What color is #170503?

#170503 is a very dark low-chroma warm gray with a subtle warm cast. In RGB it is rgb(23, 5, 3), and in HSL hsl(6, 77%, 5%).

Is #170503 accessible as text?

On white, #170503 has a contrast ratio of 19.82:1 (passes WCAG AA for body text); on black it is 1.06:1 (fails). For text placed on #170503, use white for the best readability.

What is the closest Tailwind color to #170503?

The nearest Tailwind CSS token is stone-950 (#0C0A09).

What colors go well with #170503?

As a neutral, #170503 pairs cleanly with white, off-white and light grays for text, and sits under accent hues like blue, violet, emerald or warm orange — use it as a dark surface or high-contrast base and let the accent carry the color.

Is #170503 the same as CSS black?

No — #170503 is not the CSS named color black, but black (#000000) is the closest CSS named color.

#170503 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #170503

Not just a swatch — here's how #170503 works with other colors. Named schemes with #170503 in its natural role, and a note on why the supporting colors balance it.

Warm Autumn Interior Dominant · 5 colors

Dominant #170503 Secondary #B76324 Accent #777743 Surface #F4ECDD Anchor #3B2A20

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

Vintage Leather Lead · 5 colors

Lead #170503 Secondary #7B4927 Surface #EAD9C0 Accent #43503A Anchor #5A222E

Jet Black plays the worn-leather lead, deepened by saddle brown and an oxblood anchor, softened by aged cream and cooled by a muted forest green.

Desert Clay Center · 5 colors

Center #170503 Surface #E3CEA8 Secondary #B17957 Accent #98976D Anchor #3E2C21

Jet Black holds the warm center of this desert palette with sand and clay beside it, a muted-sage accent and a dark-brown anchor.

Japanese Sand Base · 5 colors

Base #170503 Surface #F0E9DC Highlight #F7F1E7 Secondary #BBAE9F Ink #2B2723

Jet Black 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 #170503 Secondary #312927 Support #9B9186 Ink #17140F

Jet Black 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 Jet Black carrying the quiet middle.

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Color Lab

How #170503 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 60/100

Neutral

Balanced temperature — flexible, sits between warm and cool schemes.

Softness 17/100

Very low

Firm and assertive — carries weight and contrast.

Depth 81/100

Very high

Deep and grounding — anchors a layout, strong dark-mode base.

Naturalness 47/100

Moderate

Loosely natural — an earthy edge without being rustic.

Vintage feel 28/100

Low

A faint retro warmth without tipping into sepia.

Luxury 80/100

High

Restrained and premium — deep, quiet, high-end packaging and fashion.

Brand distinctiveness 14/100

Very low

Quiet and neutral — a supporting tone, not a signature.

UI accent fit 5/100

Very low

Weak as an action color — too pale, too dark or too muted to signal.

Surface fit 65/100

High

Calm enough for large fills — backgrounds, cards, sections.

Print safety 96/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #170503

For UI

For branding

For interior

For fashion

People also use #170503 with

Oxblood Jet Black Gainsboro Espresso

UI roles & guardrails

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

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 19.8:1. Use

Subtle surface Use #E9B9B4 for cards and hover fills. Tint 80

Avoid beside #170B03 — 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 #170503 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: #170503;
  --color-base-rgb: 23 5 3;
  --color-base-oklch: oklch(14.8% 0.036 32.0);
  --color-50: #FEF2F1;
  --color-100: #FBDDDA;
  --color-200: #F5BDB7;
  --color-300: #E99086;
  --color-400: #D96659;
  --color-500: #BE4437;
  --color-600: #913B31;
  --color-700: #662F28;
  --color-800: #43221E;
  --color-900: #291614;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  jet-black: {
    50: '#FEF2F1',
    100: '#FBDDDA',
    200: '#F5BDB7',
    300: '#E99086',
    400: '#D96659',
    500: '#BE4437',
    600: '#913B31',
    700: '#662F28',
    800: '#43221E',
    900: '#291614',
  },
}

$base: #170503;
$base-ink: #FFFFFF;
$base-50: #FEF2F1;
$base-100: #FBDDDA;
$base-200: #F5BDB7;
$base-300: #E99086;
$base-400: #D96659;
$base-500: #BE4437;
$base-600: #913B31;
$base-700: #662F28;
$base-800: #43221E;
$base-900: #291614;
$base-hover: #120402;
$base-subtle: #E1948C;

{
    "color": {
        "base": {
            "value": "#170503",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#FEF2F1",
                "type": "color"
            },
            "100": {
                "value": "#FBDDDA",
                "type": "color"
            },
            "200": {
                "value": "#F5BDB7",
                "type": "color"
            },
            "300": {
                "value": "#E99086",
                "type": "color"
            },
            "400": {
                "value": "#D96659",
                "type": "color"
            },
            "500": {
                "value": "#BE4437",
                "type": "color"
            },
            "600": {
                "value": "#913B31",
                "type": "color"
            },
            "700": {
                "value": "#662F28",
                "type": "color"
            },
            "800": {
                "value": "#43221E",
                "type": "color"
            },
            "900": {
                "value": "#291614",
                "type": "color"
            }
        }
    }
}

Palettes built on #170503

Color Lab

Pairs with #170503

UI roles & guardrails

In real applications

Scales

Every model

Export