What color is #EF644B?

#EF644B is a warm, earthy red-orange. In RGB it is rgb(239, 100, 75), and in HSL hsl(9, 84%, 62%).

Is #EF644B accessible as text?

On white, #EF644B has a contrast ratio of 3.18:1 (fails WCAG AA for body text); on black it is 6.59:1 (passes). For text placed on #EF644B, use black for the best readability.

What is the closest Tailwind color to #EF644B?

The nearest Tailwind CSS token is red-400 (#FF6467).

What colors go well with #EF644B?

#EF644B pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #4DD7EF. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #EF644B below.

Is #EF644B good for buttons?

#EF644B works well for buttons and highlights, but use black text on #EF644B — white text only reaches 3.18:1, below the 4.5:1 needed for normal-size labels.

Is #EF644B the same as CSS tomato?

No — #EF644B is not the CSS named color tomato, but tomato (#FF6347) is the closest CSS named color.

#EF644B Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #EF644B

Not just a swatch — here's how #EF644B works with other colors. Named schemes with #EF644B in its natural role, and a note on why the supporting colors balance it.

Warm Autumn Interior Dominant · 5 colors

Dominant #EF644B Secondary #B76324 Accent #777743 Surface #F4ECDD Anchor #3B2A20

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

Desert Clay Center · 5 colors

Center #EF644B Surface #E3CEA8 Secondary #B17957 Accent #97976D Anchor #3E2C21

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

Coastal Morning Lead · 5 colors

Lead #EF644B Accent #ADC3B3 Surface #E6D7BE Secondary #9BA09E Anchor #28314B

Tomato Red opens this coastal palette with sea-glass and warm sand alongside it, grounded by driftwood grey and a deep-navy anchor.

Japanese Sand Base · 5 colors

Base #EF644B Surface #F0E9DC Highlight #F7F1E7 Secondary #BBAE9F Ink #2B2723

Tomato Red 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 #EF644B Secondary #E7B4A9 Support #9B9186 Ink #17140F

Tomato 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 Tomato Red carrying the quiet middle.

Build a working theme in the generator →

Color Lab

How #EF644B 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 98/100

Warm

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

Softness 45/100

Moderate

Middle-weight — neither delicate nor heavy.

Depth 34/100

Low

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

Naturalness 57/100

Moderate

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

Vintage feel 42/100

Moderate

A faint retro warmth without tipping into sepia.

Luxury 37/100

Low

Understated — leans refined without going austere.

Brand distinctiveness 68/100

High

Bold and ownable — memorable as a primary brand color.

UI accent fit 66/100

High

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

Surface fit 24/100

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 #EF644B

For UI

For branding

For interior

For fashion

People also use #EF644B with

Hot Pink Saffron Lagoon Blue Gainsboro Espresso

UI roles & guardrails

Primary action Safe as a filled button with near-black label. AA

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 5.8:1. Use

Subtle surface Use #F7E3E0 for cards and hover fills. Tint 80

Avoid beside #EF9B4D — 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 #EF644B 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: #EF644B;
  --color-base-rgb: 239 100 75;
  --color-base-oklch: oklch(67.4% 0.177 32.2);
  --color-50: #FEF2F0;
  --color-100: #FDDED8;
  --color-200: #F8BEB4;
  --color-300: #EE9281;
  --color-400: #DF6853;
  --color-500: #C44730;
  --color-600: #953C2D;
  --color-700: #693025;
  --color-800: #45221C;
  --color-900: #2A1713;
  --color-on-base: #141310;
}

// tailwind.config.js
colors: {
  tomato-red: {
    50: '#FEF2F0',
    100: '#FDDED8',
    200: '#F8BEB4',
    300: '#EE9281',
    400: '#DF6853',
    500: '#C44730',
    600: '#953C2D',
    700: '#693025',
    800: '#45221C',
    900: '#2A1713',
  },
}

$base: #EF644B;
$base-ink: #141310;
$base-50: #FEF2F0;
$base-100: #FDDED8;
$base-200: #F8BEB4;
$base-300: #EE9281;
$base-400: #DF6853;
$base-500: #C44730;
$base-600: #953C2D;
$base-700: #693025;
$base-800: #45221C;
$base-900: #2A1713;
$base-hover: #E93414;
$base-subtle: #F4D5CF;

{
    "color": {
        "base": {
            "value": "#EF644B",
            "type": "color"
        },
        "onBase": {
            "value": "#141310",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#FEF2F0",
                "type": "color"
            },
            "100": {
                "value": "#FDDED8",
                "type": "color"
            },
            "200": {
                "value": "#F8BEB4",
                "type": "color"
            },
            "300": {
                "value": "#EE9281",
                "type": "color"
            },
            "400": {
                "value": "#DF6853",
                "type": "color"
            },
            "500": {
                "value": "#C44730",
                "type": "color"
            },
            "600": {
                "value": "#953C2D",
                "type": "color"
            },
            "700": {
                "value": "#693025",
                "type": "color"
            },
            "800": {
                "value": "#45221C",
                "type": "color"
            },
            "900": {
                "value": "#2A1713",
                "type": "color"
            }
        }
    }
}

Palettes built on #EF644B

Color Lab

Pairs with #EF644B

UI roles & guardrails

In real applications

Scales

Every model

Export