What color is #EF3D0B?

#EF3D0B is a medium, vivid red-orange. In RGB it is rgb(239, 61, 11), and in HSL hsl(13, 91%, 49%).

Is #EF3D0B accessible as text?

On white, #EF3D0B has a contrast ratio of 3.93:1 (fails WCAG AA for body text); on black it is 5.34:1 (passes). For text placed on #EF3D0B, use black for the best readability.

What is the closest Tailwind color to #EF3D0B?

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

What colors go well with #EF3D0B?

#EF3D0B pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #0BBDEF. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #EF3D0B below.

Is #EF3D0B good for buttons?

#EF3D0B works well for buttons and highlights, but use black text on #EF3D0B — white text only reaches 3.93:1, below the 4.5:1 needed for normal-size labels.

Is #EF3D0B the same as CSS orangered?

No — #EF3D0B is not the CSS named color orangered, but orangered (#FF4500) is the closest CSS named color.

#EF3D0B Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #EF3D0B

Not just a swatch — here's how #EF3D0B works with other colors. Named schemes with #EF3D0B in its natural role, and a note on why the supporting colors balance it.

Sunset Warmth Glow · 5 colors

Glow #EF3D0B 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 #EF3D0B 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 #EF3D0B 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 #EF3D0B Secondary #DFA293 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 #EF3D0B 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 #EF3D0B 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 36/100

Low

Middle-weight — neither delicate nor heavy.

Depth 41/100

Moderate

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

Naturalness 20/100

Low

Reads engineered rather than organic — synthetic, digital.

Vintage feel 26/100

Low

A faint retro warmth without tipping into sepia.

Luxury 39/100

Low

Understated — leans refined without going austere.

Brand distinctiveness 85/100

Very 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 19/100

Very low

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

Print safety 76/100

High

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #EF3D0B

For UI

For branding

For interior

For fashion

People also use #EF3D0B with

Rose Saffron Picton 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 4.7:1. Use

Subtle surface Use #F6DBD4 for cards and hover fills. Tint 80

Avoid beside #EF880B — 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 #EF3D0B 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: #EF3D0B;
  --color-base-rgb: 239 61 11;
  --color-base-oklch: oklch(62.6% 0.220 34.1);
  --color-50: #FEF3F0;
  --color-100: #FDE0D8;
  --color-200: #FBC1B1;
  --color-300: #F2967D;
  --color-400: #E46E4E;
  --color-500: #CB4D2A;
  --color-600: #9A4128;
  --color-700: #6C3323;
  --color-800: #46241B;
  --color-900: #2B1812;
  --color-on-base: #141310;
}

// tailwind.config.js
colors: {
  cinnabar: {
    50: '#FEF3F0',
    100: '#FDE0D8',
    200: '#FBC1B1',
    300: '#F2967D',
    400: '#E46E4E',
    500: '#CB4D2A',
    600: '#9A4128',
    700: '#6C3323',
    800: '#46241B',
    900: '#2B1812',
  },
}

$base: #EF3D0B;
$base-ink: #141310;
$base-50: #FEF3F0;
$base-100: #FDE0D8;
$base-200: #FBC1B1;
$base-300: #F2967D;
$base-400: #E46E4E;
$base-500: #CB4D2A;
$base-600: #9A4128;
$base-700: #6C3323;
$base-800: #46241B;
$base-900: #2B1812;
$base-hover: #BF3009;
$base-subtle: #F3C9BD;

{
    "color": {
        "base": {
            "value": "#EF3D0B",
            "type": "color"
        },
        "onBase": {
            "value": "#141310",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#FEF3F0",
                "type": "color"
            },
            "100": {
                "value": "#FDE0D8",
                "type": "color"
            },
            "200": {
                "value": "#FBC1B1",
                "type": "color"
            },
            "300": {
                "value": "#F2967D",
                "type": "color"
            },
            "400": {
                "value": "#E46E4E",
                "type": "color"
            },
            "500": {
                "value": "#CB4D2A",
                "type": "color"
            },
            "600": {
                "value": "#9A4128",
                "type": "color"
            },
            "700": {
                "value": "#6C3323",
                "type": "color"
            },
            "800": {
                "value": "#46241B",
                "type": "color"
            },
            "900": {
                "value": "#2B1812",
                "type": "color"
            }
        }
    }
}