What color is #EF4F2B?

#EF4F2B is a warm, earthy red-orange. In RGB it is rgb(239, 79, 43), and in HSL hsl(11, 86%, 55%).

Is #EF4F2B accessible as text?

On white, #EF4F2B has a contrast ratio of 3.61:1 (fails WCAG AA for body text); on black it is 5.82:1 (passes). For text placed on #EF4F2B, use black for the best readability.

What is the closest Tailwind color to #EF4F2B?

The nearest Tailwind CSS token is orange-600 (#F54900).

What colors go well with #EF4F2B?

#EF4F2B pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #2ACBEF. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #EF4F2B below.

Is #EF4F2B good for buttons?

#EF4F2B works well for buttons and highlights, but use black text on #EF4F2B — white text only reaches 3.61:1, below the 4.5:1 needed for normal-size labels.

Is #EF4F2B the same as CSS orangered?

No — #EF4F2B is not the CSS named color orangered, but orangered (#FF4500) 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.

#EF4F2B Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #EF4F2B

Not just a swatch — here's how #EF4F2B works with other colors. Named schemes with #EF4F2B in its natural role, and a note on why the supporting colors balance it.

Sunset Warmth Glow · 5 colors

Glow #EF4F2B Secondary #E76F51 Accent #EA9C34 Anchor #5C3950 Surface #F4E8D6

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

Japanese Sand Base · 5 colors

Base #EF4F2B Surface #F0E9DC Highlight #F7F1E7 Secondary #BBAE9F Ink #2B2723

Cinnabar 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.

Warm Autumn Interior Dominant · 5 colors

Dominant #EF4F2B Secondary #B76324 Accent #777743 Surface #F4ECDD Anchor #3B2A20

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

Minimal Editorial Surface · 5 colors

Surface #F7F4EF Accent #EF4F2B Secondary #E3A99B Support #9B9186 Ink #17140F

Cinnabar 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 Cinnabar carrying the quiet middle.

Luxury Packaging Feature · 5 colors

Feature #EF4F2B Anchor #141210 Accent #D09E4D Secondary #322522 Surface #F2EDE3

Cinnabar carries the depth in this luxury scheme, offset by a brass accent and near-black and held together by a deep neutral and an off-white surface.

Build a working theme in the generator →

Color Lab

How #EF4F2B 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 40/100

Low

Middle-weight — neither delicate nor heavy.

Depth 38/100

Low

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

Naturalness 33/100

Low

Loosely natural — an earthy edge without being rustic.

Vintage feel 33/100

Low

A faint retro warmth without tipping into sepia.

Luxury 39/100

Low

Understated — leans refined without going austere.

Brand distinctiveness 78/100

High

Bold and ownable — memorable as a primary brand color.

UI accent fit 68/100

High

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

Surface fit 21/100

Low

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

Print safety 78/100

High

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #EF4F2B

For UI

For branding

For interior

For fashion

People also use #EF4F2B with

Strawberry Saffron Lagoon Blue Gainsboro 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 5.2:1. Use

Subtle surface Use #F6DFDA for cards and hover fills. Tint 80

Avoid beside #EF902A — 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 #EF4F2B at work across the surfaces designers actually ship.

Website / UI

Northwind Sign up

Build faster.

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: #EF4F2B;
  --color-base-rgb: 239 79 43;
  --color-base-oklch: oklch(64.5% 0.202 34.0);
  --color-50: #FEF3F0;
  --color-100: #FDDFD8;
  --color-200: #F9C0B3;
  --color-300: #EF9480;
  --color-400: #E06C52;
  --color-500: #C64A2F;
  --color-600: #963F2B;
  --color-700: #6A3125;
  --color-800: #45231C;
  --color-900: #2A1713;
  --color-on-base: #141310;
}

// tailwind.config.js
colors: {
  cinnabar: {
    50: '#FEF3F0',
    100: '#FDDFD8',
    200: '#F9C0B3',
    300: '#EF9480',
    400: '#E06C52',
    500: '#C64A2F',
    600: '#963F2B',
    700: '#6A3125',
    800: '#45231C',
    900: '#2A1713',
  },
}

$base: #EF4F2B;
$base-ink: #141310;
$base-50: #FEF3F0;
$base-100: #FDDFD8;
$base-200: #F9C0B3;
$base-300: #EF9480;
$base-400: #E06C52;
$base-500: #C64A2F;
$base-600: #963F2B;
$base-700: #6A3125;
$base-800: #45231C;
$base-900: #2A1713;
$base-hover: #D13310;
$base-subtle: #F3CEC6;

{
    "color": {
        "base": {
            "value": "#EF4F2B",
            "type": "color"
        },
        "onBase": {
            "value": "#141310",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#FEF3F0",
                "type": "color"
            },
            "100": {
                "value": "#FDDFD8",
                "type": "color"
            },
            "200": {
                "value": "#F9C0B3",
                "type": "color"
            },
            "300": {
                "value": "#EF9480",
                "type": "color"
            },
            "400": {
                "value": "#E06C52",
                "type": "color"
            },
            "500": {
                "value": "#C64A2F",
                "type": "color"
            },
            "600": {
                "value": "#963F2B",
                "type": "color"
            },
            "700": {
                "value": "#6A3125",
                "type": "color"
            },
            "800": {
                "value": "#45231C",
                "type": "color"
            },
            "900": {
                "value": "#2A1713",
                "type": "color"
            }
        }
    }
}

Palettes built on #EF4F2B

Color Lab

Pairs with #EF4F2B

UI roles & guardrails

In real applications

Scales

Every model

Export