What color is #EF203F?

#EF203F is a medium, vivid red. In RGB it is rgb(239, 32, 63), and in HSL hsl(351, 87%, 53%).

Is #EF203F accessible as text?

On white, #EF203F has a contrast ratio of 4.24:1 (fails WCAG AA for body text); on black it is 4.95:1 (passes). For text placed on #EF203F, use black for the best readability.

What is the closest Tailwind color to #EF203F?

The nearest Tailwind CSS token is rose-600 (#EC003F).

What colors go well with #EF203F?

#EF203F pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #1FEFD0. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #EF203F below.

Is #EF203F good for buttons?

#EF203F works well for buttons and highlights, but use black text on #EF203F — white text only reaches 4.24:1, below the 4.5:1 needed for normal-size labels.

Is #EF203F the same as CSS crimson?

No — #EF203F is not the CSS named color crimson, but crimson (#DC143C) is the closest CSS named color.

#EF203F Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #EF203F

Not just a swatch — here's how #EF203F works with other colors. Named schemes with #EF203F in its natural role, and a note on why the supporting colors balance it.

Sunset Warmth Glow · 5 colors

Glow #EF203F Secondary #E76E55 Accent #EB9B36 Anchor #5C3951 Surface #F5E8D6

Imperial Red glows at the center of this sunset palette, joined by coral and gold, deepened by a plum anchor and cooled with cream.

Modern Café Dominant · 5 colors

Dominant #EF203F Anchor #3A2A21 Surface #F1E2D0 Accent #979664 Secondary #3C3833

Imperial 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 #EF203F Secondary #7C4928 Surface #EAD9C0 Accent #43503A Anchor #5A222F

Imperial 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 #EF203F Surface #F3E6D6 Anchor #5F2037 Accent #E6C2C2 Secondary #332B2E

Imperial 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 #EF203F Secondary #DD9A98 Support #9B9087 Ink #17140F

Imperial 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 Imperial Red carrying the quiet middle.

Build a working theme in the generator →

Color Lab

How #EF203F 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 94/100

Warm

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

Softness 34/100

Low

Middle-weight — neither delicate nor heavy.

Depth 43/100

Moderate

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

Naturalness 10/100

Very low

Reads engineered rather than organic — synthetic, digital.

Vintage feel 20/100

Very low

Clean and current — no dusty, aged cast.

Luxury 40/100

Low

Understated — leans refined without going austere.

Brand distinctiveness 90/100

Very high

Bold and ownable — memorable as a primary brand color.

UI accent fit 63/100

High

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

Surface fit 18/100

Very low

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

Print safety 75/100

High

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #EF203F

For UI

For branding

For interior

For fashion

People also use #EF203F with

Fuchsia Princeton Orange Turquoise Gainsboro Taupe

UI roles & guardrails

Primary action Too mid-tone for a filled button — darken for the fill. AA Large

Body text Do not use for body copy on light surfaces. Avoid

Large display Fine for headings 24px+ on white. Pass

Background Pair with #141310 text at 4.4:1. Use

Subtle surface Use #F6D8DD for cards and hover fills. Tint 80

Avoid beside #EF451F — 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 #EF203F 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: #EF203F;
  --color-base-rgb: 239 32 63;
  --color-base-oklch: oklch(61.1% 0.233 21.6);
  --color-50: #FEF0F2;
  --color-100: #FDD8DD;
  --color-200: #FAB3BD;
  --color-300: #F07F90;
  --color-400: #E15167;
  --color-500: #C72E45;
  --color-600: #972B3B;
  --color-700: #6B242F;
  --color-800: #451C22;
  --color-900: #2A1316;
  --color-on-base: #141310;
}

// tailwind.config.js
colors: {
  imperial-red: {
    50: '#FEF0F2',
    100: '#FDD8DD',
    200: '#FAB3BD',
    300: '#F07F90',
    400: '#E15167',
    500: '#C72E45',
    600: '#972B3B',
    700: '#6B242F',
    800: '#451C22',
    900: '#2A1316',
  },
}

$base: #EF203F;
$base-ink: #141310;
$base-50: #FEF0F2;
$base-100: #FDD8DD;
$base-200: #FAB3BD;
$base-300: #F07F90;
$base-400: #E15167;
$base-500: #C72E45;
$base-600: #972B3B;
$base-700: #6B242F;
$base-800: #451C22;
$base-900: #2A1316;
$base-hover: #CA0E2A;
$base-subtle: #F3C3CA;

{
    "color": {
        "base": {
            "value": "#EF203F",
            "type": "color"
        },
        "onBase": {
            "value": "#141310",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#FEF0F2",
                "type": "color"
            },
            "100": {
                "value": "#FDD8DD",
                "type": "color"
            },
            "200": {
                "value": "#FAB3BD",
                "type": "color"
            },
            "300": {
                "value": "#F07F90",
                "type": "color"
            },
            "400": {
                "value": "#E15167",
                "type": "color"
            },
            "500": {
                "value": "#C72E45",
                "type": "color"
            },
            "600": {
                "value": "#972B3B",
                "type": "color"
            },
            "700": {
                "value": "#6B242F",
                "type": "color"
            },
            "800": {
                "value": "#451C22",
                "type": "color"
            },
            "900": {
                "value": "#2A1316",
                "type": "color"
            }
        }
    }
}

Palettes built on #EF203F

Color Lab

Pairs with #EF203F

UI roles & guardrails

In real applications

Scales

Every model

Export