#101f38

Color #101f38

A moderately saturated very dark blue.

Closest named color Charcoal #36454f · ΔE 20.55 Nearest Tailwind class slate-900 #0f172b · ΔE 3.4

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

Conversions

HEX

#101f38

RGB

rgb(16, 31, 56)

HSL

hsl(217.5, 55.6%, 14.1%)

HSV / HSB

hsv(217.5, 71.4%, 22%)

CMYK

cmyk(71.4%, 44.6%, 0%, 78%)

LAB

lab(11.79, 3.26, -18.18)

LCH

lch(11.79, 18.47, 280.17)

OKLCH

oklch(24.1%, 0.0524, 260.11)

HWB

hwb(217.5, 6.3%, 78%)

Harmony colors

Complementary

#382910

Analogous

#103338

#101f38

#151038

Triadic

#101f38

#38101f

#1f3810

Split-complementary

#101f38

#381510

#333810

Tetradic

#101f38

#291038

#382910

#1f3810

Square

#101f38

#381033

#382910

#103815

Shades

Color #101f38 mixed toward black.

#0d1a2f

#0b1525

#080f1c

#050a13

#030509

Tints

Color #101f38 mixed toward white.

#203e71

#305eaa

#5582ce

#8dacdf

#c6d5ef

Tones

Color #101f38 mixed toward gray.

#132035

#172131

#1a212e

#1d222b

#212327

Accessibility

Aa White text on this color

16.47:1

Aa Black text on this color

1.28:1

White text reads better on this background (16.47:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#181833 · ΔE 6.1

Deuteranopia

#171532 · ΔE 7.3

Tritanopia

#112f2e · ΔE 18.6

Achromatopsia

#1f1f1f · ΔE 13.2

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

Code

CSS

background-color: #101f38;

Tailwind (arbitrary value)

bg-[#101f38]

Related colors

Cornflower Blue #6495ed

Light Steel Blue #b0c4de

Royal Blue #4169e1

Light Slate Gray #778899

Slate Gray #708090

Dodger Blue #1e90ff

Frequently asked questions

#101f38 (#101f38) is rgb(16, 31, 56) in RGB.

No, #101f38 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.

Try it → Accessibility

Contrast Checker

Check the WCAG contrast ratio between any two colors, live, with AA/AAA pass-fail results.

Try it → Generators

Palette Generator

Generate complementary, analogous, triadic, split-complementary, tetradic, square, and monochromatic palettes from any base color.

Try it →

Build something with this color

Generate a full palette from #101f38, or check how it holds up for accessibility.

Generate a palette → Check contrast