#1f2541

Color #1f2541

A muted very dark blue.

Closest named color Charcoal #36454f · ΔE 19.36 Nearest Tailwind class slate-800 #1d293d · ΔE 5.3

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Conversions

HEX

#1f2541

RGB

rgb(31, 37, 65)

HSL

hsl(229.4, 35.4%, 18.8%)

HSV / HSB

hsv(229.4, 52.3%, 25.5%)

CMYK

cmyk(52.3%, 43.1%, 0%, 74.5%)

LAB

lab(15.47, 6.44, -18.64)

LCH

lch(15.47, 19.72, 289.06)

OKLCH

oklch(27.4%, 0.0526, 273.27)

HWB

hwb(229.4, 12.2%, 74.5%)

Harmony colors

Complementary

#413b1f

Analogous

#1f3641

#1f2541

#2a1f41

Triadic

#1f2541

#411f25

#25411f

Split-complementary

#1f2541

#412a1f

#36411f

Tetradic

#1f2541

#3b1f41

#413b1f

#25411f

Square

#1f2541

#411f36

#413b1f

#1f412a

Shades

Color #1f2541 mixed toward black.

#1a1f36

#15192b

#0f1220

#0a0c16

#05060b

Tints

Color #1f2541 mixed toward white.

#354070

#4c5a9e

#7380bc

#a2aad2

#d0d5e9

Tones

Color #1f2541 mixed toward gray.

#22273e

#25293b

#272a38

#2a2c36

#2d2e33

Accessibility

Aa White text on this color

15.01:1

Aa Black text on this color

1.4:1

White text reads better on this background (15.01:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#22223c · ΔE 2.5

Deuteranopia

#21213a · ΔE 2.7

Tritanopia

#1f3736 · ΔE 20.1

Achromatopsia

#272727 · ΔE 14.2

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

Code

CSS

background-color: #1f2541;

Tailwind (arbitrary value)

bg-[#1f2541]

Related colors

Royal Blue #4169e1

Navy #000080

Lavender #e6e6fa

Blue #0000ff

Dark Blue #00008b

Ghost White #f8f8ff

Frequently asked questions

#1f2541 (#1f2541) is rgb(31, 37, 65) in RGB.

No, #1f2541 is not web-safe. The nearest web-safe colors are among its tones and shades below.

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 #1f2541, or check how it holds up for accessibility.

Generate a palette → Check contrast