#101a2b

Color #101a2b

A moderately saturated very dark blue.

Closest named color Black #000000 · ΔE 15.91 Nearest Tailwind class gray-900 #101828 · ΔE 0.9

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Conversions

HEX

#101a2b

RGB

rgb(16, 26, 43)

HSL

hsl(217.8, 45.8%, 11.6%)

HSV / HSB

hsv(217.8, 62.8%, 16.9%)

CMYK

cmyk(62.8%, 39.5%, 0%, 83.1%)

LAB

lab(9.18, 1.7, -12.88)

LCH

lch(9.18, 12.99, 277.52)

OKLCH

oklch(21.8%, 0.0367, 260.59)

HWB

hwb(217.8, 6.3%, 83.1%)

Harmony colors

Complementary

#2b2110

Analogous

#10282b

#101a2b

#14102b

Triadic

#101a2b

#2b101a

#1a2b10

Split-complementary

#101a2b

#2b1410

#282b10

Tetradic

#101a2b

#21102b

#2b2110

#1a2b10

Square

#101a2b

#2b1028

#2b2110

#102b14

Shades

Color #101a2b mixed toward black.

#0d1624

#0b111d

#080d16

#05090e

#030407

Tints

Color #101a2b mixed toward white.

#243b62

#395c99

#5b81c2

#91abd6

#c8d5eb

Tones

Color #101a2b mixed toward gray.

#121b29

#151b27

#171c24

#191c22

#1b1d20

Accessibility

Aa White text on this color

17.43:1

Aa Black text on this color

1.2:1

White text reads better on this background (17.43:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#151528 · ΔE 5.5

Deuteranopia

#141327 · ΔE 6.2

Tritanopia

#112524 · ΔE 14.4

Achromatopsia

#1a1a1a · ΔE 10.1

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

Code

CSS

background-color: #101a2b;

Tailwind (arbitrary value)

bg-[#101a2b]

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

#101a2b (#101a2b) is rgb(16, 26, 43) in RGB.

No, #101a2b 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 #101a2b, or check how it holds up for accessibility.

Generate a palette → Check contrast