What color is #EF6739?

#EF6739 is a warm, earthy red-orange. In RGB it is rgb(239, 103, 57), and in HSL hsl(15, 85%, 58%).

Is #EF6739 accessible as text?

On white, #EF6739 has a contrast ratio of 3.15:1 (fails WCAG AA for body text); on black it is 6.67:1 (passes). For text placed on #EF6739, use black for the best readability.

What is the closest Tailwind color to #EF6739?

The nearest Tailwind CSS token is orange-500 (#FF6900).

What colors go well with #EF6739?

#EF6739 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #39C1EF. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #EF6739 below.

Is #EF6739 good for buttons?

#EF6739 works well for buttons and highlights, but use black text on #EF6739 — white text only reaches 3.15:1, below the 4.5:1 needed for normal-size labels.

Is #EF6739 the same as CSS tomato?

No — #EF6739 is not the CSS named color tomato, but tomato (#FF6347) 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.

#EF6739 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #EF6739

Not just a swatch — here's how #EF6739 works with other colors. Named schemes with #EF6739 in its natural role, and a note on why the supporting colors balance it.

Warm Autumn Interior Dominant · 5 colors

Dominant #EF6739 Secondary #B66422 Accent #767843 Surface #F4ECDD Anchor #3B2A20

This palette keeps Burnt Sienna 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 #EF6739 Surface #E3CEA8 Secondary #B17957 Accent #97976D Anchor #3E2C20

Burnt Sienna 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 #EF6739 Accent #ADC3B3 Surface #E6D7BE Secondary #9AA09E Anchor #29314B

Burnt Sienna 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 #EF6739 Surface #F0E9DC Highlight #F7F1E7 Secondary #BAAE9F Ink #2B2723

Burnt Sienna 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 #EF6739 Secondary #E8B6A6 Support #9B9186 Ink #17140F

Burnt Sienna 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 Burnt Sienna carrying the quiet middle.

Build a working theme in the generator →

Color Lab

How #EF6739 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 99/100

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 60/100

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 69/100

High

Bold and ownable — memorable as a primary brand color.

UI accent fit 65/100

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 80/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #EF6739

For UI

For branding

For interior

For fashion

People also use #EF6739 with

Strawberry Jonquil Picton Blue Greige Taupe

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 5.9:1. Use

Subtle surface Use #F7E3DC for cards and hover fills. Tint 80

Avoid beside #EFA339 — 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 #EF6739 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: #EF6739;
  --color-base-rgb: 239 103 57;
  --color-base-oklch: oklch(67.6% 0.179 38.6);
  --color-50: #FEF4F0;
  --color-100: #FDE1D8;
  --color-200: #F9C5B4;
  --color-300: #EE9C81;
  --color-400: #DF7653;
  --color-500: #C55530;
  --color-600: #96462C;
  --color-700: #6A3625;
  --color-800: #45261C;
  --color-900: #2A1913;
  --color-on-base: #141310;
}

// tailwind.config.js
colors: {
  burnt-sienna: {
    50: '#FEF4F0',
    100: '#FDE1D8',
    200: '#F9C5B4',
    300: '#EE9C81',
    400: '#DF7653',
    500: '#C55530',
    600: '#96462C',
    700: '#6A3625',
    800: '#45261C',
    900: '#2A1913',
  },
}

$base: #EF6739;
$base-ink: #141310;
$base-50: #FEF4F0;
$base-100: #FDE1D8;
$base-200: #F9C5B4;
$base-300: #EE9C81;
$base-400: #DF7653;
$base-500: #C55530;
$base-600: #96462C;
$base-700: #6A3625;
$base-800: #45261C;
$base-900: #2A1913;
$base-hover: #DB4412;
$base-subtle: #F4D4CA;

{
    "color": {
        "base": {
            "value": "#EF6739",
            "type": "color"
        },
        "onBase": {
            "value": "#141310",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#FEF4F0",
                "type": "color"
            },
            "100": {
                "value": "#FDE1D8",
                "type": "color"
            },
            "200": {
                "value": "#F9C5B4",
                "type": "color"
            },
            "300": {
                "value": "#EE9C81",
                "type": "color"
            },
            "400": {
                "value": "#DF7653",
                "type": "color"
            },
            "500": {
                "value": "#C55530",
                "type": "color"
            },
            "600": {
                "value": "#96462C",
                "type": "color"
            },
            "700": {
                "value": "#6A3625",
                "type": "color"
            },
            "800": {
                "value": "#45261C",
                "type": "color"
            },
            "900": {
                "value": "#2A1913",
                "type": "color"
            }
        }
    }
}

Palettes built on #EF6739

Color Lab

Pairs with #EF6739

UI roles & guardrails

In real applications

Scales

Every model

Export