What color is #F3145A?

#F3145A is a medium, vivid rose. In RGB it is rgb(243, 20, 90), and in HSL hsl(341, 90%, 52%).

Is #F3145A accessible as text?

On white, #F3145A has a contrast ratio of 4.15:1 (fails WCAG AA for body text); on black it is 5.06:1 (passes). For text placed on #F3145A, use black for the best readability.

What is the closest Tailwind color to #F3145A?

The nearest Tailwind CSS token is rose-500 (#FF2056).

What colors go well with #F3145A?

#F3145A pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #16F3AD. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #F3145A below.

Is #F3145A good for buttons?

#F3145A works well for buttons and highlights, but use black text on #F3145A — white text only reaches 4.15:1, below the 4.5:1 needed for normal-size labels.

Is #F3145A the same as CSS crimson?

No — #F3145A is not the CSS named color crimson, but crimson (#DC143C) 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.

#F3145A Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #F3145A

Not just a swatch — here's how #F3145A works with other colors. Named schemes with #F3145A in its natural role, and a note on why the supporting colors balance it.

Sunset Warmth Glow · 5 colors

Glow #F3145A Secondary #E86E57 Accent #EC9A38 Anchor #5C3A51 Surface #F5E8D6

Amaranth 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 #F3145A Anchor #3A2A21 Surface #F1E2D1 Accent #989664 Secondary #3C3833

Amaranth 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 #F3145A Secondary #7C4829 Surface #EAD9C1 Accent #444F3A Anchor #5A222F

Amaranth 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 #F3145A Surface #F4E6D6 Anchor #5E2038 Accent #E6C2C2 Secondary #332B2E

Amaranth 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 #F3145A Secondary #E19BA1 Support #9B9087 Ink #17140F

Amaranth 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 Amaranth carrying the quiet middle.

Build a working theme in the generator →

Color Lab

How #F3145A 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 90/100

Warm

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

Softness 33/100

Low

Middle-weight — neither delicate nor heavy.

Depth 42/100

Moderate

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

Naturalness 6/100

Very low

Reads engineered rather than organic — synthetic, digital.

Vintage feel 15/100

Very low

Clean and current — no dusty, aged cast.

Luxury 39/100

Low

Understated — leans refined without going austere.

Brand distinctiveness 93/100

Very high

Bold and ownable — memorable as a primary brand color.

UI accent fit 58/100

Moderate

Workable accent with care around contrast.

Surface fit 19/100

Very low

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

Print safety 74/100

High

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #F3145A

For UI

For branding

For interior

For fashion

People also use #F3145A with

Fuchsia Persimmon Medium Aquamarine 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 4.5:1. Use

Subtle surface Use #F6D7E1 for cards and hover fills. Tint 80

Avoid beside #F31A16 — 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 #F3145A 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: #F3145A;
  --color-base-rgb: 243 20 90;
  --color-base-oklch: oklch(61.9% 0.241 13.3);
  --color-50: #FEF0F5;
  --color-100: #FDD8E4;
  --color-200: #FBB2C9;
  --color-300: #F27EA2;
  --color-400: #E34F7E;
  --color-500: #CA2B5D;
  --color-600: #99294C;
  --color-700: #6C233A;
  --color-800: #461B29;
  --color-900: #2B121A;
  --color-on-base: #141310;
}

// tailwind.config.js
colors: {
  amaranth: {
    50: '#FEF0F5',
    100: '#FDD8E4',
    200: '#FBB2C9',
    300: '#F27EA2',
    400: '#E34F7E',
    500: '#CA2B5D',
    600: '#99294C',
    700: '#6C233A',
    800: '#461B29',
    900: '#2B121A',
  },
}

$base: #F3145A;
$base-ink: #141310;
$base-50: #FEF0F5;
$base-100: #FDD8E4;
$base-200: #FBB2C9;
$base-300: #F27EA2;
$base-400: #E34F7E;
$base-500: #CA2B5D;
$base-600: #99294C;
$base-700: #6C233A;
$base-800: #461B29;
$base-900: #2B121A;
$base-hover: #CA0B47;
$base-subtle: #F3C1D1;

{
    "color": {
        "base": {
            "value": "#F3145A",
            "type": "color"
        },
        "onBase": {
            "value": "#141310",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#FEF0F5",
                "type": "color"
            },
            "100": {
                "value": "#FDD8E4",
                "type": "color"
            },
            "200": {
                "value": "#FBB2C9",
                "type": "color"
            },
            "300": {
                "value": "#F27EA2",
                "type": "color"
            },
            "400": {
                "value": "#E34F7E",
                "type": "color"
            },
            "500": {
                "value": "#CA2B5D",
                "type": "color"
            },
            "600": {
                "value": "#99294C",
                "type": "color"
            },
            "700": {
                "value": "#6C233A",
                "type": "color"
            },
            "800": {
                "value": "#461B29",
                "type": "color"
            },
            "900": {
                "value": "#2B121A",
                "type": "color"
            }
        }
    }
}

Palettes built on #F3145A

Color Lab

Pairs with #F3145A

UI roles & guardrails

In real applications

Scales

Every model

Export