What color is #1B2D23?

#1B2D23 is a very dark low-chroma cool gray with a subtle cool cast. In RGB it is rgb(27, 45, 35), and in HSL hsl(147, 25%, 14%).

Is #1B2D23 accessible as text?

On white, #1B2D23 has a contrast ratio of 14.52:1 (passes WCAG AA for body text); on black it is 1.45:1 (fails). For text placed on #1B2D23, use white for the best readability.

What is the closest Tailwind color to #1B2D23?

The nearest Tailwind CSS token is neutral-800 (#262626).

What colors go well with #1B2D23?

As a neutral, #1B2D23 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 #1B2D23 the same as CSS darkslategray?

No — #1B2D23 is not the CSS named color darkslategray, but darkslategray (#2F4F4F) 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.

#1B2D23 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #1B2D23

Not just a swatch — here's how #1B2D23 works with other colors. Named schemes with #1B2D23 in its natural role, and a note on why the supporting colors balance it.

Botanical Studio Lead · 5 colors

Lead #1B2D23 Secondary #4A6C3D Accent #AC6D00 Surface #EEEAD6 Anchor #3C2F20

Sacramento Green leads this botanical set among foliage greens and a terracotta accent, softened by cream and grounded in bark brown.

Vintage Leather Lead · 5 colors

Lead #1B2D23 Secondary #744E1A Surface #E5DBC0 Accent #3C5140 Anchor #5B2320

Sacramento Green 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 #1B2D23 Surface #EEEADC Highlight #F5F1E7 Secondary #B6B09F Ink #2A2723

Sacramento Green 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 #1B2D23 Anchor #141210 Accent #BEA74C Secondary #212C25 Surface #F1EDE3

Sacramento Green 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 #F7F4EF Accent #1B2D23 Secondary #484E4A Support #989286 Ink #17140F

Sacramento Green 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 Sacramento Green carrying the quiet middle.

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Color Lab

How #1B2D23 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 47/100

Neutral

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

Softness 30/100

Low

Firm and assertive — carries weight and contrast.

Depth 68/100

High

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

Naturalness 33/100

Low

Loosely natural — an earthy edge without being rustic.

Vintage feel 30/100

Low

A faint retro warmth without tipping into sepia.

Luxury 69/100

High

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

Brand distinctiveness 12/100

Very low

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

UI accent fit 20/100

Low

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

Surface fit 58/100

Moderate

Usable as a tinted surface in measured doses.

Print safety 94/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #1B2D23

For UI

For branding

For interior

For fashion

People also use #1B2D23 with

Brunswick Green Gunmetal Gray Graphite Platinum Dark Slate Gray

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 14.5:1. Use

Subtle surface Use #CBDBD2 for cards and hover fills. Tint 80

Avoid beside #1B2D29 — 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 #1B2D23 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: #1B2D23;
  --color-base-rgb: 27 45 35;
  --color-base-oklch: oklch(27.8% 0.030 159.3);
  --color-50: #F5F9F7;
  --color-100: #E5F0EA;
  --color-200: #CCE0D5;
  --color-300: #A7C8B6;
  --color-400: #84AE97;
  --color-500: #649078;
  --color-600: #51705F;
  --color-700: #3D5146;
  --color-800: #2A3630;
  --color-900: #1B221E;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  sacramento-green: {
    50: '#F5F9F7',
    100: '#E5F0EA',
    200: '#CCE0D5',
    300: '#A7C8B6',
    400: '#84AE97',
    500: '#649078',
    600: '#51705F',
    700: '#3D5146',
    800: '#2A3630',
    900: '#1B221E',
  },
}

$base: #1B2D23;
$base-ink: #FFFFFF;
$base-50: #F5F9F7;
$base-100: #E5F0EA;
$base-200: #CCE0D5;
$base-300: #A7C8B6;
$base-400: #84AE97;
$base-500: #649078;
$base-600: #51705F;
$base-700: #3D5146;
$base-800: #2A3630;
$base-900: #1B221E;
$base-hover: #15241C;
$base-subtle: #B1CABC;

{
    "color": {
        "base": {
            "value": "#1B2D23",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F5F9F7",
                "type": "color"
            },
            "100": {
                "value": "#E5F0EA",
                "type": "color"
            },
            "200": {
                "value": "#CCE0D5",
                "type": "color"
            },
            "300": {
                "value": "#A7C8B6",
                "type": "color"
            },
            "400": {
                "value": "#84AE97",
                "type": "color"
            },
            "500": {
                "value": "#649078",
                "type": "color"
            },
            "600": {
                "value": "#51705F",
                "type": "color"
            },
            "700": {
                "value": "#3D5146",
                "type": "color"
            },
            "800": {
                "value": "#2A3630",
                "type": "color"
            },
            "900": {
                "value": "#1B221E",
                "type": "color"
            }
        }
    }
}