#1f404a

Color #1f404a

A moderately saturated dark cyan.

Closest named color Charcoal #36454f · ΔE 6.68 Nearest Tailwind class cyan-950 #053345 · ΔE 5.8

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Conversions

HEX

#1f404a

RGB

rgb(31, 64, 74)

HSL

hsl(194, 41%, 20.6%)

HSV / HSB

hsv(194, 58.1%, 29%)

CMYK

cmyk(58.1%, 13.5%, 0%, 71%)

LAB

lab(25.11, -8.77, -9.79)

LCH

lch(25.11, 13.14, 228.15)

OKLCH

oklch(35.1%, 0.0423, 219.82)

HWB

hwb(194, 12.2%, 71%)

Harmony colors

Complementary

#4a291f

Analogous

#1f4a3f

#1f404a

#1f2a4a

Triadic

#1f404a

#4a1f40

#404a1f

Split-complementary

#1f404a

#4a1f2a

#4a3f1f

Tetradic

#1f404a

#291f4a

#4a291f

#404a1f

Square

#1f404a

#3f1f4a

#4a291f

#2a4a1f

Shades

Color #1f404a mixed toward black.

#1a353e

#152b31

#0f2025

#0a1519

#050b0c

Tints

Color #1f404a mixed toward white.

#33697a

#4792a9

#70b0c3

#a0cad7

#cfe5eb

Tones

Color #1f404a mixed toward gray.

#233e46

#263c43

#2a3a3f

#2d383c

#313638

Accessibility

Aa White text on this color

11.11:1

Aa Black text on this color

1.89:1

White text reads better on this background (11.11:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#303148 · ΔE 17.1

Deuteranopia

#2e2c47 · ΔE 19.4

Tritanopia

#214645 · ΔE 7

Achromatopsia

#3c3c3c · ΔE 12

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

Code

CSS

background-color: #1f404a;

Tailwind (arbitrary value)

bg-[#1f404a]

Related colors

Light Blue #add8e6

Deep Sky Blue #00bfff

Sky Blue #87ceeb

Powder Blue #b0e0e6

Light Sky Blue #87cefa

Charcoal #36454f

Frequently asked questions

#1f404a (#1f404a) is rgb(31, 64, 74) in RGB.

No, #1f404a 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 #1f404a, or check how it holds up for accessibility.

Generate a palette → Check contrast