#1b3f4d

Color #1b3f4d

A moderately saturated dark cyan.

Closest named color Charcoal #36454f · ΔE 7.5 Nearest Tailwind class cyan-950 #053345 · ΔE 4.3

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Conversions

HEX

#1b3f4d

RGB

rgb(27, 63, 77)

HSL

hsl(196.8, 48.1%, 20.4%)

HSV / HSB

hsv(196.8, 64.9%, 30.2%)

CMYK

cmyk(64.9%, 18.2%, 0%, 69.8%)

LAB

lab(24.71, -8.06, -12.39)

LCH

lch(24.71, 14.78, 236.96)

OKLCH

oklch(34.8%, 0.0478, 226.19)

HWB

hwb(196.8, 10.6%, 69.8%)

Harmony colors

Complementary

#4d291b

Analogous

#1b4d42

#1b3f4d

#1b264d

Triadic

#1b3f4d

#4d1b3f

#3f4d1b

Split-complementary

#1b3f4d

#4d1b26

#4d421b

Tetradic

#1b3f4d

#291b4d

#4d291b

#3f4d1b

Square

#1b3f4d

#421b4d

#4d291b

#264d1b

Shades

Color #1b3f4d mixed toward black.

#163540

#122a33

#0d2027

#09151a

#040b0d

Tints

Color #1b3f4d mixed toward white.

#2d687f

#3e91b1

#69afca

#9bcadc

#cde4ed

Tones

Color #1b3f4d mixed toward gray.

#1f3d49

#233b45

#283a41

#2c383c

#303638

Accessibility

Aa White text on this color

11.26:1

Aa Black text on this color

1.86:1

White text reads better on this background (11.26:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#2e2f4a · ΔE 17.1

Deuteranopia

#2c2949 · ΔE 19.3

Tritanopia

#1e4747 · ΔE 8.9

Achromatopsia

#3b3b3b · ΔE 12.4

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

Code

CSS

background-color: #1b3f4d;

Tailwind (arbitrary value)

bg-[#1b3f4d]

Related colors

Sky Blue #87ceeb

Deep Sky Blue #00bfff

Light Blue #add8e6

Light Sky Blue #87cefa

Charcoal #36454f

Powder Blue #b0e0e6

Frequently asked questions

#1b3f4d (#1b3f4d) is rgb(27, 63, 77) in RGB.

No, #1b3f4d 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 #1b3f4d, or check how it holds up for accessibility.

Generate a palette → Check contrast