#1f293b

Color #1f293b

A muted very dark blue.

Closest named color Charcoal #36454f · ΔE 13.72 Nearest Tailwind class slate-800 #1d293d · ΔE 0.9

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

Conversions

HEX

#1f293b

RGB

rgb(31, 41, 59)

HSL

hsl(218.6, 31.1%, 17.6%)

HSV / HSB

hsv(218.6, 47.5%, 23.1%)

CMYK

cmyk(47.5%, 30.5%, 0%, 76.9%)

LAB

lab(16.47, 1.4, -12.9)

LCH

lch(16.47, 12.98, 276.19)

OKLCH

oklch(28%, 0.0363, 261.91)

HWB

hwb(218.6, 12.2%, 76.9%)

Harmony colors

Complementary

#3b311f

Analogous

#1f373b

#1f293b

#231f3b

Triadic

#1f293b

#3b1f29

#293b1f

Split-complementary

#1f293b

#3b231f

#373b1f

Tetradic

#1f293b

#311f3b

#3b311f

#293b1f

Square

#1f293b

#3b1f37

#3b311f

#1f3b23

Shades

Color #1f293b mixed toward black.

#1a2231

#151b27

#0f141d

#0a0e14

#05070a

Tints

Color #1f293b mixed toward white.

#374969

#4f6997

#758db7

#a3b3cf

#d1d9e7

Tones

Color #1f293b mixed toward gray.

#212a39

#242a36

#262b34

#282c32

#2b2c2f

Accessibility

Aa White text on this color

14.6:1

Aa Black text on this color

1.44:1

White text reads better on this background (14.6:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#242437 · ΔE 5.3

Deuteranopia

#232236 · ΔE 6.2

Tritanopia

#203433 · ΔE 14.1

Achromatopsia

#292929 · ΔE 10.1

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

Code

CSS

background-color: #1f293b;

Tailwind (arbitrary value)

bg-[#1f293b]

Related colors

Cornflower Blue #6495ed

Light Steel Blue #b0c4de

Royal Blue #4169e1

Light Slate Gray #778899

Slate Gray #708090

Dodger Blue #1e90ff

Frequently asked questions

#1f293b (#1f293b) is rgb(31, 41, 59) in RGB.

No, #1f293b 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.

Try it → Accessibility

Contrast Checker

Check the WCAG contrast ratio between any two colors, live, with AA/AAA pass-fail results.

Try it → Generators

Palette Generator

Generate complementary, analogous, triadic, split-complementary, tetradic, square, and monochromatic palettes from any base color.

Try it →

Build something with this color

Generate a full palette from #1f293b, or check how it holds up for accessibility.

Generate a palette → Check contrast