What color is #2B1F31?

#2B1F31 is #2B1F31 (43, 31, 49 in RGB; hsl(280, 23%, 16%)). It sits in the purple family. Contrast is 15.64:1 on white and 1.34:1 on black.

Is #2B1F31 accessible for text?

Yes for normal text on white at 15.64:1 (WCAG AA). Still verify large and small text in a contrast checker before shipping.

How do I use #2B1F31 in CSS?

Use #2B1F31, color: #2b1f31;, or a custom property like --color-2b1f31: #2b1f31;. Nearest Tailwind-style token approximation: slate-900. Confirm contrast pairs against WCAG before production.

Color brief · Purple

#2B1F31 (#2B1F31) — practical notes

#2B1F31 (#2b1f31) sits in the purple family at about 280° hue, 23% saturation, and 16% lightness. Contrast is 15.64:1 on white and 1.34:1 on black, so white labels read more clearly on the swatch itself. Nearest Tailwind token: slate-900 (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, #2b1f31 is 1.34:1. 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#2B1F31

100% opacity · sRGB

YOUR NEXT GREAT ACCENT

#2B1F31

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

purple family Calculated from HEX

HEX#2B1F31

RGBrgb(43, 31, 49)

HSLhsl(280, 23%, 16%)

PUT IT INTO PRACTICE

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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: #2B1F31

Preview textText size 24px

CONTRAST RATIO15.64:1

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 white15.64:1

Against black1.34:1

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

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Color codes

HEX

#2b1f31

RGB

rgb(43, 31, 49)

HSL

hsl(280, 23%, 16%)

OKLCH

oklch(0.2618 0.0369 314.12)

CMYK

cmyk(12%, 37%, 0%, 81%)

CSS variable

--color-2b1f31: #2b1f31;

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

OKLCH

css

:root {
  --color2b1f31-1: #2b1f31;
}

Design systems

Nearest official tokens

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

Nearest Tailwind color

slate-900

Very different · ΔE 9.74 · #0F172A

Nearest CSS named color

Black

Very different · ΔE 15.29 · #000000

Nearest Material color

brown-900

Very different · ΔE 12.74 · #3E2723

Nearest Bootstrap color

dark

Very different · ΔE 13.03 · #212529

Using this color

Where #2b1f31 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, #2b1f31 is 1.34:1. Prefer it as a fill, border, or large heading rather than 16px copy.

Family context: Imagination, luxury, and wisdom. Frequently used for premium, creative, and tech brands. Common uses still include buttons, charts, and accents in the Purple range — always verify the pair for this exact hex in the contrast checker.

Similar & related colors

Nearby colors from the library by perceptual distance

Tailwind slate 900#0F172A Material You On Surface#1C1B1F Tailwind gray 900#111827 Tailwind zinc 800#27272A Tailwind indigo 950#1E1B4B Tailwind zinc 900#18181B Tailwind slate 950#020617 Tailwind slate 800#1E293B Tailwind stone 800#292524 Tailwind gray 800#1F2937 Web Safe #330033#330033 Material Brown 900#3E2723