#100c2d

Color #100c2d

A moderately saturated very dark blue.

Closest named color Black #000000 · ΔE 24.42 Nearest Tailwind class slate-900 #0f172b · ΔE 7

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Conversions

HEX

#100c2d

RGB

rgb(16, 12, 45)

HSL

hsl(247.3, 57.9%, 11.2%)

HSV / HSB

hsv(247.3, 73.3%, 17.6%)

CMYK

cmyk(64.4%, 73.3%, 0%, 82.4%)

LAB

lab(5.08, 11.63, -20.86)

LCH

lch(5.08, 23.88, 299.14)

OKLCH

oklch(18.4%, 0.0638, 283.69)

HWB

hwb(247.3, 4.7%, 82.4%)

Harmony colors

Complementary

#292d0c

Analogous

#0c192d

#100c2d

#210c2d

Triadic

#100c2d

#2d100c

#0c2d10

Split-complementary

#100c2d

#2d210c

#192d0c

Tetradic

#100c2d

#2d0c29

#292d0c

#0c2d10

Square

#100c2d

#2d0c19

#292d0c

#0c2d21

Shades

Color #100c2d mixed toward black.

#0d0a26

#0b081e

#080617

#05040f

#030208

Tints

Color #100c2d mixed toward white.

#251c69

#3a2ca4

#5c4ccf

#9288df

#c9c3ef

Tones

Color #100c2d mixed toward gray.

#120f2a

#141228

#161425

#181722

#1a1a1f

Accessibility

Aa White text on this color

18.88:1

Aa Black text on this color

1.11:1

White text reads better on this background (18.88:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#0e0e28 · ΔE 3.1

Deuteranopia

#0f0f26 · ΔE 4.3

Tritanopia

#102321 · ΔE 22.9

Achromatopsia

#111111 · ΔE 16.8

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

Code

CSS

background-color: #100c2d;

Tailwind (arbitrary value)

bg-[#100c2d]

Related colors

Slate Blue #6a5acd

Dark Slate Blue #483d8b

Medium Slate Blue #7b68ee

Navy #000080

Lavender #e6e6fa

Blue #0000ff

Frequently asked questions

#100c2d (#100c2d) is rgb(16, 12, 45) in RGB.

No, #100c2d 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 #100c2d, or check how it holds up for accessibility.

Generate a palette → Check contrast