#100c25

Color #100c25

A moderately saturated very dark blue.

Closest named color Black #000000 · ΔE 18.14 Nearest Tailwind class slate-900 #0f172b · ΔE 5.1

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Conversions

HEX

#100c25

RGB

rgb(16, 12, 37)

HSL

hsl(249.6, 51%, 9.6%)

HSV / HSB

hsv(249.6, 67.6%, 14.5%)

CMYK

cmyk(56.8%, 67.6%, 0%, 85.5%)

LAB

lab(4.58, 8.09, -15.58)

LCH

lch(4.58, 17.56, 297.44)

OKLCH

oklch(17.6%, 0.0498, 287.53)

HWB

hwb(249.6, 4.7%, 85.5%)

Harmony colors

Complementary

#21250c

Analogous

#0c1425

#100c25

#1c0c25

Triadic

#100c25

#25100c

#0c2510

Split-complementary

#100c25

#251c0c

#14250c

Tetradic

#100c25

#250c21

#21250c

#0c2510

Square

#100c25

#250c14

#21250c

#0c251c

Shades

Color #100c25 mixed toward black.

#0d0a1f

#0b0819

#080612

#05040c

#030206

Tints

Color #100c25 mixed toward white.

#291f5f

#423299

#6451c7

#988bd9

#cbc5ec

Tones

Color #100c25 mixed toward gray.

#110e23

#131021

#14121f

#16141d

#17161b

Accessibility

Aa White text on this color

19.07:1

Aa Black text on this color

1.1:1

White text reads better on this background (19.07:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#0e0e21 · ΔE 3.3

Deuteranopia

#0f0f1f · ΔE 4.6

Tritanopia

#101d1c · ΔE 18.6

Achromatopsia

#101010 · ΔE 13.6

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

Code

CSS

background-color: #100c25;

Tailwind (arbitrary value)

bg-[#100c25]

Related colors

Dark Slate Blue #483d8b

Medium Slate Blue #7b68ee

Slate Blue #6a5acd

Navy #000080

Lavender #e6e6fa

Blue #0000ff

Frequently asked questions

#100c25 (#100c25) is rgb(16, 12, 37) in RGB.

No, #100c25 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 #100c25, or check how it holds up for accessibility.

Generate a palette → Check contrast