#1b315a

Color #1b315a

A moderately saturated dark blue.

Closest named color Charcoal #36454f · ΔE 22.94 Nearest Tailwind class blue-950 #162456 · ΔE 4.7

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Conversions

HEX

#1b315a

RGB

rgb(27, 49, 90)

HSL

hsl(219, 53.8%, 22.9%)

HSV / HSB

hsv(219, 70%, 35.3%)

CMYK

cmyk(70%, 45.6%, 0%, 64.7%)

LAB

lab(20.7, 6.47, -27.26)

LCH

lch(20.7, 28.02, 283.35)

OKLCH

oklch(31.9%, 0.0785, 261.73)

HWB

hwb(219, 10.6%, 64.7%)

Harmony colors

Complementary

#5a441b

Analogous

#1b505a

#1b315a

#241b5a

Triadic

#1b315a

#5a1b31

#315a1b

Split-complementary

#1b315a

#5a241b

#505a1b

Tetradic

#1b315a

#441b5a

#5a441b

#315a1b

Square

#1b315a

#5a1b50

#5a441b

#1b5a24

Shades

Color #1b315a mixed toward black.

#16294b

#12213c

#0d182d

#09101e

#04080f

Tints

Color #1b315a mixed toward white.

#2a4c8c

#3968bf

#688dd2

#9ab3e1

#cdd9f0

Tones

Color #1b315a mixed toward gray.

#203355

#25344f

#2b364a

#303745

#353940

Accessibility

Aa White text on this color

12.86:1

Aa Black text on this color

1.63:1

White text reads better on this background (12.86:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#262652 · ΔE 6.3

Deuteranopia

#252350 · ΔE 7.1

Tritanopia

#1d4b4a · ΔE 23

Achromatopsia

#323232 · ΔE 17.5

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

Code

CSS

background-color: #1b315a;

Tailwind (arbitrary value)

bg-[#1b315a]

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

#1b315a (#1b315a) is rgb(27, 49, 90) in RGB.

No, #1b315a 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 #1b315a, or check how it holds up for accessibility.

Generate a palette → Check contrast