What color is #A8370B?

#A8370B is a dark, vivid red-orange. In RGB it is rgb(168, 55, 11), and in HSL hsl(17, 88%, 35%).

Is #A8370B accessible as text?

On white, #A8370B has a contrast ratio of 6.53:1 (passes WCAG AA for body text); on black it is 3.22:1 (fails). For text placed on #A8370B, use white for the best readability.

What is the closest Tailwind color to #A8370B?

The nearest Tailwind CSS token is orange-800 (#9F2D00).

What colors go well with #A8370B?

#A8370B pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #0B7BA8. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #A8370B below.

Is #A8370B good for buttons?

#A8370B works well for buttons and highlights, but use white text on #A8370B — black text only reaches 3.22:1, below the 4.5:1 needed for normal-size labels.

Is #A8370B the same as CSS brown?

No — #A8370B is not the CSS named color brown, but brown (#A52A2A) 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.

#A8370B Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #A8370B

Not just a swatch — here's how #A8370B works with other colors. Named schemes with #A8370B in its natural role, and a note on why the supporting colors balance it.

Warm Autumn Interior Dominant · 5 colors

Dominant #A8370B Secondary #B66423 Accent #767843 Surface #F4ECDD Anchor #3B2A20

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

Modern Café Dominant · 5 colors

Dominant #A8370B Anchor #3A2A20 Surface #F0E2D0 Accent #959765 Secondary #3B3833

Rust anchors this café scheme as the warm mid-tone, lifted by latte cream and a muted sage accent and grounded by espresso brown and a warm charcoal.

Vintage Leather Lead · 5 colors

Lead #A8370B Secondary #7B4926 Surface #EAD9C0 Accent #42503B Anchor #5B222D

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

Berry & Cream Lead · 5 colors

Lead #A8370B Surface #F3E7D6 Anchor #5F2036 Accent #E6C2C1 Secondary #332B2D

Rust sits between cream and a deep berry here, softened by a blush accent and grounded by charcoal.

Minimal Editorial Surface · 5 colors

Surface #F7F4EF Accent #A8370B Secondary #A98073 Support #9B9186 Ink #17140F

Rust 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 Rust carrying the quiet middle.

Build a working theme in the generator →

Color Lab

How #A8370B 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 95/100

Warm

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

Softness 36/100

Low

Middle-weight — neither delicate nor heavy.

Depth 52/100

Moderate

Mid depth — usable as an accent or a muted ground.

Naturalness 86/100

Very high

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

Vintage feel 58/100

Moderate

Faded, nostalgic quality — editorial, heritage and retro work.

Luxury 54/100

Moderate

Understated — leans refined without going austere.

Brand distinctiveness 42/100

Moderate

Recognisable but shares space with nearby hues.

UI accent fit 97/100

Very high

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

Surface fit 8/100

Very low

Too saturated or mid-toned for big areas — keep it to accents.

Print safety 83/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #A8370B

For UI

For branding

For interior

For fashion

People also use #A8370B with

Cardinal Dark Goldenrod Teal Blue Greige Taupe

UI roles & guardrails

Primary action Safe as a filled button with white label. AA

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 6.5:1. Use

Subtle surface Use #F3D5C9 for cards and hover fills. Tint 80

Avoid beside #A86C0B — 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 #A8370B at work across the surfaces designers actually ship.

Website / UI

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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: #A8370B;
  --color-base-rgb: 168 55 11;
  --color-base-oklch: oklch(49.7% 0.156 38.1);
  --color-50: #FEF4F0;
  --color-100: #FDE2D8;
  --color-200: #FAC7B2;
  --color-300: #F09F7F;
  --color-400: #E27950;
  --color-500: #C8592D;
  --color-600: #98492A;
  --color-700: #6B3824;
  --color-800: #46271B;
  --color-900: #2B1913;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  rust: {
    50: '#FEF4F0',
    100: '#FDE2D8',
    200: '#FAC7B2',
    300: '#F09F7F',
    400: '#E27950',
    500: '#C8592D',
    600: '#98492A',
    700: '#6B3824',
    800: '#46271B',
    900: '#2B1913',
  },
}

$base: #A8370B;
$base-ink: #FFFFFF;
$base-50: #FEF4F0;
$base-100: #FDE2D8;
$base-200: #FAC7B2;
$base-300: #F09F7F;
$base-400: #E27950;
$base-500: #C8592D;
$base-600: #98492A;
$base-700: #6B3824;
$base-800: #46271B;
$base-900: #2B1913;
$base-hover: #862C09;
$base-subtle: #EFBFAC;

{
    "color": {
        "base": {
            "value": "#A8370B",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#FEF4F0",
                "type": "color"
            },
            "100": {
                "value": "#FDE2D8",
                "type": "color"
            },
            "200": {
                "value": "#FAC7B2",
                "type": "color"
            },
            "300": {
                "value": "#F09F7F",
                "type": "color"
            },
            "400": {
                "value": "#E27950",
                "type": "color"
            },
            "500": {
                "value": "#C8592D",
                "type": "color"
            },
            "600": {
                "value": "#98492A",
                "type": "color"
            },
            "700": {
                "value": "#6B3824",
                "type": "color"
            },
            "800": {
                "value": "#46271B",
                "type": "color"
            },
            "900": {
                "value": "#2B1913",
                "type": "color"
            }
        }
    }
}

Palettes built on #A8370B

Color Lab

Pairs with #A8370B

UI roles & guardrails

In real applications

Scales

Every model

Export