#1b5bc2

Color #1b5bc2

A vivid, highly saturated medium blue.

Closest named color Royal Blue #4169e1 · ΔE 11.45 Nearest Tailwind class blue-600 #155dfc · ΔE 7.6

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

Conversions

HEX

#1b5bc2

RGB

rgb(27, 91, 194)

HSL

hsl(217, 75.6%, 43.3%)

HSV / HSB

hsv(217, 86.1%, 76.1%)

CMYK

cmyk(86.1%, 53.1%, 0%, 23.9%)

LAB

lab(40.59, 19.69, -59.3)

LCH

lch(40.59, 62.48, 288.37)

OKLCH

oklch(49.4%, 0.1738, 259.96)

HWB

hwb(217, 10.6%, 23.9%)

Harmony colors

Complementary

#c2821b

Analogous

#1baec2

#1b5bc2

#2e1bc2

Triadic

#1b5bc2

#c21b5b

#5bc21b

Split-complementary

#1b5bc2

#c22e1b

#aec21b

Tetradic

#1b5bc2

#821bc2

#c2821b

#5bc21b

Square

#1b5bc2

#c21bae

#c2821b

#1bc22e

Shades

Color #1b5bc2 mixed toward black.

#164ca2

#123d81

#0d2d61

#091e41

#040f20

Tints

Color #1b5bc2 mixed toward white.

#2b71e2

#568ee7

#80aaed

#aac6f3

#d5e3f9

Tones

Color #1b5bc2 mixed toward gray.

#295eb4

#3761a6

#456598

#53688a

#616b7c

Accessibility

Aa White text on this color

6.32:1

Aa Black text on this color

3.32:1

White text reads better on this background (6.32:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#4041b0 · ΔE 10.5

Deuteranopia

#3d38ab · ΔE 12.8

Tritanopia

#22a09c · ΔE 37.5

Achromatopsia

#606060 · ΔE 26

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

Code

CSS

background-color: #1b5bc2;

Tailwind (arbitrary value)

bg-[#1b5bc2]

Related colors

Cornflower Blue #6495ed

Light Steel Blue #b0c4de

Light Slate Gray #778899

Slate Gray #708090

Dodger Blue #1e90ff

Royal Blue #4169e1

Frequently asked questions

#1b5bc2 (#1b5bc2) is rgb(27, 91, 194) in RGB.

No, #1b5bc2 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 #1b5bc2, or check how it holds up for accessibility.

Generate a palette → Check contrast