#1f1f15

Color #1f1f15

A muted very dark yellow.

Closest named color Black #000000 · ΔE 13.52 Nearest Tailwind class olive-900 #1d1d16 · ΔE 1.8

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Conversions

HEX

#1f1f15

RGB

rgb(31, 31, 21)

HSL

hsl(60, 19.2%, 10.2%)

HSV / HSB

hsv(60, 32.3%, 12.2%)

CMYK

cmyk(0%, 0%, 32.3%, 87.8%)

LAB

lab(11.45, -2.21, 6.84)

LCH

lch(11.45, 7.19, 107.91)

OKLCH

oklch(23.6%, 0.0182, 107.54)

HWB

hwb(60, 8.2%, 87.8%)

Harmony colors

Complementary

#15151f

Analogous

#1f1a15

#1f1f15

#1a1f15

Triadic

#1f1f15

#151f1f

#1f151f

Split-complementary

#1f1f15

#151a1f

#1a151f

Tetradic

#1f1f15

#151f15

#15151f

#1f151f

Square

#1f1f15

#151f1a

#15151f

#1f151a

Shades

Color #1f1f15 mixed toward black.

#1a1a12

#15150e

#10100b

#0a0a07

#050504

Tints

Color #1f1f15 mixed toward white.

#4c4c34

#7a7a53

#a2a277

#c1c1a4

#e0e0d2

Tones

Color #1f1f15 mixed toward gray.

#1e1e16

#1d1d17

#1d1d18

#1c1c18

#1b1b19

Accessibility

Aa White text on this color

16.6:1

Aa Black text on this color

1.27:1

White text reads better on this background (16.6:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#1f1f18 · ΔE 1.7

Deuteranopia

#1f1f18 · ΔE 1.7

Tritanopia

#1f1a1a · ΔE 8.6

Achromatopsia

#1e1e1e · ΔE 6.5

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

Code

CSS

background-color: #1f1f15;

Tailwind (arbitrary value)

bg-[#1f1f15]

Related colors

Ivory #fffff0

Beige #f5f5dc

Light Goldenrod Yellow #fafad2

Light Yellow #ffffe0

Olive #808000

Yellow #ffff00

Frequently asked questions

#1f1f15 (#1f1f15) is rgb(31, 31, 21) in RGB.

No, #1f1f15 is not one of the 216 web-safe colors — for that, every RGB channel would have to be a multiple of 51.

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

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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 #1f1f15, or check how it holds up for accessibility.

Generate a palette → Check contrast