#100728

Color #100728

A vivid, highly saturated very dark blue.

Closest named color Black #000000 · ΔE 22.61 Nearest Tailwind class slate-900 #0f172b · ΔE 7.3

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Conversions

HEX

#100728

RGB

rgb(16, 7, 40)

HSL

hsl(256.4, 70.2%, 9.2%)

HSV / HSB

hsv(256.4, 82.5%, 15.7%)

CMYK

cmyk(60%, 82.5%, 0%, 84.3%)

LAB

lab(3.75, 11.38, -19.17)

LCH

lch(3.75, 22.29, 300.69)

OKLCH

oklch(16.8%, 0.0645, 290.6)

HWB

hwb(256.4, 2.7%, 84.3%)

Harmony colors

Complementary

#1f2807

Analogous

#070e28

#100728

#200728

Triadic

#100728

#281007

#072810

Split-complementary

#100728

#282007

#0e2807

Tetradic

#100728

#28071f

#1f2807

#072810

Square

#100728

#28070e

#1f2807

#072820

Shades

Color #100728 mixed toward black.

#0d0621

#0b051b

#080314

#05020d

#030107

Tints

Color #100728 mixed toward white.

#2a126a

#451eab

#663add

#997ce8

#ccbdf4

Tones

Color #100728 mixed toward gray.

#110a25

#120c22

#140f20

#15121d

#16151a

Accessibility

Aa White text on this color

19.39:1

Aa Black text on this color

1.08:1

White text reads better on this background (19.39:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#0d0c23 · ΔE 4.4

Deuteranopia

#0d0e21 · ΔE 6.3

Tritanopia

#101e1d · ΔE 21.2

Achromatopsia

#0d0d0d · ΔE 16.2

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

Code

CSS

background-color: #100728;

Tailwind (arbitrary value)

bg-[#100728]

Related colors

Medium Purple #9370db

Dark Slate Blue #483d8b

Medium Slate Blue #7b68ee

Slate Blue #6a5acd

Rebecca Purple #663399

Blue Violet #8a2be2

Frequently asked questions

#100728 (#100728) is rgb(16, 7, 40) in RGB.

No, #100728 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 #100728, or check how it holds up for accessibility.

Generate a palette → Check contrast