#1b1943

Color #1b1943

A moderately saturated very dark blue.

Closest named color Dark Slate Blue #483d8b · ΔE 27.23 Nearest Tailwind class indigo-950 #1e1a4d · ΔE 2.4

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Conversions

HEX

#1b1943

RGB

rgb(27, 25, 67)

HSL

hsl(242.9, 45.7%, 18%)

HSV / HSB

hsv(242.9, 62.7%, 26.3%)

CMYK

cmyk(59.7%, 62.7%, 0%, 73.7%)

LAB

lab(11.51, 15.02, -26.38)

LCH

lch(11.51, 30.36, 299.66)

OKLCH

oklch(24.3%, 0.077, 281.16)

HWB

hwb(242.9, 9.8%, 73.7%)

Harmony colors

Complementary

#414319

Analogous

#192c43

#1b1943

#301943

Triadic

#1b1943

#431b19

#19431b

Split-complementary

#1b1943

#433019

#2c4319

Tetradic

#1b1943

#431941

#414319

#19431b

Square

#1b1943

#43192c

#414319

#194330

Shades

Color #1b1943 mixed toward black.

#161538

#12112d

#0d0c21

#090816

#04040b

Tints

Color #1b1943 mixed toward white.

#2f2c76

#443fa8

#6b67c6

#9d99d9

#ceccec

Tones

Color #1b1943 mixed toward gray.

#1e1c3f

#21203c

#242338

#282735

#2b2a31

Accessibility

Aa White text on this color

16.58:1

Aa Black text on this color

1.27:1

White text reads better on this background (16.58:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#1a1a3c · ΔE 2.5

Deuteranopia

#1a1a3a · ΔE 3.2

Tritanopia

#1b3534 · ΔE 24.4

Achromatopsia

#1e1e1e · ΔE 19.2

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

Code

CSS

background-color: #1b1943;

Tailwind (arbitrary value)

bg-[#1b1943]

Related colors

Navy #000080

Lavender #e6e6fa

Blue #0000ff

Dark Blue #00008b

Ghost White #f8f8ff

Medium Blue #0000cd

Frequently asked questions

#1b1943 (#1b1943) is rgb(27, 25, 67) in RGB.

No, #1b1943 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 #1b1943, or check how it holds up for accessibility.

Generate a palette → Check contrast