#100b2f

Color #100b2f

A moderately saturated very dark blue.

Closest named color Black #000000 · ΔE 26.46 Nearest Tailwind class indigo-950 #1e1a4d · ΔE 6.5

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

Conversions

HEX

#100b2f

RGB

rgb(16, 11, 47)

HSL

hsl(248.3, 62.1%, 11.4%)

HSV / HSB

hsv(248.3, 76.6%, 18.4%)

CMYK

cmyk(66%, 76.6%, 0%, 81.6%)

LAB

lab(5.01, 13.07, -22.46)

LCH

lch(5.01, 25.99, 300.2)

OKLCH

oklch(18.3%, 0.0688, 283.61)

HWB

hwb(248.3, 4.3%, 81.6%)

Harmony colors

Complementary

#2a2f0b

Analogous

#0b182f

#100b2f

#220b2f

Triadic

#100b2f

#2f100b

#0b2f10

Split-complementary

#100b2f

#2f220b

#182f0b

Tetradic

#100b2f

#2f0b2a

#2a2f0b

#0b2f10

Square

#100b2f

#2f0b18

#2a2f0b

#0b2f22

Shades

Color #100b2f mixed toward black.

#0d0927

#0b071f

#080618

#050410

#030208

Tints

Color #100b2f mixed toward white.

#25196c

#3928a9

#5b48d4

#9285e2

#c8c2f1

Tones

Color #100b2f mixed toward gray.

#120e2c

#141129

#171426

#191723

#1b1a20

Accessibility

Aa White text on this color

18.9:1

Aa Black text on this color

1.11:1

White text reads better on this background (18.9:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#0e0e29 · ΔE 3.7

Deuteranopia

#0e0f28 · ΔE 4.5

Tritanopia

#102423 · ΔE 23.2

Achromatopsia

#111111 · ΔE 17.7

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

Code

CSS

background-color: #100b2f;

Tailwind (arbitrary value)

bg-[#100b2f]

Related colors

Slate Blue #6a5acd

Dark Slate Blue #483d8b

Medium Slate Blue #7b68ee

Navy #000080

Lavender #e6e6fa

Blue #0000ff

Frequently asked questions

#100b2f (#100b2f) is rgb(16, 11, 47) in RGB.

No, #100b2f 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 #100b2f, or check how it holds up for accessibility.

Generate a palette → Check contrast