#133aff

Color #133aff

A vivid, highly saturated medium blue.

Closest named color Medium Blue #0000cd · ΔE 15.85 Nearest Tailwind class indigo-600 #4f39f6 · ΔE 3.3

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

Conversions

HEX

#133aff

RGB

rgb(19, 58, 255)

HSL

hsl(230.1, 100%, 53.7%)

HSV / HSB

hsv(230.1, 92.5%, 100%)

CMYK

cmyk(92.5%, 77.3%, 0%, 0%)

LAB

lab(38.52, 61.53, -97.48)

LCH

lch(38.52, 115.27, 302.26)

OKLCH

oklch(49.6%, 0.2837, 265.13)

HWB

hwb(230.1, 7.5%, 0%)

Harmony colors

Complementary

#ffd813

Analogous

#13b0ff

#133aff

#6213ff

Triadic

#133aff

#ff133a

#3aff13

Split-complementary

#133aff

#ff6213

#b0ff13

Tetradic

#133aff

#d813ff

#ffd813

#3aff13

Square

#133aff

#ff13b0

#ffd813

#13ff62

Shades

Color #133aff mixed toward black.

#0026e4

#001eb7

#001789

#000f5b

#00082e

Tints

Color #133aff mixed toward white.

#3a5bff

#627cff

#899cff

#b0bdff

#d8deff

Tones

Color #133aff mixed toward gray.

#2747eb

#3a54d8

#4e61c4

#626fb0

#757c9d

Accessibility

Aa White text on this color

6.83:1

Aa Black text on this color

3.08:1

White text reads better on this background (6.83:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#2929e3 · ΔE 5.2

Deuteranopia

#2724dc · ΔE 6.5

Tritanopia

#17c9c3 · ΔE 52.2

Achromatopsia

#5b5b5b · ΔE 32.1

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

Code

CSS

background-color: #133aff;

Tailwind (arbitrary value)

bg-[#133aff]

Related colors

Royal Blue #4169e1

Navy #000080

Lavender #e6e6fa

Blue #0000ff

Dark Blue #00008b

Ghost White #f8f8ff

Frequently asked questions

#133aff (#133aff) is rgb(19, 58, 255) in RGB.

No, #133aff 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 #133aff, or check how it holds up for accessibility.

Generate a palette → Check contrast