#191f4b

Color #191f4b

A moderately saturated very dark blue.

Closest named color Dark Slate Blue #483d8b · ΔE 25.43 Nearest Tailwind class blue-950 #162456 · ΔE 2.7

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

Conversions

HEX

#191f4b

RGB

rgb(25, 31, 75)

HSL

hsl(232.8, 50%, 19.6%)

HSV / HSB

hsv(232.8, 66.7%, 29.4%)

CMYK

cmyk(66.7%, 58.7%, 0%, 70.6%)

LAB

lab(13.79, 13.21, -28.25)

LCH

lch(13.79, 31.19, 295.06)

OKLCH

oklch(26.2%, 0.0812, 273.6)

HWB

hwb(232.8, 9.8%, 70.6%)

Harmony colors

Complementary

#4b4519

Analogous

#19384b

#191f4b

#2c194b

Triadic

#191f4b

#4b191f

#1f4b19

Split-complementary

#191f4b

#4b2c19

#384b19

Tetradic

#191f4b

#45194b

#4b4519

#1f4b19

Square

#191f4b

#4b1938

#4b4519

#194b2c

Shades

Color #191f4b mixed toward black.

#151a3e

#111532

#0c0f25

#080a19

#04050c

Tints

Color #191f4b mixed toward white.

#2a347e

#3b49b1

#6572cc

#98a1dd

#ccd0ee

Tones

Color #191f4b mixed toward gray.

#1d2247

#212543

#25283e

#2a2c3a

#2e2f36

Accessibility

Aa White text on this color

15.68:1

Aa Black text on this color

1.34:1

White text reads better on this background (15.68:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#1c1c43 · ΔE 2.3

Deuteranopia

#1b1b41 · ΔE 2.6

Tritanopia

#193c3b · ΔE 24.8

Achromatopsia

#232323 · ΔE 19.2

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

Code

CSS

background-color: #191f4b;

Tailwind (arbitrary value)

bg-[#191f4b]

Related colors

Navy #000080

Lavender #e6e6fa

Blue #0000ff

Dark Blue #00008b

Ghost White #f8f8ff

Medium Blue #0000cd

Frequently asked questions

#191f4b (#191f4b) is rgb(25, 31, 75) in RGB.

No, #191f4b 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.

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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 #191f4b, or check how it holds up for accessibility.

Generate a palette → Check contrast