What color is #170F1F?

#170F1F is a very dark low-chroma blue-gray with a subtle blue cast. In RGB it is rgb(23, 15, 31), and in HSL hsl(270, 35%, 9%).

Is #170F1F accessible as text?

On white, #170F1F has a contrast ratio of 18.67:1 (passes WCAG AA for body text); on black it is 1.12:1 (fails). For text placed on #170F1F, use white for the best readability.

What is the closest Tailwind color to #170F1F?

The nearest Tailwind CSS token is gray-900 (#101828).

What colors go well with #170F1F?

As a neutral, #170F1F 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 #170F1F the same as CSS midnightblue?

No — #170F1F is not the CSS named color midnightblue, but midnightblue (#191970) 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.

#170F1F Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #170F1F

Not just a swatch — here's how #170F1F works with other colors. Named schemes with #170F1F in its natural role, and a note on why the supporting colors balance it.

Vintage Leather Lead · 5 colors

Lead #170F1F Secondary #7E4631 Surface #EDD8C1 Accent #355248 Anchor #592236

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

Japanese Sand Base · 5 colors

Base #170F1F Surface #F2E8DD Highlight #F8F0E7 Secondary #BDADA1 Ink #2C2723

Graphite 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.

Luxury Packaging Feature · 5 colors

Feature #170F1F Anchor #141210 Accent #D99855 Secondary #2B2631 Surface #F3ECE3

Graphite 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.

Minimal Editorial Surface · 5 colors

Surface #F8F4EF Accent #170F1F Secondary #36333A Support #9C9088 Ink #18140F

Graphite 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 Graphite carrying the quiet middle.

Berry & Cream Lead · 5 colors

Lead #170F1F Surface #F5E6D7 Anchor #5C213F Accent #E5C2C7 Secondary #332B2F

Graphite sits between cream and a deep berry here, softened by a blush accent and grounded by charcoal.

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Color Lab

How #170F1F 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 48/100

Neutral

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

Softness 21/100

Low

Firm and assertive — carries weight and contrast.

Depth 77/100

High

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

Naturalness 0/100

Very low

Reads engineered rather than organic — synthetic, digital.

Vintage feel 24/100

Low

Clean and current — no dusty, aged cast.

Luxury 77/100

High

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

Brand distinctiveness 13/100

Very low

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

UI accent fit 8/100

Very low

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

Surface fit 63/100

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 #170F1F

For UI

For branding

For interior

For fashion

People also use #170F1F with

Graphite Gainsboro Onyx

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 18.7:1. Use

Subtle surface Use #D1C5DC for cards and hover fills. Tint 80

Avoid beside #1C0F1F — 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 #170F1F 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
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Packaging

BLOOM

Botanical Wash

250 ml

Interior

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Export

:root {
  --color-base: #170F1F;
  --color-base-rgb: 23 15 31;
  --color-base-oklch: oklch(18.7% 0.034 306.4);
  --color-50: #F7F4FA;
  --color-100: #EBE3F2;
  --color-200: #D6C8E4;
  --color-300: #B8A1CE;
  --color-400: #997CB6;
  --color-500: #7A5C99;
  --color-600: #614B77;
  --color-700: #473956;
  --color-800: #302839;
  --color-900: #1F1A23;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  graphite: {
    50: '#F7F4FA',
    100: '#EBE3F2',
    200: '#D6C8E4',
    300: '#B8A1CE',
    400: '#997CB6',
    500: '#7A5C99',
    600: '#614B77',
    700: '#473956',
    800: '#302839',
    900: '#1F1A23',
  },
}

$base: #170F1F;
$base-ink: #FFFFFF;
$base-50: #F7F4FA;
$base-100: #EBE3F2;
$base-200: #D6C8E4;
$base-300: #B8A1CE;
$base-400: #997CB6;
$base-500: #7A5C99;
$base-600: #614B77;
$base-700: #473956;
$base-800: #302839;
$base-900: #1F1A23;
$base-hover: #120C19;
$base-subtle: #B9A7CC;

{
    "color": {
        "base": {
            "value": "#170F1F",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F7F4FA",
                "type": "color"
            },
            "100": {
                "value": "#EBE3F2",
                "type": "color"
            },
            "200": {
                "value": "#D6C8E4",
                "type": "color"
            },
            "300": {
                "value": "#B8A1CE",
                "type": "color"
            },
            "400": {
                "value": "#997CB6",
                "type": "color"
            },
            "500": {
                "value": "#7A5C99",
                "type": "color"
            },
            "600": {
                "value": "#614B77",
                "type": "color"
            },
            "700": {
                "value": "#473956",
                "type": "color"
            },
            "800": {
                "value": "#302839",
                "type": "color"
            },
            "900": {
                "value": "#1F1A23",
                "type": "color"
            }
        }
    }
}

Palettes built on #170F1F

Color Lab

Pairs with #170F1F

UI roles & guardrails

In real applications

Scales

Every model

Export