#1d3f4f

Color #1d3f4f

A moderately saturated dark cyan.

Closest named color Charcoal #36454f · ΔE 7.44 Nearest Tailwind class cyan-950 #053345 · ΔE 4.1

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Conversions

HEX

#1d3f4f

RGB

rgb(29, 63, 79)

HSL

hsl(199.2, 46.3%, 21.2%)

HSV / HSB

hsv(199.2, 63.3%, 31%)

CMYK

cmyk(63.3%, 20.3%, 0%, 69%)

LAB

lab(24.89, -6.88, -13.43)

LCH

lch(24.89, 15.09, 242.87)

OKLCH

oklch(35%, 0.0483, 230.71)

HWB

hwb(199.2, 11.4%, 69%)

Harmony colors

Complementary

#4f2d1d

Analogous

#1d4f46

#1d3f4f

#1d264f

Triadic

#1d3f4f

#4f1d3f

#3f4f1d

Split-complementary

#1d3f4f

#4f1d26

#4f461d

Tetradic

#1d3f4f

#2d1d4f

#4f2d1d

#3f4f1d

Square

#1d3f4f

#461d4f

#4f2d1d

#264f1d

Shades

Color #1d3f4f mixed toward black.

#183542

#132a35

#0f2028

#0a151a

#050b0d

Tints

Color #1d3f4f mixed toward white.

#2f6680

#418db1

#6cabc9

#9dc7db

#cee3ed

Tones

Color #1d3f4f mixed toward gray.

#213e4b

#253c47

#2a3b43

#2e393e

#32383a

Accessibility

Aa White text on this color

11.19:1

Aa Black text on this color

1.88:1

White text reads better on this background (11.19:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#2f2f4b · ΔE 16.5

Deuteranopia

#2d2a4b · ΔE 18.1

Tritanopia

#204948 · ΔE 10.8

Achromatopsia

#3b3b3b · ΔE 12.2

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

Code

CSS

background-color: #1d3f4f;

Tailwind (arbitrary value)

bg-[#1d3f4f]

Related colors

Sky Blue #87ceeb

Light Sky Blue #87cefa

Deep Sky Blue #00bfff

Light Blue #add8e6

Charcoal #36454f

Steel Blue #4682b4

Frequently asked questions

#1d3f4f (#1d3f4f) is rgb(29, 63, 79) in RGB.

No, #1d3f4f 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 #1d3f4f, or check how it holds up for accessibility.

Generate a palette → Check contrast