#1553cf

Color #1553cf

A vivid, highly saturated medium blue.

Closest named color Royal Blue #4169e1 · ΔE 9.86 Nearest Tailwind class blue-700 #1447e6 · ΔE 5

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Conversions

HEX

#1553cf

RGB

rgb(21, 83, 207)

HSL

hsl(220, 81.6%, 44.7%)

HSV / HSB

hsv(220, 89.9%, 81.2%)

CMYK

cmyk(89.9%, 59.9%, 0%, 18.8%)

LAB

lab(39.33, 29.68, -68.89)

LCH

lch(39.33, 75.01, 293.31)

OKLCH

oklch(48.8%, 0.2014, 262.15)

HWB

hwb(220, 8.2%, 18.8%)

Harmony colors

Complementary

#cf9115

Analogous

#15b0cf

#1553cf

#3415cf

Triadic

#1553cf

#cf1553

#53cf15

Split-complementary

#1553cf

#cf3415

#b0cf15

Tetradic

#1553cf

#9115cf

#cf9115

#53cf15

Square

#1553cf

#cf15b0

#cf9115

#15cf34

Shades

Color #1553cf mixed toward black.

#1145ac

#0e378a

#0a2967

#071c45

#030e22

Tints

Color #1553cf mixed toward white.

#2a6ae9

#5487ee

#7fa5f2

#aac3f6

#d4e1fb

Tones

Color #1553cf mixed toward gray.

#2458bf

#345db0

#4362a0

#536891

#626d81

Accessibility

Aa White text on this color

6.62:1

Aa Black text on this color

3.17:1

White text reads better on this background (6.62:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#3a3aba · ΔE 8.9

Deuteranopia

#3631b5 · ΔE 11.1

Tritanopia

#1ca8a3 · ΔE 42.1

Achromatopsia

#5d5d5d · ΔE 27.9

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

Code

CSS

background-color: #1553cf;

Tailwind (arbitrary value)

bg-[#1553cf]

Related colors

Cornflower Blue #6495ed

Royal Blue #4169e1

Light Steel Blue #b0c4de

Light Slate Gray #778899

Slate Gray #708090

Dodger Blue #1e90ff

Frequently asked questions

#1553cf (#1553cf) is rgb(21, 83, 207) in RGB.

No, #1553cf 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 #1553cf, or check how it holds up for accessibility.

Generate a palette → Check contrast