#1f1f18

Color #1f1f18

A nearly neutral, gray-leaning very dark yellow.

Closest named color Black #000000 · ΔE 12.59 Nearest Tailwind class olive-900 #1d1d16 · ΔE 0.6

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Conversions

HEX

#1f1f18

RGB

rgb(31, 31, 24)

HSL

hsl(60, 12.7%, 10.8%)

HSV / HSB

hsv(60, 22.6%, 12.2%)

CMYK

cmyk(0%, 0%, 22.6%, 87.8%)

LAB

lab(11.53, -1.61, 4.8)

LCH

lch(11.53, 5.06, 108.54)

OKLCH

oklch(23.7%, 0.0129, 107.59)

HWB

hwb(60, 9.4%, 87.8%)

Harmony colors

Complementary

#18181f

Analogous

#1f1c18

#1f1f18

#1c1f18

Triadic

#1f1f18

#181f1f

#1f181f

Split-complementary

#1f1f18

#181c1f

#1c181f

Tetradic

#1f1f18

#181f18

#18181f

#1f181f

Square

#1f1f18

#181f1c

#18181f

#1f181c

Shades

Color #1f1f18 mixed toward black.

#1a1a14

#151510

#10100c

#0a0a08

#050504

Tints

Color #1f1f18 mixed toward white.

#4a4a39

#74745a

#9c9c7f

#bdbdaa

#deded4

Tones

Color #1f1f18 mixed toward gray.

#1e1e19

#1d1d1a

#1c1c1b

Accessibility

Aa White text on this color

16.57:1

Aa Black text on this color

1.27:1

White text reads better on this background (16.57:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#1f1f1a · ΔE 1.3

Deuteranopia

#1f1f1a · ΔE 1.3

Tritanopia

#1f1b1c · ΔE 7.1

Achromatopsia

#1f1f1f · ΔE 4.8

Left half is the original, right half is the simulated appearance. See all 8 vision types →

Code

CSS

background-color: #1f1f18;

Tailwind (arbitrary value)

bg-[#1f1f18]

Related colors

Ivory #fffff0

Beige #f5f5dc

Light Goldenrod Yellow #fafad2

Light Yellow #ffffe0

Olive #808000

Yellow #ffff00

Frequently asked questions

#1f1f18 (#1f1f18) is rgb(31, 31, 24) in RGB.

No, #1f1f18 is not web-safe. The nearest web-safe colors are among its tones and shades below.

Related tools

Colors

HEX to RGB Converter

Convert any HEX color code to its RGB and HSL equivalents, live, with copy-to-clipboard values.

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Contrast Checker

Check the WCAG contrast ratio between any two colors, live, with AA/AAA pass-fail results.

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Palette Generator

Generate complementary, analogous, triadic, split-complementary, tetradic, square, and monochromatic palettes from any base color.

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Build something with this color

Generate a full palette from #1f1f18, or check how it holds up for accessibility.

Generate a palette → Check contrast