#1b335b

Color #1b335b

A moderately saturated dark blue.

Closest named color Charcoal #36454f · ΔE 21.88 Nearest Tailwind class blue-950 #162456 · ΔE 5.5

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Conversions

HEX

#1b335b

RGB

rgb(27, 51, 91)

HSL

hsl(217.5, 54.2%, 23.1%)

HSV / HSB

hsv(217.5, 70.3%, 35.7%)

CMYK

cmyk(70.3%, 44%, 0%, 64.3%)

LAB

lab(21.42, 5.44, -26.79)

LCH

lch(21.42, 27.34, 281.48)

OKLCH

oklch(32.4%, 0.0775, 260.04)

HWB

hwb(217.5, 10.6%, 64.3%)

Harmony colors

Complementary

#5b431b

Analogous

#1b535b

#1b335b

#231b5b

Triadic

#1b335b

#5b1b33

#335b1b

Split-complementary

#1b335b

#5b231b

#535b1b

Tetradic

#1b335b

#431b5b

#5b431b

#335b1b

Square

#1b335b

#5b1b53

#5b431b

#1b5b23

Shades

Color #1b335b mixed toward black.

#162a4c

#12223d

#0d192d

#09111e

#04080f

Tints

Color #1b335b mixed toward white.

#2a4f8d

#396bc0

#6890d2

#9ab5e1

#cddaf0

Tones

Color #1b335b mixed toward gray.

#203456

#263650

#2b374b

#303846

#363a40

Accessibility

Aa White text on this color

12.57:1

Aa Black text on this color

1.67:1

White text reads better on this background (12.57:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#272753 · ΔE 6.9

Deuteranopia

#262451 · ΔE 7.8

Tritanopia

#1d4d4b · ΔE 23.1

Achromatopsia

#333333 · ΔE 17.1

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

Code

CSS

background-color: #1b335b;

Tailwind (arbitrary value)

bg-[#1b335b]

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

#1b335b (#1b335b) is rgb(27, 51, 91) in RGB.

No, #1b335b 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 #1b335b, or check how it holds up for accessibility.

Generate a palette → Check contrast