

Moderate

A faint retro warmth without tipping into sepia.

Luxury 69/100

High

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

Brand distinctiveness 19/100

Very low

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

UI accent fit 30/100

Low

Workable accent with care around contrast.

Surface fit 50/100

Moderate

Usable as a tinted surface in measured doses.

Print safety 94/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #3F2B10

For UI

For branding

For interior

For fashion

People also use #3F2B10 with

Rosewood Espresso Navy 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 13.4:1. Use

Subtle surface Use #E6D6C1 for cards and hover fills. Tint 80

Avoid beside #3D3810 — 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 #3F2B10 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: #3F2B10;
  --color-base-rgb: 63 43 16;
  --color-base-oklch: oklch(30.7% 0.050 72.1);
  --color-50: #FCF8F2;
  --color-100: #F7ECDE;
  --color-200: #EED9BE;
  --color-300: #DEBD92;
  --color-400: #CAA068;
  --color-500: #AE8146;
  --color-600: #86663C;
  --color-700: #5F4B30;
  --color-800: #3F3222;
  --color-900: #272017;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  bistre: {
    50: '#FCF8F2',
    100: '#F7ECDE',
    200: '#EED9BE',
    300: '#DEBD92',
    400: '#CAA068',
    500: '#AE8146',
    600: '#86663C',
    700: '#5F4B30',
    800: '#3F3222',
    900: '#272017',
  },
}

$base: #3F2B10;
$base-ink: #FFFFFF;
$base-50: #FCF8F2;
$base-100: #F7ECDE;
$base-200: #EED9BE;
$base-300: #DEBD92;
$base-400: #CAA068;
$base-500: #AE8146;
$base-600: #86663C;
$base-700: #5F4B30;
$base-800: #3F3222;
$base-900: #272017;
$base-hover: #31210D;
$base-subtle: #DBC2A1;

{
    "color": {
        "base": {
            "value": "#3F2B10",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#FCF8F2",
                "type": "color"
            },
            "100": {
                "value": "#F7ECDE",
                "type": "color"
            },
            "200": {
                "value": "#EED9BE",
                "type": "color"
            },
            "300": {
                "value": "#DEBD92",
                "type": "color"
            },
            "400": {
                "value": "#CAA068",
                "type": "color"
            },
            "500": {
                "value": "#AE8146",
                "type": "color"
            },
            "600": {
                "value": "#86663C",
                "type": "color"
            },
            "700": {
                "value": "#5F4B30",
                "type": "color"
            },
            "800": {
                "value": "#3F3222",
                "type": "color"
            },
            "900": {
                "value": "#272017",
                "type": "color"
            }
        }
    }
}

Palettes built on #3F2B10

Color Lab

Pairs with #3F2B10

UI roles & guardrails

In real applications

Scales

Every model

Export