#1f575e

Color #1f575e

A moderately saturated dark cyan.

Closest named color Dark Slate Gray #2f4f4f · ΔE 7.44 Nearest Tailwind class teal-900 #0b4f4a · ΔE 7.2

Open in Palette generator Color wheel Color mixer Contrast checker Blindness simulator Gradient

Conversions

HEX

#1f575e

RGB

rgb(31, 87, 94)

HSL

hsl(186.7, 50.4%, 24.5%)

HSV / HSB

hsv(186.7, 67%, 36.9%)

CMYK

cmyk(67%, 7.4%, 0%, 63.1%)

LAB

lab(33.81, -15.67, -9.48)

LCH

lch(33.81, 18.31, 211.17)

OKLCH

oklch(42.3%, 0.0586, 206.65)

HWB

hwb(186.7, 12.2%, 63.1%)

Harmony colors

Complementary

#5e261f

Analogous

#1f5e46

#1f575e

#1f375e

Triadic

#1f575e

#5e1f57

#575e1f

Split-complementary

#1f575e

#5e1f37

#5e461f

Tetradic

#1f575e

#261f5e

#5e261f

#575e1f

Square

#1f575e

#461f5e

#5e261f

#375e1f

Shades

Color #1f575e mixed toward black.

#1a484e

#153a3f

#0f2b2f

#0a1d1f

#050e10

Tints

Color #1f575e mixed toward white.

#2f848e

#3fb0be

#6ec4cf

#9ed8df

#cfebef

Tones

Color #1f575e mixed toward gray.

#245359

#294f53

#2f4b4e

#344749

#394344

Accessibility

Aa White text on this color

8.13:1

Aa Black text on this color

2.58:1

White text reads better on this background (8.13:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#3f3f5c · ΔE 23.3

Deuteranopia

#3b375c · ΔE 25.3

Tritanopia

#245b5b · ΔE 3.7

Achromatopsia

#4f4f4f · ΔE 16.1

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

Code

CSS

background-color: #1f575e;

Tailwind (arbitrary value)

bg-[#1f575e]

Related colors

Powder Blue #b0e0e6

Cadet Blue #5f9ea0

Dark Turquoise #00ced1

Aqua #00ffff

Azure #f0ffff

Dark Cyan #008b8b

Frequently asked questions

#1f575e (#1f575e) is rgb(31, 87, 94) in RGB.

No, #1f575e 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 #1f575e, or check how it holds up for accessibility.

Generate a palette → Check contrast