#001f1f

Color #001f1f

A vivid, highly saturated very dark cyan.

Closest named color Black #000000 · ΔE 15.24 Nearest Tailwind class teal-950 #022f2e · ΔE 5.3

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Conversions

HEX

#001f1f

RGB

rgb(0, 31, 31)

HSL

hsl(180, 100%, 6.1%)

HSV / HSB

hsv(180, 100%, 12.2%)

CMYK

cmyk(100%, 0%, 0%, 87.8%)

LAB

lab(9.63, -11.32, -3.38)

LCH

lch(9.63, 11.81, 196.62)

OKLCH

oklch(21.7%, 0.037, 194.71)

HWB

hwb(180, 0%, 87.8%)

Harmony colors

Complementary

#1f0000

Analogous

#001f10

#001f1f

#00101f

Triadic

#001f1f

#1f001f

#1f1f00

Split-complementary

#001f1f

#1f0010

#1f1000

Tetradic

#001f1f

#00001f

#1f0000

#1f1f00

Square

#001f1f

#10001f

#1f0000

#101f00

Shades

Color #001f1f mixed toward black.

#001a1a

#001515

#001010

#000a0a

#000505

Tints

Color #001f1f mixed toward white.

#006f6f

#00bfbf

#10ffff

#5fffff

#afffff

Tones

Color #001f1f mixed toward gray.

#031d1d

#051a1a

#081717

#0a1515

#0d1212

Accessibility

Aa White text on this color

17.27:1

Aa Black text on this color

1.22:1

White text reads better on this background (17.27:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#12121f · ΔE 17.4

Deuteranopia

#100d1f · ΔE 19.7

Tritanopia

#021f1f · ΔE 0.5

Achromatopsia

#1b1b1b · ΔE 12.4

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

Code

CSS

background-color: #001f1f;

Tailwind (arbitrary value)

bg-[#001f1f]

Related colors

Aqua #00ffff

Azure #f0ffff

Dark Cyan #008b8b

Dark Slate Gray #2f4f4f

Light Cyan #e0ffff

Pale Turquoise #afeeee

Frequently asked questions

#001f1f (#001f1f) is rgb(0, 31, 31) in RGB.

No, #001f1f 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

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 #001f1f, or check how it holds up for accessibility.

Generate a palette → Check contrast