#155bbc

Color #155bbc

A vivid, highly saturated medium blue.

Closest named color Royal Blue #4169e1 · ΔE 14.88 Nearest Tailwind class sky-700 #0069a8 · ΔE 7.4

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

Conversions

HEX

#155bbc

RGB

rgb(21, 91, 188)

HSL

hsl(214.9, 79.9%, 41%)

HSV / HSB

hsv(214.9, 88.8%, 73.7%)

CMYK

cmyk(88.8%, 51.6%, 0%, 26.3%)

LAB

lab(40.03, 16.91, -56.71)

LCH

lch(40.03, 59.18, 286.6)

OKLCH

oklch(48.8%, 0.167, 258.39)

HWB

hwb(214.9, 8.2%, 26.3%)

Harmony colors

Complementary

#bc7615

Analogous

#15aebc

#155bbc

#2315bc

Triadic

#155bbc

#bc155b

#5bbc15

Split-complementary

#155bbc

#bc2315

#aebc15

Tetradic

#155bbc

#7615bc

#bc7615

#5bbc15

Square

#155bbc

#bc15ae

#bc7615

#15bc23

Shades

Color #155bbc mixed toward black.

#124c9d

#0e3d7d

#0b2d5e

#071e3f

#040f1f

Tints

Color #155bbc mixed toward white.

#1d71e6

#4b8eeb

#78aaf0

#a5c6f5

#d2e3fa

Tones

Color #155bbc mixed toward gray.

#235dae

#315fa0

#3f6292

#4d6484

#5b6676

Accessibility

Aa White text on this color

6.45:1

Aa Black text on this color

3.25:1

White text reads better on this background (6.45:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#3f3fab · ΔE 11.5

Deuteranopia

#3b36a6 · ΔE 13.8

Tritanopia

#1d9c98 · ΔE 36.3

Achromatopsia

#5e5e5e · ΔE 25.4

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

Code

CSS

background-color: #155bbc;

Tailwind (arbitrary value)

bg-[#155bbc]

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

#155bbc (#155bbc) is rgb(21, 91, 188) in RGB.

No, #155bbc 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 #155bbc, or check how it holds up for accessibility.

Generate a palette → Check contrast