#100303

Color #100303

A moderately saturated very dark red.

Closest named color Black #000000 · ΔE 4.23 Nearest Tailwind class mauve-950 #0c090c · ΔE 3.8

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Conversions

HEX

#100303

RGB

rgb(16, 3, 3)

HSL

hsl(0, 68.4%, 3.7%)

HSV / HSB

hsv(0, 81.3%, 6.3%)

CMYK

cmyk(0%, 81.3%, 81.3%, 93.7%)

LAB

lab(1.64, 3.68, 1.3)

LCH

lch(1.64, 3.9, 19.46)

OKLCH

oklch(12.6%, 0.0294, 22.2)

HWB

hwb(0, 1.2%, 93.7%)

Harmony colors

Complementary

#031010

Analogous

#100309

#100303

#100903

Triadic

#100303

#031003

#030310

Split-complementary

#100303

#031009

#030910

Tetradic

#100303

#101003

#031010

#030310

Square

#100303

#091003

#031010

#090310

Shades

Color #100303 mixed toward black.

#0d0202

#0b0202

#080101

#050101

#030000

Tints

Color #100303 mixed toward white.

#551010

#9a1d1d

#d83030

#e57575

#f2baba

Tones

Color #100303 mixed toward gray.

#0f0404

#0e0505

#0d0606

#0c0707

#0b0808

Accessibility

Aa White text on this color

20.26:1

Aa Black text on this color

1.04:1

White text reads better on this background (20.26:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#0b0b03 · ΔE 7.1

Deuteranopia

#0c0d03 · ΔE 8.2

Tritanopia

#0f0303 · ΔE 0.4

Achromatopsia

#060606 · ΔE 5

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

Code

CSS

background-color: #100303;

Tailwind (arbitrary value)

bg-[#100303]

Related colors

Red #ff0000

Maroon #800000

Black #000000

Brown #a52a2a

Dark Gray #a9a9a9

Dark Red #8b0000

Frequently asked questions

#100303 (#100303) is rgb(16, 3, 3) in RGB.

No, #100303 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 #100303, or check how it holds up for accessibility.

Generate a palette → Check contrast