What color is #1F1F1F?

#1F1F1F is #1F1F1F (31, 31, 31 in RGB; hsl(0, 0%, 12%)). It sits in the grey family. Contrast is 16.48:1 on white and 1.27:1 on black.

Is #1F1F1F accessible for text?

Yes for normal text on white at 16.48:1 (WCAG AA). Still verify large and small text in a contrast checker before shipping.

How do I use #1F1F1F in CSS?

Use #1F1F1F, color: #1f1f1f;, or a custom property like --color-1f1f1f: #1f1f1f;. Nearest Tailwind-style token approximation: neutral-800. Confirm contrast pairs against WCAG before production.

Color brief · Grey

#1F1F1F (#1F1F1F) — practical notes

#1F1F1F (#1f1f1f) sits in the grey family at about 0° hue, 0% saturation, and 12% lightness. Contrast is 16.48:1 on white and 1.27:1 on black, so white labels read more clearly on the swatch itself. Nearest Tailwind token: neutral-800 (approximation unless the hex is an official scale stop).

body text, chrome, and dark-mode surfaces
text or icons on a white canvas

On a black or near-black UI, #1f1f1f is 1.27:1. Prefer it as a fill, border, or large heading rather than 16px copy.

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Specs & accessibility references: W3C WCAG 2.1 contrast minimum · MDN CSS color values · CSS Color Module Level 4 · WebAIM contrast guide.

COLOR EXPLORER

THE ORIGINAL SWATCH#1F1F1F

100% opacity · sRGB

YOUR NEXT GREAT ACCENT

#1F1F1F

Explore the codes, find a readable pairing, and see how this color feels in a real design.

grey family Calculated from HEX

HEX#1F1F1F

RGBrgb(31, 31, 31)

HSLhsl(0, 0%, 12%)

PUT IT INTO PRACTICE

A color is only half the story.

Try it with another color before you commit.

Open full contrast checker

MAKE ROOM FOR SOMETHING GOOD

A little color. A whole lot of possibility.

Selected text: #1F1F1F

Preview textText size 24px

CONTRAST RATIO16.48:1

AA · normal text: Pass
AA · large text: Pass
AAA · normal text: Pass

Normal text: AA 4.5:1, AAA 7:1. Large text: AA 3:1 (24px regular or about 19px bold).

Against white16.48:1

Against black1.27:1

Results use the exact pair, at full opacity. WCAG contrast guidance ↗

A color worth keeping? Save it above or share it.

COPY. PASTE. CREATE.

Color codes

HEX

#1f1f1f

RGB

rgb(31, 31, 31)

HSL

hsl(0, 0%, 12%)

OKLCH

oklch(0.2393 0 0)

CMYK

cmyk(0%, 0%, 0%, 88%)

CSS variable

--color-1f1f1f: #1f1f1f;

CMYK is an approximate reference; print output depends on the color profile. HSV and CMYK are not CSS color functions.

OKLCH

css

:root {
  --color1f1f1f-1: #1f1f1f;
}

Design systems

Nearest official tokens

An arbitrary HEX is not an official Tailwind, Material, or Bootstrap color. Distance is CIEDE2000.

Nearest Tailwind color

neutral-800

Noticeably different · ΔE 2.2 · #262626

Nearest CSS named color

Black

Very different · ΔE 7.09 · #000000

Nearest Material color

grey-900

Very similar · ΔE 0.63 · #212121

Nearest Bootstrap color

dark

Noticeably different · ΔE 3.63 · #212529

Using this color

Where #1f1f1f works

Sensible jobs for this swatch

body text, chrome, and dark-mode surfaces
text or icons on a white canvas

On a black or near-black UI, #1f1f1f is 1.27:1. Prefer it as a fill, border, or large heading rather than 16px copy.

Family context: Neutrality, balance, and modernity. Essential for UI chrome, typography, and systems. Common uses still include buttons, charts, and accents in the Grey range — always verify the pair for this exact hex in the contrast checker.

Similar & related colors

Nearby colors from the library by perceptual distance

Material Grey 900#212121 Tailwind neutral 800#262626 Tailwind neutral 900#171717 Tailwind stone 900#1C1917 Tailwind zinc 900#18181B Tailwind zinc 800#27272A Material You On Surface#1C1B1F Tailwind stone 800#292524 Bootstrap dark#212529 Tailwind stone 950#0C0A09 Tailwind neutral 950#0A0A0A Tailwind zinc 950#09090B