#257aff

Color #257aff

A vivid, highly saturated medium blue.

Closest named color Royal Blue #4169e1 · ΔE 9.75 Nearest Tailwind class blue-500 #2b7fff · ΔE 1.7

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

Conversions

HEX

#257aff

RGB

rgb(37, 122, 255)

HSL

hsl(216.6, 100%, 57.3%)

HSV / HSB

hsv(216.6, 85.5%, 100%)

CMYK

cmyk(85.5%, 52.2%, 0%, 0%)

LAB

lab(53.52, 23.93, -72.83)

LCH

lch(53.52, 76.66, 288.19)

OKLCH

oklch(60.7%, 0.2136, 259.7)

HWB

hwb(216.6, 14.5%, 0%)

Harmony colors

Complementary

#ffaa25

Analogous

#25e7ff

#257aff

#3d25ff

Triadic

#257aff

#ff257a

#7aff25

Split-complementary

#257aff

#ff3d25

#e7ff25

Tetradic

#257aff

#aa25ff

#ffaa25

#7aff25

Square

#257aff

#ff25e7

#ffaa25

#25ff3d

Shades

Color #257aff mixed toward black.

#005ff4

#004cc3

#003992

#002661

#001331

Tints

Color #257aff mixed toward white.

#4a90ff

#6ea6ff

#92bdff

#b6d3ff

#dbe9ff

Tones

Color #257aff mixed toward gray.

#377eed

#4a82db

#5c86c9

#6e8ab6

#808ea4

Accessibility

Aa White text on this color

3.96:1

Aa Black text on this color

5.31:1

Black text reads better on this background (5.31:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#5757e8 · ΔE 13.6

Deuteranopia

#524ce2 · ΔE 16.6

Tritanopia

#2ed3ce · ΔE 40.1

Achromatopsia

#808080 · ΔE 28.1

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

Code

CSS

background-color: #257aff;

Tailwind (arbitrary value)

bg-[#257aff]

Related colors

Cornflower Blue #6495ed

Light Steel Blue #b0c4de

Light Slate Gray #778899

Slate Gray #708090

Dodger Blue #1e90ff

Royal Blue #4169e1

Frequently asked questions

#257aff (#257aff) is rgb(37, 122, 255) in RGB.

No, #257aff 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 #257aff, or check how it holds up for accessibility.

Generate a palette → Check contrast