#1255d5

Color #1255d5

A vivid, highly saturated medium blue.

Closest named color Royal Blue #4169e1 · ΔE 10.28 Nearest Tailwind class blue-700 #1447e6 · ΔE 5

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

Conversions

HEX

#1255d5

RGB

rgb(18, 85, 213)

HSL

hsl(219.4, 84.4%, 45.3%)

HSV / HSB

hsv(219.4, 91.5%, 83.5%)

CMYK

cmyk(91.5%, 60.1%, 0%, 16.5%)

LAB

lab(40.29, 30.56, -70.76)

LCH

lch(40.29, 77.08, 293.36)

OKLCH

oklch(49.6%, 0.2071, 261.87)

HWB

hwb(219.4, 7.1%, 16.5%)

Harmony colors

Complementary

#d59212

Analogous

#12b6d5

#1255d5

#3112d5

Triadic

#1255d5

#d51255

#55d512

Split-complementary

#1255d5

#d53112

#b6d512

Tetradic

#1255d5

#9212d5

#d59212

#55d512

Square

#1255d5

#d512b6

#d59212

#12d531

Shades

Color #1255d5 mixed toward black.

#0f47b2

#0c398e

#092a6b

#061c47

#030e24

Tints

Color #1255d5 mixed toward white.

#296ced

#5489f0

#7ea7f4

#a9c4f8

#d4e2fb

Tones

Color #1255d5 mixed toward gray.

#225ac5

#335fb5

#4364a4

#536994

#636e84

Accessibility

Aa White text on this color

6.39:1

Aa Black text on this color

3.29:1

White text reads better on this background (6.39:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#3a3bc0 · ΔE 9.1

Deuteranopia

#3732ba · ΔE 11.3

Tritanopia

#1aada8 · ΔE 42.6

Achromatopsia

#5f5f5f · ΔE 28.2

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

Code

CSS

background-color: #1255d5;

Tailwind (arbitrary value)

bg-[#1255d5]

Related colors

Cornflower Blue #6495ed

Light Steel Blue #b0c4de

Royal Blue #4169e1

Light Slate Gray #778899

Slate Gray #708090

Dodger Blue #1e90ff

Frequently asked questions

#1255d5 (#1255d5) is rgb(18, 85, 213) in RGB.

No, #1255d5 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 #1255d5, or check how it holds up for accessibility.

Generate a palette → Check contrast