#101540

Color #101540

A moderately saturated very dark blue.

Closest named color Dark Slate Blue #483d8b · ΔE 28.27 Nearest Tailwind class indigo-950 #1e1a4d · ΔE 3.2

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

Conversions

HEX

#101540

RGB

rgb(16, 21, 64)

HSL

hsl(233.8, 60%, 15.7%)

HSV / HSB

hsv(233.8, 75%, 25.1%)

CMYK

cmyk(75%, 67.2%, 0%, 74.9%)

LAB

lab(9.13, 14.46, -28.16)

LCH

lch(9.13, 31.66, 297.18)

OKLCH

oklch(22.2%, 0.0812, 272.82)

HWB

hwb(233.8, 6.3%, 74.9%)

Harmony colors

Complementary

#403b10

Analogous

#102d40

#101540

#231040

Triadic

#101540

#401015

#154010

Split-complementary

#101540

#402310

#2d4010

Tetradic

#101540

#3b1040

#403b10

#154010

Square

#101540

#40102d

#403b10

#104023

Shades

Color #101540 mixed toward black.

#0d1135

#0b0e2b

#080a20

#050715

#03030b

Tints

Color #101540 mixed toward white.

#1e2879

#2d3bb3

#5360d4

#8c95e2

#c6caf1

Tones

Color #101540 mixed toward gray.

#14183c

#181b38

#1c1f34

#202230

#24252c

Accessibility

Aa White text on this color

17.45:1

Aa Black text on this color

1.2:1

White text reads better on this background (17.45:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#121239 · ΔE 1.9

Deuteranopia

#121237 · ΔE 2.3

Tritanopia

#103231 · ΔE 25.1

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: #101540;

Tailwind (arbitrary value)

bg-[#101540]

Related colors

Navy #000080

Lavender #e6e6fa

Blue #0000ff

Dark Blue #00008b

Ghost White #f8f8ff

Medium Blue #0000cd

Frequently asked questions

#101540 (#101540) is rgb(16, 21, 64) in RGB.

No, #101540 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 #101540, or check how it holds up for accessibility.

Generate a palette → Check contrast