What color is #CB3308?

#CB3308 is a medium, vivid red-orange. In RGB it is rgb(203, 51, 8), and in HSL hsl(13, 92%, 41%).

Is #CB3308 accessible as text?

On white, #CB3308 has a contrast ratio of 5.23:1 (passes WCAG AA for body text); on black it is 4.02:1 (fails). For text placed on #CB3308, use white for the best readability.

What is the closest Tailwind color to #CB3308?

The nearest Tailwind CSS token is orange-700 (#CA3500).

What colors go well with #CB3308?

#CB3308 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #089FC9. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #CB3308 below.

Is #CB3308 good for buttons?

#CB3308 works well for buttons and highlights, but use white text on #CB3308 — black text only reaches 4.02:1, below the 4.5:1 needed for normal-size labels.

Is #CB3308 the same as CSS crimson?

No — #CB3308 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.

#CB3308 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #CB3308

Not just a swatch — here's how #CB3308 works with other colors. Named schemes with #CB3308 in its natural role, and a note on why the supporting colors balance it.

Sunset Warmth Glow · 5 colors

Glow #CB3308 Secondary #E76F51 Accent #EA9C34 Anchor #5C3950 Surface #F4E8D6

Mahogany 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 #CB3308 Anchor #3A2A20 Surface #F0E2D0 Accent #959665 Secondary #3B3833

Mahogany 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 #CB3308 Secondary #7B4926 Surface #EAD9C0 Accent #42503A Anchor #5A222D

Mahogany 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 #CB3308 Surface #F3E7D6 Anchor #5F2036 Accent #E6C2C1 Secondary #332B2D

Mahogany 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 #CB3308 Secondary #C38E81 Support #9B9186 Ink #17140F

Mahogany 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 Mahogany carrying the quiet middle.

Build a working theme in the generator →

Color Lab

How #CB3308 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 48/100

Moderate

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

Naturalness 41/100

Moderate

Loosely natural — an earthy edge without being rustic.

Vintage feel 43/100

Moderate

A faint retro warmth without tipping into sepia.

Luxury 47/100

Moderate

Understated — leans refined without going austere.

Brand distinctiveness 75/100

High

Bold and ownable — memorable as a primary brand color.

UI accent fit 88/100

Very high

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

Surface fit 13/100

Very low

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

Print safety 79/100

High

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #CB3308

For UI

For branding

For interior

For fashion

People also use #CB3308 with

Raspberry Goldenrod Bondi Blue Gainsboro Taupe

UI roles & guardrails

Primary action Safe as a filled button with white label. AA

Body text Passes on white at 16px and above. Pass

Large display Fine for headings 24px+ on white. Pass

Background Pair with white text at 5.2:1. Use

Subtle surface Use #F5D6CD for cards and hover fills. Tint 80

Avoid beside #C97208 — 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 #CB3308 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: #CB3308;
  --color-base-rgb: 203 51 8;
  --color-base-oklch: oklch(55.4% 0.194 34.2);
  --color-50: #FEF3F0;
  --color-100: #FDE0D8;
  --color-200: #FCC1B1;
  --color-300: #F3967C;
  --color-400: #E56E4D;
  --color-500: #CB4D29;
  --color-600: #9A4028;
  --color-700: #6D3222;
  --color-800: #47241A;
  --color-900: #2B1812;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  mahogany: {
    50: '#FEF3F0',
    100: '#FDE0D8',
    200: '#FCC1B1',
    300: '#F3967C',
    400: '#E56E4D',
    500: '#CB4D29',
    600: '#9A4028',
    700: '#6D3222',
    800: '#47241A',
    900: '#2B1812',
  },
}

$base: #CB3308;
$base-ink: #FFFFFF;
$base-50: #FEF3F0;
$base-100: #FDE0D8;
$base-200: #FCC1B1;
$base-300: #F3967C;
$base-400: #E56E4D;
$base-500: #CB4D29;
$base-600: #9A4028;
$base-700: #6D3222;
$base-800: #47241A;
$base-900: #2B1812;
$base-hover: #A12807;
$base-subtle: #F1C0B2;

{
    "color": {
        "base": {
            "value": "#CB3308",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#FEF3F0",
                "type": "color"
            },
            "100": {
                "value": "#FDE0D8",
                "type": "color"
            },
            "200": {
                "value": "#FCC1B1",
                "type": "color"
            },
            "300": {
                "value": "#F3967C",
                "type": "color"
            },
            "400": {
                "value": "#E56E4D",
                "type": "color"
            },
            "500": {
                "value": "#CB4D29",
                "type": "color"
            },
            "600": {
                "value": "#9A4028",
                "type": "color"
            },
            "700": {
                "value": "#6D3222",
                "type": "color"
            },
            "800": {
                "value": "#47241A",
                "type": "color"
            },
            "900": {
                "value": "#2B1812",
                "type": "color"
            }
        }
    }
}

Palettes built on #CB3308

Color Lab

Pairs with #CB3308

UI roles & guardrails

In real applications

Scales

Every model

Export