#133df7

Color #133df7

A vivid, highly saturated medium blue.

Closest named color Medium Blue #0000cd · ΔE 16.58 Nearest Tailwind class blue-700 #1447e6 · ΔE 3.1

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

Conversions

HEX

#133df7

RGB

rgb(19, 61, 247)

HSL

hsl(228.9, 93.4%, 52.2%)

HSV / HSB

hsv(228.9, 92.3%, 96.9%)

CMYK

cmyk(92.3%, 75.3%, 0%, 3.1%)

LAB

lab(38.18, 57.38, -93.56)

LCH

lch(38.18, 109.75, 301.52)

OKLCH

oklch(49.1%, 0.2724, 265.03)

HWB

hwb(228.9, 7.5%, 3.1%)

Harmony colors

Complementary

#f7cd13

Analogous

#13aff7

#133df7

#5b13f7

Triadic

#133df7

#f7133d

#3df713

Split-complementary

#133df7

#f75b13

#aff713

Tetradic

#133df7

#cd13f7

#f7cd13

#3df713

Square

#133df7

#f713af

#f7cd13

#13f75b

Shades

Color #133df7 mixed toward black.

#072ed7

#0625ac

#041b81

#031256

#01092b

Tints

Color #133df7 mixed toward white.

#3b5ef8

#627efa

#899efb

#b0befc

#d8dffe

Tones

Color #133df7 mixed toward gray.

#2649e4

#3955d1

#4c61be

#5f6dab

#727998

Accessibility

Aa White text on this color

6.91:1

Aa Black text on this color

3.04:1

White text reads better on this background (6.91:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#2b2bdc · ΔE 5.4

Deuteranopia

#2825d5 · ΔE 6.9

Tritanopia

#17c3bd · ΔE 51.1

Achromatopsia

#5a5a5a · ΔE 31.6

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

Code

CSS

background-color: #133df7;

Tailwind (arbitrary value)

bg-[#133df7]

Related colors

Royal Blue #4169e1

Cornflower Blue #6495ed

Navy #000080

Lavender #e6e6fa

Blue #0000ff

Dark Blue #00008b

Frequently asked questions

#133df7 (#133df7) is rgb(19, 61, 247) in RGB.

No, #133df7 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 #133df7, or check how it holds up for accessibility.

Generate a palette → Check contrast