#1f123a

Color #1f123a

A moderately saturated very dark blue.

Closest named color Dark Slate Blue #483d8b · ΔE 29.56 Nearest Tailwind class indigo-950 #1e1a4d · ΔE 4.8

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Conversions

HEX

#1f123a

RGB

rgb(31, 18, 58)

HSL

hsl(259.5, 52.6%, 14.9%)

HSV / HSB

hsv(259.5, 69%, 22.7%)

CMYK

cmyk(46.6%, 69%, 0%, 77.3%)

LAB

lab(9.23, 17.89, -23.63)

LCH

lch(9.23, 29.64, 307.13)

OKLCH

oklch(22.5%, 0.0741, 294.73)

HWB

hwb(259.5, 7.1%, 77.3%)

Harmony colors

Complementary

#2d3a12

Analogous

#12193a

#1f123a

#33123a

Triadic

#1f123a

#3a1f12

#123a1f

Split-complementary

#1f123a

#3a3312

#193a12

Tetradic

#1f123a

#3a122d

#2d3a12

#123a1f

Square

#1f123a

#3a1219

#2d3a12

#123a33

Shades

Color #1f123a mixed toward black.

#1a0f30

#150c27

#10091d

#0a0613

#05030a

Tints

Color #1f123a mixed toward white.

#3d2371

#5a34a8

#7f59cc

#a991dd

#d4c8ee

Tones

Color #1f123a mixed toward gray.

#201537

#211933

#221c30

#241f2d

#252329

Accessibility

Aa White text on this color

17.41:1

Aa Black text on this color

1.21:1

White text reads better on this background (17.41:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#1a1a33 · ΔE 6.7

Deuteranopia

#1b1c32 · ΔE 8.2

Tritanopia

#1e2d2c · ΔE 23.3

Achromatopsia

#1a1a1a · ΔE 19.5

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

Code

CSS

background-color: #1f123a;

Tailwind (arbitrary value)

bg-[#1f123a]

Related colors

Medium Purple #9370db

Rebecca Purple #663399

Dark Slate Blue #483d8b

Medium Slate Blue #7b68ee

Slate Blue #6a5acd

Blue Violet #8a2be2

Frequently asked questions

#1f123a (#1f123a) is rgb(31, 18, 58) in RGB.

No, #1f123a 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 #1f123a, or check how it holds up for accessibility.

Generate a palette → Check contrast