#1b335a

Color #1b335a

A moderately saturated dark blue.

Closest named color Charcoal #36454f · ΔE 21.26 Nearest Tailwind class blue-950 #162456 · ΔE 5.6

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Conversions

HEX

#1b335a

RGB

rgb(27, 51, 90)

HSL

hsl(217.1, 53.8%, 22.9%)

HSV / HSB

hsv(217.1, 70%, 35.3%)

CMYK

cmyk(70%, 43.3%, 0%, 64.7%)

LAB

lab(21.35, 5.04, -26.23)

LCH

lch(21.35, 26.71, 280.88)

OKLCH

oklch(32.4%, 0.0759, 259.68)

HWB

hwb(217.1, 10.6%, 64.7%)

Harmony colors

Complementary

#5a421b

Analogous

#1b525a

#1b335a

#221b5a

Triadic

#1b335a

#5a1b33

#335a1b

Split-complementary

#1b335a

#5a221b

#525a1b

Tetradic

#1b335a

#421b5a

#5a421b

#335a1b

Square

#1b335a

#5a1b52

#5a421b

#1b5a22

Shades

Color #1b335a mixed toward black.

#162a4b

#12223c

#0d192d

#09111e

#04080f

Tints

Color #1b335a mixed toward white.

#2a508c

#396cbf

#6890d2

#9ab5e1

#cddaf0

Tones

Color #1b335a mixed toward gray.

#203455

#25354f

#2b374a

#303845

#353940

Accessibility

Aa White text on this color

12.59:1

Aa Black text on this color

1.67:1

White text reads better on this background (12.59:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#272753 · ΔE 7

Deuteranopia

#262451 · ΔE 7.9

Tritanopia

#1d4c4a · ΔE 22.7

Achromatopsia

#333333 · ΔE 16.9

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

Code

CSS

background-color: #1b335a;

Tailwind (arbitrary value)

bg-[#1b335a]

Related colors

Cornflower Blue #6495ed

Light Steel Blue #b0c4de

Light Slate Gray #778899

Slate Gray #708090

Dodger Blue #1e90ff

Royal Blue #4169e1

Frequently asked questions

#1b335a (#1b335a) is rgb(27, 51, 90) in RGB.

No, #1b335a 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 #1b335a, or check how it holds up for accessibility.

Generate a palette → Check contrast