#1f1f11

Color #1f1f11

A muted very dark yellow.

Closest named color Black #000000 · ΔE 14.94 Nearest Tailwind class olive-900 #1d1d16 · ΔE 3.6

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Conversions

HEX

#1f1f11

RGB

rgb(31, 31, 17)

HSL

hsl(60, 29.2%, 9.4%)

HSV / HSB

hsv(60, 45.2%, 12.2%)

CMYK

cmyk(0%, 0%, 45.2%, 87.8%)

LAB

lab(11.36, -2.93, 9.25)

LCH

lch(11.36, 9.7, 107.58)

OKLCH

oklch(23.5%, 0.025, 108.22)

HWB

hwb(60, 6.7%, 87.8%)

Harmony colors

Complementary

#11111f

Analogous

#1f1811

#1f1f11

#181f11

Triadic

#1f1f11

#111f1f

#1f111f

Split-complementary

#1f1f11

#11181f

#18111f

Tetradic

#1f1f11

#111f11

#11111f

#1f111f

Square

#1f1f11

#111f18

#11111f

#1f1118

Shades

Color #1f1f11 mixed toward black.

#1a1a0e

#15150b

#0f0f08

#0a0a06

#050503

Tints

Color #1f1f11 mixed toward white.

#51512c

#828247

#adad6a

#c8c89c

#e4e4cd

Tones

Color #1f1f11 mixed toward gray.

#1e1e12

#1d1d13

#1b1b14

#1a1a16

#191917

Accessibility

Aa White text on this color

16.64:1

Aa Black text on this color

1.26:1

White text reads better on this background (16.64:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#1f1f15 · ΔE 1.9

Deuteranopia

#1f1f16 · ΔE 2.4

Tritanopia

#1f1819 · ΔE 12.1

Achromatopsia

#1e1e1e · ΔE 8.3

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

Code

CSS

background-color: #1f1f11;

Tailwind (arbitrary value)

bg-[#1f1f11]

Related colors

Ivory #fffff0

Beige #f5f5dc

Light Goldenrod Yellow #fafad2

Light Yellow #ffffe0

Olive #808000

Yellow #ffff00

Frequently asked questions

#1f1f11 (#1f1f11) is rgb(31, 31, 17) in RGB.

No, #1f1f11 is not web-safe. The nearest web-safe colors are among its tones and shades below.

Related tools

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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

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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 #1f1f11, or check how it holds up for accessibility.

Generate a palette → Check contrast