#1b519b

Color #1b519b

A vivid, highly saturated dark blue.

Closest named color Dark Slate Blue #483d8b · ΔE 16.15 Nearest Tailwind class sky-800 #00598a · ΔE 6.3

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

Conversions

HEX

#1b519b

RGB

rgb(27, 81, 155)

HSL

hsl(214.7, 70.3%, 35.7%)

HSV / HSB

hsv(214.7, 82.6%, 60.8%)

CMYK

cmyk(82.6%, 47.7%, 0%, 39.2%)

LAB

lab(34.97, 10.78, -45.3)

LCH

lch(34.97, 46.56, 283.39)

OKLCH

oklch(44.3%, 0.1333, 257.57)

HWB

hwb(214.7, 10.6%, 39.2%)

Harmony colors

Complementary

#9b651b

Analogous

#1b919b

#1b519b

#251b9b

Triadic

#1b519b

#9b1b51

#519b1b

Split-complementary

#1b519b

#9b251b

#919b1b

Tetradic

#1b519b

#651b9b

#9b651b

#519b1b

Square

#1b519b

#9b1b91

#9b651b

#1b9b25

Shades

Color #1b519b mixed toward black.

#174481

#123667

#0e294e

#091b34

#050e1a

Tints

Color #1b519b mixed toward white.

#2369ca

#4586df

#73a4e7

#a2c2ef

#d0e1f7

Tones

Color #1b519b mixed toward gray.

#265390

#305486

#3b567b

#465870

#505966

Accessibility

Aa White text on this color

7.79:1

Aa Black text on this color

2.7:1

White text reads better on this background (7.79:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#3a3a8d · ΔE 10.6

Deuteranopia

#37328a · ΔE 12.6

Tritanopia

#20827f · ΔE 30.6

Achromatopsia

#525252 · ΔE 22.9

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

Code

CSS

background-color: #1b519b;

Tailwind (arbitrary value)

bg-[#1b519b]

Related colors

Light Steel Blue #b0c4de

Cornflower Blue #6495ed

Light Slate Gray #778899

Slate Gray #708090

Dodger Blue #1e90ff

Alice Blue #f0f8ff

Frequently asked questions

#1b519b (#1b519b) is rgb(27, 81, 155) in RGB.

No, #1b519b 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.

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 #1b519b, or check how it holds up for accessibility.

Generate a palette → Check contrast