#1b192e

Color #1b192e

A muted very dark blue.

Closest named color Black #000000 · ΔE 18.5 Nearest Tailwind class slate-900 #0f172b · ΔE 4.6

Open in Palette generator Color wheel Color mixer Contrast checker Blindness simulator Gradient

Conversions

HEX

#1b192e

RGB

rgb(27, 25, 46)

HSL

hsl(245.7, 29.6%, 13.9%)

HSV / HSB

hsv(245.7, 45.7%, 18%)

CMYK

cmyk(41.3%, 45.7%, 0%, 82%)

LAB

lab(10, 7.3, -13.74)

LCH

lch(10, 15.56, 297.98)

OKLCH

oklch(22.7%, 0.0403, 287.04)

HWB

hwb(245.7, 9.8%, 82%)

Harmony colors

Complementary

#2c2e19

Analogous

#19212e

#1b192e

#25192e

Triadic

#1b192e

#2e1b19

#192e1b

Split-complementary

#1b192e

#2e2519

#212e19

Tetradic

#1b192e

#2e192c

#2c2e19

#192e1b

Square

#1b192e

#2e1921

#2c2e19

#192e25

Shades

Color #1b192e mixed toward black.

#161526

#12111f

#0d0c17

#09080f

#040408

Tints

Color #1b192e mixed toward white.

#37335d

#534c8d

#7771b2

#a4a0cb

#d2d0e5

Tones

Color #1b192e mixed toward gray.

#1c1b2c

#1e1c2a

#1f1e29

#212027

#222225

Accessibility

Aa White text on this color

17.14:1

Aa Black text on this color

1.23:1

White text reads better on this background (17.14:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#1a1a2a · ΔE 2.8

Deuteranopia

#1a1a29 · ΔE 3.3

Tritanopia

#1b2626 · ΔE 16.6

Achromatopsia

#1b1b1b · ΔE 12.6

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

Code

CSS

background-color: #1b192e;

Tailwind (arbitrary value)

bg-[#1b192e]

Related colors

Slate Blue #6a5acd

Dark Slate Blue #483d8b

Medium Slate Blue #7b68ee

Navy #000080

Lavender #e6e6fa

Blue #0000ff

Frequently asked questions

#1b192e (#1b192e) is rgb(27, 25, 46) in RGB.

No, #1b192e is not one of the 216 web-safe colors — for that, every RGB channel would have to be a multiple of 51.

Related tools

Colors

HEX to RGB Converter

Convert any HEX color code to its RGB and HSL equivalents, live, with copy-to-clipboard values.

Try it → Accessibility

Contrast Checker

Check the WCAG contrast ratio between any two colors, live, with AA/AAA pass-fail results.

Try it → Generators

Palette Generator

Generate complementary, analogous, triadic, split-complementary, tetradic, square, and monochromatic palettes from any base color.

Try it →

Build something with this color

Generate a full palette from #1b192e, or check how it holds up for accessibility.

Generate a palette → Check contrast