#1d3544

Color #1d3544

A moderately saturated very dark blue.

Closest named color Charcoal #36454f · ΔE 8.65 Nearest Tailwind class cyan-950 #053345 · ΔE 3.4

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Conversions

HEX

#1d3544

RGB

rgb(29, 53, 68)

HSL

hsl(203.1, 40.2%, 19%)

HSV / HSB

hsv(203.1, 57.4%, 26.7%)

CMYK

cmyk(57.4%, 22.1%, 0%, 73.3%)

LAB

lab(20.92, -4.3, -12.2)

LCH

lch(20.92, 12.94, 250.58)

OKLCH

oklch(31.6%, 0.0403, 237.45)

HWB

hwb(203.1, 11.4%, 73.3%)

Harmony colors

Complementary

#442c1d

Analogous

#1d443f

#1d3544

#1d2144

Triadic

#1d3544

#441d35

#35441d

Split-complementary

#1d3544

#441d21

#443f1d

Tetradic

#1d3544

#2c1d44

#442c1d

#35441d

Square

#1d3544

#3f1d44

#442c1d

#21441d

Shades

Color #1d3544 mixed toward black.

#182c39

#13232d

#0e1a22

#0a1217

#05090b

Tints

Color #1d3544 mixed toward white.

#325b74

#4680a4

#6ea1c1

#9ec1d6

#cfe0ea

Tones

Color #1d3544 mixed toward gray.

#203441

#23333d

#27333a

#2a3237

#2d3134

Accessibility

Aa White text on this color

12.77:1

Aa Black text on this color

1.64:1

White text reads better on this background (12.77:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#292941 · ΔE 13.5

Deuteranopia

#282640 · ΔE 14.8

Tritanopia

#1f3e3d · ΔE 10.9

Achromatopsia

#323232 · ΔE 10.5

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

Code

CSS

background-color: #1d3544;

Tailwind (arbitrary value)

bg-[#1d3544]

Related colors

Light Sky Blue #87cefa

Charcoal #36454f

Steel Blue #4682b4

Alice Blue #f0f8ff

Sky Blue #87ceeb

Dodger Blue #1e90ff

Frequently asked questions

#1d3544 (#1d3544) is rgb(29, 53, 68) in RGB.

No, #1d3544 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 #1d3544, or check how it holds up for accessibility.

Generate a palette → Check contrast