What color is #A31101?

#A31101 is a dark, vivid red. In RGB it is rgb(163, 17, 1), and in HSL hsl(6, 99%, 32%).

Is #A31101 accessible as text?

On white, #A31101 has a contrast ratio of 7.96:1 (passes WCAG AA for body text); on black it is 2.64:1 (fails). For text placed on #A31101, use white for the best readability.

What is the closest Tailwind color to #A31101?

The nearest Tailwind CSS token is red-800 (#9F0712).

What colors go well with #A31101?

#A31101 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #0192A2. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #A31101 below.

Is #A31101 good for buttons?

#A31101 works well for buttons and highlights, but use white text on #A31101 — black text only reaches 2.64:1, below the 4.5:1 needed for normal-size labels.

Is #A31101 the same as CSS brown?

No — #A31101 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.

#A31101 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #A31101

Not just a swatch — here's how #A31101 works with other colors. Named schemes with #A31101 in its natural role, and a note on why the supporting colors balance it.

Warm Autumn Interior Dominant · 5 colors

Dominant #A31101 Secondary #B76325 Accent #777743 Surface #F4EBDD Anchor #3B2A21

This palette keeps Cherry Red 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 #A31101 Anchor #3A2A21 Surface #F0E2D0 Accent #969665 Secondary #3B3833

Cherry Red 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 #A31101 Secondary #7B4927 Surface #EAD9C0 Accent #43503A Anchor #5A222E

Cherry Red 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 #A31101 Surface #F3E6D6 Anchor #5F2036 Accent #E6C2C1 Secondary #332B2D

Cherry Red 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 #A31101 Secondary #A17168 Support #9B9186 Ink #17140F

Cherry Red 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 Cherry Red carrying the quiet middle.

Build a working theme in the generator →

Color Lab

How #A31101 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 97/100

Warm

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

Softness 31/100

Low

Firm and assertive — carries weight and contrast.

Depth 57/100

Moderate

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

Naturalness 54/100

Moderate

Loosely natural — an earthy edge without being rustic.

Vintage feel 44/100

Moderate

A faint retro warmth without tipping into sepia.

Luxury 56/100

Moderate

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

Brand distinctiveness 48/100

Moderate

Recognisable but shares space with nearby hues.

UI accent fit 86/100

Very high

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

Surface fit 10/100

Very low

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

Print safety 81/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #A31101

For UI

For branding

For interior

For fashion

People also use #A31101 with

Ruby Red Ginger Teal Gainsboro Espresso

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 8.0:1. Use

Subtle surface Use #F5C9C4 for cards and hover fills. Tint 80

Avoid beside #A24701 — 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 #A31101 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: #A31101;
  --color-base-rgb: 163 17 1;
  --color-base-oklch: oklch(45.6% 0.178 30.6);
  --color-50: #FEF2F0;
  --color-100: #FDDCD8;
  --color-200: #FCB8B1;
  --color-300: #F78478;
  --color-400: #EB5747;
  --color-500: #D23523;
  --color-600: #9F3023;
  --color-700: #6F271F;
  --color-800: #481D19;
  --color-900: #2C1411;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  cherry-red: {
    50: '#FEF2F0',
    100: '#FDDCD8',
    200: '#FCB8B1',
    300: '#F78478',
    400: '#EB5747',
    500: '#D23523',
    600: '#9F3023',
    700: '#6F271F',
    800: '#481D19',
    900: '#2C1411',
  },
}

$base: #A31101;
$base-ink: #FFFFFF;
$base-50: #FEF2F0;
$base-100: #FDDCD8;
$base-200: #FCB8B1;
$base-300: #F78478;
$base-400: #EB5747;
$base-500: #D23523;
$base-600: #9F3023;
$base-700: #6F271F;
$base-800: #481D19;
$base-900: #2C1411;
$base-hover: #820E01;
$base-subtle: #F2ACA4;

{
    "color": {
        "base": {
            "value": "#A31101",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#FEF2F0",
                "type": "color"
            },
            "100": {
                "value": "#FDDCD8",
                "type": "color"
            },
            "200": {
                "value": "#FCB8B1",
                "type": "color"
            },
            "300": {
                "value": "#F78478",
                "type": "color"
            },
            "400": {
                "value": "#EB5747",
                "type": "color"
            },
            "500": {
                "value": "#D23523",
                "type": "color"
            },
            "600": {
                "value": "#9F3023",
                "type": "color"
            },
            "700": {
                "value": "#6F271F",
                "type": "color"
            },
            "800": {
                "value": "#481D19",
                "type": "color"
            },
            "900": {
                "value": "#2C1411",
                "type": "color"
            }
        }
    }
}

Palettes built on #A31101

Color Lab

Pairs with #A31101

UI roles & guardrails

In real applications

Scales

Every model

Export